COMMSCOPE TC-1572-IP All In One Cabinet Installation Guide

: August 5, 2024
: CommScope

Table of Contents

TC-1572-IP All In One Cabinet
Specifications
Product Usage Instructions
1. Overview and Specifications
1.1 Reference Documents and Manuals
1.2 Cabinet Weights
1.3 MSO All-In-One Cabinet Rack Unit Configurations
1.4 Field Replacement Units (FRU) and Aftermarket Kits
1.5 Cabinet Views
1.6 Door View Examples
- FAQ – Frequently Asked Questions
Q: Can I mount the cabinet with batteries on a pole or
Q: Can I mix battery types from different manufacturers?
Q: What should I do if I need to replace specific parts?

TC-1572-IP All In One Cabinet

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Specifications

Model: MSO ALL-IN-ONE CABINET
Weight (Cabinet Only): 551 lbs. (250 Kgs)
Weight (With Equipment): 1015 lbs. (507 Kgs)
Rack Unit Configurations: 0RU, 7 or 8RU
Cooling Type: Thermosiphon

Product Usage Instructions

1. Overview and Specifications

This guide provides instructions on how to install the MSO
All-In-One Cabinet onto a concrete pad or below-grade vault and
battery installation.

1.1 Reference Documents and Manuals

Make sure to have the provided documents with the cabinet at
hand during installation and refer to them as needed.

1.2 Cabinet Weights

The cabinet weighs approximately 551 lbs. without equipment and
1015 lbs. with equipment installed. The rack unit configurations
are 0RU, 7 or 8RU.

1.3 MSO All-In-One Cabinet Rack Unit Configurations

Refer to Table A for the RU space allocated to the cabinet based
on the number of battery strings and equipment installation.

1.4 Field Replacement Units (FRU) and Aftermarket Kits

(AMK)

Table B lists the FRU and AMK items available for replacements
and additional installations.

1.5 Cabinet Views

The cabinet features sliders for nodes, a power supply drawer, a
thermosiphon, and a slidable battery compartment. Refer to Figure 4
for a right-side view example.

1.6 Door View Examples

Refer to the provided manual for cooling configurations and
connections for the power, alarm, and network settings.

FAQ – Frequently Asked Questions

Q: Can I mount the cabinet with batteries on a pole or

wall?

A: Mounting the cabinet with batteries on a pole or wall is
limited to two battery strings for the MSO All-In-One Cabinet
only.

Q: Can I mix battery types from different manufacturers?

A: No, all batteries in the cabinet must be of the same type and
from the same manufacturer to ensure proper functionality.

Q: What should I do if I need to replace specific parts?

A: Refer to Table B for the list of Field Replacement Units
(FRU) and Aftermarket Kits (AMK) available for replacements.

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TC-1572-IP Rev B, issue 01, July 2024 www.commscope.com

Installation Instructions
MSO ALL-IN-ONE CABINET

660105992 Rev. B

MSO AIO Cabinet
Page 1 of 29 © 2024 CommScope, Inc. All Rights Reserved

Safety Agency Statements and Safety Precautions
Safety Agency Statements:
· Only qualified personnel are to install and maintain the cabinet. · Install cabinet within a restricted access location where access is by use of a tool, lock and key or other means of
security; and controlled by the authority responsible for the location. · The cabinet is only suitable for mounting on a concrete or other noncombustible surface. · Maximum ambient temperature (Tma) of 46º C (115º F) permitted by manufacturer specification. · All conduit hubs must be of Type 3R or equivalent to maintain the cabinet as Rainproof. · It is essential to connect the cabinet to earth ground before connecting supply, high leakage current. · All cabinet equipment cabling is to meet applicable NEC1 and network communications standards.
Safety Precautions:
Note: In areas that utilize joint buried plant, and per company practice, test and verify that voltage is not present on the cable shield. If voltage is present on the shield, stop work and notify supervision. · Follow all product warnings and instructions as specified in this document, cabinet and equipment labels inside the
cabinet to reduce risk of fire, electric shock, and injury. · Install all equipment and supplied hardware as specified in this document.
— Install only approved devices in the cabinet and do not drill, saw, or cut inside the cabinet. — Never install cable, connectors, jacks in a wet location unless designed for wet locations. — Never install electrical equipment during a thunderstorm, there is risk of electric shock. — Never touch uninsulated live power wires or terminals, always disconnect from power first. — It is mandatory to use insulated tools using power and hand tools. · Do not transport or lift cabinet with the batteries installed, or store batteries inside cabinet. · All personnel must wear standard safety headgear, eye protection, and insulated gloves (if required). · At all times, keep bystanders away from all work operations.
Warning:
Do not drill or punch any holes in the cabinet. Use only the provided knockouts in the cabinet for cable ingress and cable egress. Drilling or punching holes in any other location will immediately void the warranty. No exemptions. 1 Registered trademark of the National Fire Protection Association.
Page 2 of 29 © 2024 CommScope, Inc. All Rights Reserved

Contents
1 Overview and Specifications……………………………………………………………………………………………………………………………………………………………….4 1.1 Reference Documents and Manuals ……………………………………………………………………………………………………………………………………………………………………………………………4 1.2 Cabinet Weights (approximate) …………………………………………………………………………………………………………………………………………………………………………………………………..4 1.3 MSO All-In-One Cabinet Rack Unit (RU) Configurations ……………………………………………………………………………………………………………………………………………………………4 1.4 Field Replacement Units (FRU) and Aftermarket Kits (AMK) ………………………………………………………………………………………………………………………………………………………4 1.5 Cabinet Views ……………………………………………………………………………………………………………………………………………………………………………………………………………………………….5 1.6 Door View Examples with Thermosiphon and Air Conditioner Units ……………………………………………………………………………………………………………………………………….6 1.7 Door Clearances …………………………………………………………………………………………………………………………………………………………………………………………………………………………..7 1.8 Rear Panel Removal and Installation …………………………………………………………………………………………………………………………………………………………………………………………..8 1.9 Door Intrusion Alarm Switch ………………………………………………………………………………………………………………………………………………………………………………………………………..8 2 CMC Cabinet Concrete Pad Installation……………………………………………………………………………………………………………………………………………….8 2.1 Remove Packaging, Prepare Cabinet for Installation …………………………………………………………………………………………………………………………………………………………………8 2.2 Before Starting Installation …………………………………………………………………………………………………………………………………………………………………………………………………………..9 2.2.1 Installing a Support Base: …………………………………………………………………………………………………………………………………………………………………………………………………………….9 2.2.2 Mounting the Cabinet: …………………………………………………………………………………………………………………………………………………………………………………………………………………9 2.2.3 Splitter Installation: ……………………………………………………………………………………………………………………………………………………………………………………………………………………….9 2.2.4 Splitter Output Fiber Connections: ……………………………………………………………………………………………………………………………………………………………………………………………..9 2.2.5 Unpacking and Inspection: ……………………………………………………………………………………………………………………………………………………………………………………………………….. 10 2.2.6 Outdoor Cabinet Installation Hardware: …………………………………………………………………………………………………………………………………………………………………………………… 10 2.2.7 OSP Cable and Cabinet Grounding Cables: …………………………………………………………………………………………………………………………………………………………………………….. 10 2.2.8 Tools and Materials Required for Installation: …………………………………………………………………………………………………………………………………………………………………………… 10 2.2.9 Cabinet Mounting: ………………………………………………………………………………………………………………………………………………………………………………………………………………………11 2.3 Remove Pad Gasket from Cabinet and Prepare Pad …………………………………………………………………………………………………………………………………………………………………11 2.4 Place Cabinet onto Concrete Pad or Steel Structure ………………………………………………………………………………………………………………………………………………………………. 12 2.5 Alternate Mounting on a Steel Frame ………………………………………………………………………………………………………………………………………………………………………………………. 12 2.6 Fasten Cabinet to Concrete Pad or Vault …………………………………………………………………………………………………………………………………………………………………………………. 16 2.7 Route and Connect Cables ……………………………………………………………………………………………………………………………………………………………………………………………………….. 17 2.8 Mounting The Cabinet On A Vault, or Fiberglass Sleeve ………………………………………………………………………………………………………………………………………………………… 17 2.9 Connect Cabinet to Main Earth Ground …………………………………………………………………………………………………………………………………………………………………………………. 20 2.10 Connect Cabinet to Outgoing Office Alarms ………………………………………………………………………………………………………………………………………………………………………….. 20 2.11 MSO AIO Cabinet Node Installation ………………………………………………………………………………………………………………………………………………………………………………………… 20 2.12 Connect Cabinet to Main Power Source, Turn-up ………………………………………………………………………………………………………………………………………………………………….. 24 3 Cabinet Battery Installation………………………………………………………………………………………………………………………………………………………………25 3.1 Battery Safety Recommendations ……………………………………………………………………………………………………………………………………………………………………………………………. 25 3.2 Required Tools …………………………………………………………………………………………………………………………………………………………………………………………………………………………… 26 3.3 Recommended Battery Dimensions and Battery Tray Configurations …………………………………………………………………………………………………………………………………… 26 3.4 Maximum Battery Dimensions …………………………………………………………………………………………………………………………………………………………………………………………………. 26 3.5 7RU or 8RU Battery Tray Spacing Options Battery Recommendations ……………………………………………………………………………………………………………………………… 26 3.6 Battery Voltage and Battery Supply Resistance ………………………………………………………………………………………………………………………………………………………………………. 26 3.7 Battery System Resistance and Short Circuit Current Calculation …………………………………………………………………………………………………………………………………………. 26 3.8 Battery Installation …………………………………………………………………………………………………………………………………………………………………………………………………………………….. 27 3.8.1 Cabinet Preparation Prior to Installation, VRLA ………………………………………………………………………………………………………………………………………………………………………. 27 3.8.2 VRLA Battery Installation ………………………………………………………………………………………………………………………………………………………………………………………………………….. 27 4 Disclaimer ………………………………………………………………………………………………………………………………………………………………………………………..29 5 Contact Information …………………………………………………………………………………………………………………………………………………………………………29
Page 3 of 29 © 2024 CommScope, Inc. All Rights Reserved

1

Overview and Specifications

This guide provides instruction on how to install a MSO All-In-One Cabinet onto a concrete pad, or below grade vault and battery installation.

Common Features · All cabinets have same mounting footprint – Figure 17 & 22 · Door with padlock, open/close turn-latches · LED light and door intrusion switches – Figure 9 · With thermosiphon – Figure 6 · Ground bar (8-pos) – Figure 27 · Convenience outlet, GFCI (20 A) · Optional 7RU or 8RU compartment divider and door baffle – Figure 3 · Large format allows only 23-inch rack mounting · Main earth ground lugs, bottom rear – Figure 27 · Rear access panel with open/close turn-latches and padlocks and environmental vents – Figure 2 · Side wall, rear, and floor knockouts for cable ingress/egress – Figure 2

1.1 Reference Documents and Manuals
Make sure to have these documents provided with the cabinet in hand at time of installation and refer to them as needed.

· Installation Guide This document · Equipment Manuals Vendor manuals pertaining to equipment installed in the cabinet, such as a power system.

1.2 Cabinet Weights (approximate)
MSO All-In-One Cabinet · Empty Max Weight (no batteries, with or without equipment): 551 lbs. (250 Kgs) · Weight with Pallet (no batteries): 700 lbs. (350 Kgs) · Cabinet Weight with Batteries (after installation): See A, page 4

1.3 MSO All-In-One Cabinet Rack Unit (RU) Configurations
Table A shows RU space allocated to a cabinet based on number of battery strings with remaining RU space dedicated to cabinet equipment. Note 1: The bottom two battery shelves for MSO All-In-One Cabinet are adjustable from 7 or 8R. Note 2: All batteries must be of the same type and from same manufacturer. Do not mix battery types from different manufacturers. Pole or wall / H-frame mounting a cabinet with batteries is limited to two battery strings: MSO All- In-One Cabinet only.

Table A: Rack Unit Configurations per Number of Cabinet Battery Strings

Cabinet

No. of Battery Strings

Cabinet Weight After Battery Installation, with or without
Equipment (see Note)

Max No. of Battery String
RUs

MSO AIO

0

Cabinet

1

551 lbs. (250 Kgs) 1015 lbs. (507 Kgs)

0RU 7 or 8RU

Max No. of Equipment RUs
(see Note)
21RU
7 or 8RU

Cooling Type Thermosiphon

Note: Based on an average VRLA battery weight of 116 lbs. at 464 lbs. for one string of batteries plus weight of cabinet with or without equipment before battery installation. Amount of available total RUs will vary in relation to equipment installed in the cabinet.

1.4 Field Replacement Units (FRU) and Aftermarket Kits (AMK)

Table B: FRU and AMK List

Item

Material ID

Description

1

760242232

FRU, Equipment Back Panel

2

760242240

FRU, Solar Shield

3

760242242

FRU, Inner Loop Fan, CMC HEX Thermosiphon, T1

4

760242243

FRU, Outer Loop Fan, CMC HEX Thermosiphon, T1

5

760242250

AMK, Pole Mount Kit

6

860666524

FRU, AIO-PLINTH-BASE

7

860666758

FRU, 48F Feeder Cable with LC/APC connectors

8

860666757

FRU, 288F Distribution cable LC/APC connectors

1.5 Cabinet Views

41″ (1041 mm) 46.5″ (1182 mm)
Figure 1. Front Views MSO AIO Cabinet Example

48″ (1219 mm)
46.8″ (1190 mm)

Figure 2. Left, Rear, and Right Views MSO AIO Cabinet Example

27.4″ (696 mm) 34.6″ (878 mm)

Sliders for nodes
Power supply drawer

Thermosiphon

Slidable battery compartment
Figure 3: Compartment Views MSO AIO Cabinet Example
Page 5 of 29 © 2024 CommScope, Inc. All Rights Reserved

Figure 4. Right Side Views with Optional 100Amp AC Load Center, MSO AIO Cabinet Example

Solar shield

Equipment compartment

4x Ø1.74 knockout

Solar shield bracket mount

Thermosiphon

Lifting eyebolt

Figure 5. Equipment Cabinet with Solar Shield On or Off MSO AIO Cabinet Example

1.6 Door View Examples with Thermosiphon and Air Conditioner Units
Note: See Table A for MSO AIO Cabinet cooling configurations and cooling unit manual provided with the cabinet for power, alarm, and network connections, operation, settings, and maintenance.

Door with Thermosiphon (T1-T3) A thermosiphon (Figure 6) lowers the inside cabinet temperature by means of a refrigerant liquid that absorbs heat from the interior heat exchanger of the unit and converts it to a gas. This exchange allows the gas to move into the exterior heat exchanger where it is converted back into a liquid that delivers heat out to exterior air.

· All units have a DC power input and alarm output terminal block and RJ45 ports.

Door with Air Conditioner: DC Power (D1-D7) A MSO AIO Cabinet may utilize a DC unit per cabinet configuration and operating requirements defined by customer, Table A.

· All units have power input and alarm terminal blocks, I/O and RJ45 ports, and an interface display.

Figure 6. MSO AIO Cabinet Door Examples with Thermosiphon Units T1 per Table A

1.7 Door Clearances
Note: Figure 7 shows AC load center on cabinet right side to clarify door clearances. Optional AC load center can be mounted per customer request on either side. However, AC load center should not be installed on the left side for wall / H-frame mounting.

Back-to Front and Side-to-Side Dimensions, Door Open at 90 and 110

A

Back-to-Front, Door 90 : 53.6″ (1362 mm)

B

Side-to-Side, Door 90 : 34″ (864 mm), HM0150 Thermosiphon (T1)

C

Back-to-Front, Door 110 : 51.9″ (1318 mm)

D

Side-to-Side, Door 110 : 42″ (1067 mm), HM0150 Thermosiphon (T1)

Set rear of cabinet a

minimum of 8″ from

18″

wall structure

(457 mm)

Door open at 90° and 110°

Back-to-Front A

C

Back-to-Front

Door open at 90° and 110°

B

Side-to-side

D

Side-to-side

Figure 7. Top View, Door at 90º and 110º for MSO AIO Cabinet

1.8 Rear Panel Removal and Installation
Prior to panel removal or installation, use door key (Figure 10) that ships with cabinet to open or close 1/4-turn latches when removing or installing a panel, Figure 8. Note: Rear panel has ground cable attached on the inside of the panel. Removal and Installation · Removal
— Turn panel latches to open position and pull out top of panel first; then tilt panel out and pull up on panel to remove the panel from the opening. — To remove the panel from the cabinet, disconnect ground cable from the green connector shown in Figure 8.
Prior to replacing the panel, make sure to reconnect ground cable to green connector. · Installation
— Tilt panel bottom in and insert bottom into cabinet, press into panel and close latches.
Figure 8. Rear Access Panel Removal and Installation, Ground Cable Disconnect
1.9 Door Intrusion Alarm Switch
The light and door intrusion switches are on the top left corner of the doorframe inside the cabinet. Connect the door alarm as required to an alarm center, Figure 9.
Figure 9. Light and Door Intrusion Switches
2 CMC Cabinet Concrete Pad Installation
2.1 Remove Packaging, Prepare Cabinet for Installation
Caution: Observe the following to prevent damage to the cabinet. · Do not accept the cabinet from the shipper if the packaging appears damaged. · Only remove the packaging and pallet at the installation site. · Properly strap cabinet to a truck or trailer to prevent shifting, and always transport and store cabinet in an upright
position.
Page 8 of 29 © 2024 CommScope, Inc. All Rights Reserved

· If using a dolly, make sure a side of the cabinet without a removable panel faces the dolly. Do not tilt the cabinet more than 30º from vertical when moving the cabinet.
· Use a forklift or the cabinet lifting brackets to raise and move the cabinet. Make sure the forklift tines are at least four feet long and check for correct installation of the cabinet lifting brackets beforehand.
· Do not remove the cabinet from pallet and open the door, cabinet tip-over may occur causing injury to field personnel.

To prepare cabinet for installation: 1. Remove all shipping material and the door key from the cabinet.

Note: Activate a low power heat source (a 60 W light) for humidity control if you do not place cabinet in service after installation.

2. Open door with door key, remove the installation kit, and close the door, Figure 3.

Note: Retain the pad gasket set between pallet and cabinet (required installation), Figure 13.

Table C: MSO AIO Cabinet Installation Kit (860463686)

Item

Qty

1

8

3/8″ SS Flat Washer

2

8

3/8″ SS Split Lockwasher

3

8

3/8″ SS Hex head bolt

Description

Figure 10. Cabinet Door Key
2.2 Before Starting Installation
This section provides general installation considerations, unpacking and inspection procedures, and lists the tools and materials required for cabinet installation. Installation Overview: Installation of MSO All-In-One Cabinet involves the following main tasks: 2.2.1 Installing a Support Base: The cabinet must be mounted on a suitable support base. The following two mounting options are available: · Fiberglass Mounting Sleeve (FMS) The FMS is a rectangular sleeve that mounts in the ground. The FMS provides a
stable mounting platform plus storage space under the cabinet for OSP cable slack. The FMS may also be used as a splicing vault for OSP cables. · Poured Concrete Pad Concrete slab with Pad Mounting Frame (PMF). The PMF is a stainless-steel frame that is embedded in the concrete during installation of the slab. The cabinet attaches to the PMF which holds it securely to the slab. 2.2.2 Mounting the Cabinet: After the support base is installed, the cabinet must be secured to the support base. The OSP feeder and distribution cables must be uncoiled and routed to a separate splice enclosure (not provided) before the cabinet is secured to the support base. 2.2.3 Splitter Installation: The cabinet is fully populated with 1:64 optical splitters. If additional splitters are required, they must be ordered separately. All splitter modules that are ordered separately must be installed in the splitter compartment and the input connectors must be mated with the terminated feeder cable fibers. 2.2.4 Splitter Output Fiber Connections: Service is enabled by connecting the splitter output fiber connectors to the subscriber distribution ports. Unused output fibers are temporarily “parked” in the storage panel until they are needed for service.
Page 9 of 29 © 2024 CommScope, Inc. All Rights Reserved

2.2.5 Unpacking and Inspection: This section provides instructions for opening the shipping boxes, verifying that all parts have been received and verifying that no shipping damage has occurred.

Use the following procedures to unpack and inspect the cabinet and all accessories: 1. Open the shipping carton(s) and carefully unpack the cabinet and any accessories from the protective packing material. 2. Open the cabinet doors (requires 216B key tool) and check for missing ship-along parts (see installation drawing included
with cabinet) or broken parts. If there are damages, contact CommScope for an RMA (Return Material Authorization) and to reorder if replacement is required.

2.2.6 Outdoor Cabinet Installation Hardware: The outdoor cabinet is shipped with various parts (see Table D) for securing the cabinet to the FMS or PMF. Verify that the parts specified are received.

Table D. Cabinet Installation Hardware

Item

Qty

3/8 x 1-inch hex head cap screws

8

3/8-inch flat washers

8

3/8-inch lock washers

8

Isolation gasket

1

2.2.7 OSP Cable and Cabinet Grounding Cables: The cabinet is equipped with a common grounding block that is used to tie together all the components of the cabinet that must be grounded. The cabinet itself and any OSP cables with metallic strength members must be connected to an earth ground source. Information on grounding is provided in the sections that cover cabinet mounting.

2.2.8 Tools and Materials Required for Installation:
All Cabinet Installations · Hammer · Wire cutter · Utility knife · Screwdriver (flat blade) · Tape measure · Pen or marker · 216B key tool (accessory – required to open cabinet door) · Padlock (optional) · Grounding system, copper wire, and grounding clamp (per local requirements) · Splicing equipment for splicing OSP feeder and distribution cables · One large tweezers or two small flat-bladed screwdrivers · Lifting equipment for hoisting the cabinet into position for mounting

Fiberglass Mounting Sleeve Installation · Fiberglass Mounting Sleeve kit (FMS- FD3J-KIT-A) · 9/16-inch wrench · Security key (accessory – required to remove lifting eyes) · Excavation and earth moving equipment · Stone aggregate · Tamping equipment · Level · Hole saw and drill (use to cut holes for cable conduit if pre-drilled holes are not usable) · Landscaping equipment and site restoration supplies

Concrete Pad Installation · Pad Mount Frame kit · 9/16-inch wrench · Security key (accessory – required to remove lifting eyes) · Excavation and earth moving equipment · Concrete finishing equipment · Approximately 11.5 cu. ft. concrete · Sand or gravel · Tamping equipment · 2 x 6-inch framing lumber · 1 x 4-inch wooden stakes (4)

· Nails and construction screws · Utility wire (to secure PMF during installation) · Saw · Drill with screwdriver bits · Square · Level · Landscaping equipment and site restoration supplies
2.2.9 Cabinet Mounting: The next two sections provide installation instructions for the mounting the cabinet on either an below grade vault or a concrete pad. Use whichever procedure is appropriate for the installation.
2.3 Remove Pad Gasket from Cabinet and Prepare Pad

Caution: · Do not install batteries in cabinet prior to cabinet installation on pad (structure). · Install cabinet on a pad six inches above the grade to prevent water intrusion and install all cable connections, including
ground cable, above the pad (structure).

To remove pad gasket: 1. Open the door and rear panel to locate and remove pallet bolts (six places) from front and rear corners on cabinet floor
or base of plinth; Figure 11. · Pad gasket is between the cabinet floor or base of plinth on pallet. Use pad gasket as a template to drill anchor holes
into the concrete; Figure 11, & 13. 2. Remove solar shield to reveal the four eye bolts on the cabinet top, Figure 12.
· Unscrew the M6-12 cap screws, lift solar shield and slide it back to release from cabinet. 3. Close door and lift cabinet with appropriate lifting device to remove gasket, reset cabinet onto pallet.

Note: If routing cable through pad (structure), remove floor knockouts (punch outside to inside) before installing cabinet; Figure 13.

Cabinet with Plinth
Pad gasket between plinth base and pallet

Lift solar shield and slide back to release.
Solar shield bracket

Front eye bolt
M6-12 socket head cap screw, 2ea.

Cabinet floor

Plinth

Figure 11. Pad Gasket Removal from Pallet

Figure 12. Solar Shield Removal
39.54″ (1004 mm)
Rear

Pad gasket (template)

Gasket Cutout

26.23″ (666 mm)

Front
= Pallet bolt and anchor hole locations on cabinet floor
Figure 13. Gasket (Template) Required Between Cabinet and Pad or Vault
Page 11 of 29 © 2024 CommScope, Inc. All Rights Reserved

To prepare the pad: 1. Place gasket (template) onto pad in location where cabinet will be installed and mark front and rear anchor locations
per Figure 13. 2. Do the following:
a. Drill six holes using the correct diameter drill bit to fit anchors in place, and to correct depth. b. Remove drilling debris with a blowout bulb or compressed air, then clean pad of dirt and debris for proper cabinet
leveling.
Figure 14. Drill Anchor Holes and Remove Debris
2.4 Place Cabinet onto Concrete Pad or Steel Structure
Caution: · Verify all anchor holes are in correct position before putting cabinet onto concrete pad; or if on a steel structure, verify
proper position and alignment per structure footprint. · Use an appropriate lifting device to place cabinet onto pad or structure. · Do not install batteries in cabinet or lift cabinet with batteries prior to cabinet pad installation. To lift and position cabinet onto a concrete pad or steel structure: 1. Remove cabinet rear panel and use all four eyebolts to lift the cabinet, Figure 15 2. Attach four slings of sufficient length for safe operation to boom line with a B connecting link or clevis and fasten other
ends of slings to each eyebolt with a B connecting link or clevis, Figure 15.
Figure 15. Attach Slings to the Boom Line and Cabinet Eyebolts 3. With cabinet suspended, open the door and align floor holes to pad anchors, setting cabinet onto gasket; Figure 17
without plinth, Figure 18 with plinth. Note: If routing cable through pad (structure), remove floor knockouts before placing cabinet onto gasket; Figure 13, Figure 16, Figure 17 and Figure 24.
2.5 Alternate Mounting on a Steel Frame
The Pad Mount Frame (MID; 760255236 | KIT, FRAME, AIO), shown in Figure 16, is a stainless-steel frame that provides a mounting base for the cabinet when embedded in a concrete foundation.
Caution: Mounting the cabinet directly on a concrete pad may cause chemical corrosive action to the cabinet. Use only the Pad Mount Frame (PMF) as a mounting base for the cabinet. Do not use caulking compounds as a sealer between the cabinet and the PMF.
Page 12 of 29 © 2024 CommScope, Inc. All Rights Reserved

5.50″ (139 mm)

(100349.m54m” )

(2666.263m” m)

Figure 16. Pad Mount Frame Dimensions

Installation Recommendations: · The site chosen for the installation must conform to all local codes and any permits required must be obtained prior to
the start of installation. · The location must be accessible and provide adequate parking for worker and vehicle safety. · Situate the concrete pad close to the trench that was used for routing the OSP fiber cables for the network distribution
system. · The installed cabinet must not create a visual or physical obstruction to vehicular or pedestrian traffic. · Ensure that there is sufficient space on all sides to facilitate cabinet installation. · Depending on the landscaping requirements, the top surface of the concrete pad may be located from 0 to 3 inches (7.6
cm) above the surrounding grade.

Base Construction and Conduit Installation: · Prepare a base for the concrete pad that meets all local code requirements. · The base must have a footing of 4 to 6 inches (10.2 to 15.2 cm) of sand or gravel (per local practice) on firmly compacted
soil. · Refer to the construction diagram in Figure 17 for details. · Install the cable conduit from below and position it so that the top of each upward bend will be located within the PMF
opening at the indicated point. · When installed, the top of the conduit should be located 1 to 2 inches (2.54 to 5.08 cm) below the top of the finished
concrete pad. · Install the conduit before pouring the pad.

Figure 17. Example of Cabinet Installation with 4-Inch Plinth on a Concrete Pad
Page 13 of 29 © 2024 CommScope, Inc. All Rights Reserved

· A template is provided with the cabinet isolation gasket. · The template may be used to determine the cable conduit locations. · Place the template over the top of the PMF and align the top right corner of the template with the top right corner of the
PMF as shown in Figure 18. · The holes punched in the template show the locations for the conduit within the PMF.
ALIGN EDGES OF TEMPLATE WITH EDGES OF PMF
PLACE CARDBOARD TEMPLATE OVER TOP OF PMF
CUT-OUT INDICATES LOCATION OF CABLE CONDUITS FRONT
Figure 18. Using the Template To Determine Duct Location Within the PMF Concrete Pad Construction: Use the following procedure to construct the concrete pad: 1. Build a wood form for the concrete pad using 2 x 6 framing lumber as shown in Figure 19. 2. Locate the PMF as shown in the construction diagram (see Figure 17). When installed, the top surface of the PMF must be
flush and level with the top of the concrete pad. Note: Use temporary top framing to keep the top surface of the PMF flush and level with the top of the concrete pad (see Figure 19). 3. Place reinforcing material inside the form but outside of the PMF. 4. Verify that the PMF and form are level. Depending on the landscaping requirements, the top surface of the concrete pad
may be 0 to 3 inches (0 to 7.6 cm) above the final grade. The weld nuts are covered with plugs which must be left in place until the enclosure is mounted.
Figure 19. Concrete Pad Framing 5. Pour the concrete to form the pad but do not pour concrete into the center area of the PMF. Note: Allow some concrete to flow under the flanges on the bottom of the PMF so the PMF will be locked in place when the concrete hardens. However, do not allow concrete to fill the center of the PMF. If necessary, partially fill the center of the PMF with sand or gravel to prevent an inflow of concrete. 6. Remove the top framing and the temporary support wires when the concrete is ready to be finished. 7. Allow concrete to cure before proceeding with the installation. Grounding System Installation: Install a grounding system (not provided) that meets all local electrical codes. Check local codes for grounding system installation, use of clamps, wire size, and any other grounding requirements. Typically, #6 AWG copper wire is used for the ground wire. If the grounding system includes a ground rod, install the rod (see Figure 17) within the PMF opening at the indicated point. When installed, the top of the rod should be located 1 to 2 inches (2.54 to 5.08 cm) below the top of the finished concrete pad. Leave sufficient slack in the grounding wire to allow it to be routed into the cabinet after the cabinet is mounted on the pad.
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Mounting the Cabinet on the Concrete Pad: Use the 216B key tool to un-latch and latch the cabinet doors as needed during the mounting process. Refer to Figure 20 as necessary when mounting the cabinet.
Warning: Mounting the cabinet directly on a concrete pad may cause chemical corrosive action to the cabinet. Use only the Pad Mount Frame (PMF) as a mounting base for the cabinet. Do not use caulking compounds as a sealer between the cabinet and the PMF.
Use the following procedure to mount the cabinet on the concrete pad: 1. Use a 3/16-inch security hex-head wrench to remove the screws that secure the access covers to the left and right sides
of the cabinet ground spacer/riser. 2. Remove the plastic plugs that are installed in the threaded corner holes of the PMF and clean off any concrete that may
have adhered to the top of the PMF.
Note: Make sure all remnants of concrete are removed from the PMF prior to mounting the cabinet. It is not necessary to use shims to level or align the cabinet as long as the top surface of the PMF is clean and free of any installation debris.
3. Place the isolation gasket (provided with cabinet) on the PMF and align the holes in the gasket with the holes in the PMF. Make sure the wide side of the gasket is on the side of the PMF that corresponds to the front side of the cabinet.
4. If a ground spacer/riser (accessory) will be installed, place the spacer/riser in position for mounting on the PMF. The isolation gasket installed in step 3 should remain in place between the PMF and spacer/riser. If a spacer/riser will not be installed, proceed to step 7.
5. Align the mounting holes in the spacer/riser with the mounting holes in the PMF. 6. Secure the spacer/riser to the PMF using the four cap screws, four lock washers, and four flat washers provided. Tighten
all cap screws securely. 7. Using appropriate lifting equipment, hoist the cabinet several feet into the air to provide access to the feeder and
distribution cables.
Danger: Do not stand directly under the cabinet as it is being hoisted into position for cable installation. A failure of the lifting equipment could result in serious personal injury.
Note: Label or tag the stub end of each cable so it can be identified after it is routed to the splice enclosure.

ISOLATION GASKET
CONCRETE PAD

CABLE CONDUIT

PAD MOUNT FRAME (PMF)
Figure 20. Mounting the All In One Cabinet on the Concrete Pad 8. Feed the stubbed feeder and distribution cables into the appropriate conduit sections and route to the splice enclosure
(not provided). Note: A separate splice enclosure (not provided) is required for splicing the cabinet OSP feeder and distribution cables to the network cables.
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9. Lower the cabinet onto the vault or PMF and align the mounting holes in the cabinet base with the threaded holes in the PMF. If a spacer/riser was not installed, leave the isolation gasket (installed in step 3) in place on the PMF.
10. Secure the cabinet to the spacer/riser or PMF using the eight cap screws, eight lock washers, and eight flat washers provided with the cabinet. Tighten all eight cap screws securely.
11. For safety, the lifting eyes must be removed from the cabinet and either a) placed in the cabinet, or b) reinstalled upside down. Use the security key tool (accessory) to remove the lifting eye screws. For option a), store the lifting eyes inside the cabinet and then re-install the lifting eye screws in the cabinet. For option b), turn the lifting eyes upside down and then secure them to the cabinet with the original screws.
2.6 Fasten Cabinet to Concrete Pad or Vault
1. Fasten cabinet to a concrete pad or vault from cabinet pad mount holes per Figure 13 and Figure 21. CommScope requires use of eight mounting holes.
· For pad installations, customer provides anchors or inserts to fit the 1/2″-13 x 1.5″ bolts provided with the installation kit, Table C.
· For structures, customer provides adequate hardware to fasten cabinet to the structure. · For cabinet with plinth, see Figure 22 to mount cabinet to pad.

23.23″ (590 mm)

Rear

22 .68″ (576 mm )

Padlock

1X Ø 1.30 Knockout

5X Ø2.50 Knockout

Concrete pad hole-mount locations on cabinet floo,r 6 places, without plinth
Bottom View of
cabinet floor

Thermosiphon

Padlock Front

Figure 21. Mounting Footprint for MSO AIO Cabinet

Figure 22. Plinth Mounting Footprint, Bottom and Top Views, MSO AIO Cabinet
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2. Obtain bolts and washers from installation kit. · Concrete Pad–Thread bolts with washers into anchors or inserts, 1.5″ bolts with 1/2″ lock and flat washers, along
with the rubber washers, Figure 23. Do not tighten bolts until all are in place. · Vault–Fasten cabinet to steel structure with customer provided 1/2″ x 2.5″ bolts, nuts, flat and lock
washers.
Figure 23. Fastening Cabinet to Concrete Pad
2.7 Route and Connect Cables
Important: · A licensed electrician is to install all cabinet electrical connections conforming to NEC, state, and local codes.
Properly ground all site equipment before making any electrical connections. · If routing cable through pad (structure), remove floor knockouts (punch outside to inside) before placing cabinet
onto pad; Figure 13, Figure 14, Figure 24. Bring in cable through knockouts on left and right walls and cabinet base, Figure 24. · Use door key to open and remove rear panel for cable access, Figure 8. · Use knockouts on cabinet topside only for stacking two cabinets (MSO AIO Cabinet only), Figure 24.
Figure 24. Cabinet Knockout Locations, MSO AIO Cabinet
2.8 Mounting The Cabinet On A Vault, or Fiberglass Sleeve
The FMS is a fiberglass and polymer concrete sleeve that may be used to support the cabinet at ground level. The FMS may also be used as a splicing vault. Four vertical cable racks are molded into the sides of the FMS to accommodate removable rungs (not provided). The rungs may be used to provide support for splice cases or OSP cable storage. The large size FMS, shown in Figure 25, measures internally 48 x 60 inches (121.9 x 152.4 cm) and is 37.25 inches (94.6 cm) deep.
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Figure 25. Large Fiberglass Mounting Sleeve (FMS-FD3J-KIT-A) Installation Recommendations: The site chosen for the installation must conform to all local codes and any permits require must be obtained prior to the start of installation. The location must be accessible and provide adequate parking for worker and vehicle safety. Situate the FMS close to the trench that was used for routing the OSP fiber cables for the network distribution system. The installed cabinet must not create a visual or physical obstruction to vehicular or pedestrian traffic. Ensure that there is sufficient space on all sides to facilitate cabinet installation. Depending on the landscaping requirements, the top surface of the mounting sleeve may be located from 0 to 4 inches (10.2 cm) above the surrounding grade. Excavation: The excavation must be large enough to provide a fill base that will maintain stability for the FMS and the cabinet mounted on it. There must be room for 12 inches (30.5 cm) of fill below and on each side of the FMS. The excavation dimensions for the large FMS are shown in Figure 26. Excavate a rectangular hole for the FMS.
Figure 26. Excavation Recommendations for (FMS-FD3J-KIT-A)
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Placement of the FMS:
Danger: Use adequate lifting equipment when installing the FMS. Do not stand in the hole while placing the FMS in position. An unexpected shift of the FMS could result in personal injury.
Use the following procedure to place the FMS into the excavation: 1. Fill the bottom of the hole with stone aggregate, tamping it as it is filled to build a 12-inch (30.5 cm) layer with a level
surface. The stone aggregate will provide a stable base to support the FMS.
Note: Use crushed rock 3/8-inch or less in size mixed with stone dust (per local practice) to fill the hole. The name of the material may differ in different geographical areas. Possible names are Class 5, stone dust, aughts (0s) and ones (1s), or stone aggregate
2. Use appropriate lifting equipment to place the FMS into the center of the hole. Lifting bolts are provided 3. Use a carpenter’s level to verify that the FMS is level. If it is necessary to add or remove fill for leveling, tamp any added
fill to maintain the base stability.
Cable Conduit Installation: Select the conduit entrance holes (see Figure 20) for the OSP feeder and distribution cables. If necessary, additional conduit entrance holes may be cut using a power drill and hole saw. Place and route the conduit into the entrance hole(s). If preferred, the FMS may be installed without conduit. OSP cables may be routed into the FMS at any point that is convenient. Cut the cable entrance hole to match the size of the cable.
Grounding System Installation: Install a grounding system (not provided) that meets all local electrical codes. Check local codes for grounding system installation, use of clamps, wire size, and any other grounding requirements. Typically, #6 AWG copper wire is used for the grounding wire. Install the grounding system inside the FMS where it will not interfere with the conduit or cables. Leave sufficient slack in the grounding wire to allow it to be routed into the cabinet after the cabinet is mounted on the sleeve.
Back Fill: If installing conduit, hand shovel stone aggregate under the conduit to avoid damage from the power tamper.
Complete the back fill as follows: 1. Add stone aggregate evenly around the FMS and tamp. Fill to approximately 6 inches (15.2 cm) from the top of the
excavation. 2. Complete the back-fill with crushed rock or topsoil depending on the landscaping requirements. The top surface of the
mounting sleeve may be located from 0 to 4 inches (10.2 cm) above the surrounding grade (see Figure 17).
Mounting the Cabinet on the FMS: Use the 216B key tool to un-latch and latch the cabinet doors as needed during the mounting process.
Warning: Use appropriate lifting equipment when moving or installing the cabinet. Do not stand under a cabinet as it is being hoisted into position for mounting. A failure of the lifting equipment could result in serious personal injury.
Use the following procedure to mount the cabinet on the FMS: 1. Mount the FMS adapter cover on the FMS and secure using the two cap screws and flat washers provided. Tighten each
cap screw securely. 2. Place the isolation gasket (provided with cabinet) on the adapter cover and align the holes in the gasket with the holes in
the adapter cover. Make sure the wide side of the gasket is on the side of the adapter cover that corresponds to the front side of the cabinet. 3. The isolation gasket installed in step 4 should remain in place between the adapter cover and ground spacer. If a ground spacer will not be installed, proceed to step 8. 4. Secure the cabinet to the adapter cover using the eight cap screws, eight lock washers, and eight flat washers provided with the spacer. Tighten all cap screws securely. 5. Using appropriate lifting equipment, hoist the cabinet several feet into the air to provide access to the feeder and distribution cables
Danger: Do not stand directly under the cabinet as it is being hoisted into position for cable installation. A failure of the lifting equipment could result in serious personal injury
Note: Label or tag the stub end of each cable so it can be identified after it is routed to the splice enclosure.
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6. Carefully route the stubbed feeder and distribution cables through the rectangular opening in the cover and into the vault.
7. Feed the stubbed feeder and distribution cables into the appropriate conduit sections and route to the splice enclosure (not provided). Some excess cable slack may be stored in the bottom of the vault.
Note: A separate splice enclosure (not provided) is required for splicing the cabinet OSP cables to network OSP cables. If required, splice enclosures may be mounted in the vault. 8. Secure the cabinet to the adapter cover or spacer using the eight cap screws, lock washers, and flat washers provided
with the cover. Tighten all four cap screws securely. 9. Install the cover onto the FMS and secure using the two cap screws and washers provided. Tighten both cap screws
securely. Note: The vault cover may be installed at a later time to the interior of the vault to be accessed for cable installation, ground wire installation, or splicing. 10. For safety, the lifting eyes must be removed from the cabinet and either a) placed in the cabinet, or b) reinstalled upside
down. Use the security key tool (accessory) to remove the lifting eye screws. For option a), store the lifting eyes inside the cabinet and then re-install the lifting eye screws in the cabinet. For option b), turn the lifting eyes upside down and then secure them to the cabinet with the original screws. 11. Reinstall the left and right access covers that were removed in step 1. Use the 3/16-inch security hex-head wrench to tighten the screws that secure each access cover to the sides of the cabinet ground spacer/riser.
2.9 Connect Cabinet to Main Earth Ground
Connect cabinet to earth ground with at least one ground lug at bottom rear of cabinet, Figure 27. · Use a 2 AW ground wire (customer provided) to site ground ring per local requirements. · Ground external ancillary equipment to the 8-position ground bar located in the cabinet. The ground bar uses 1/4″-20
studs spread at .625″ (15.875 mm) C-C, Figure 27.
Figure 27. Main Earth Grounding
2.10 Connect Cabinet to Outgoing Office Alarms
Make sure to look at the cabinet SD for outgoing equipment and cabinet alarms to the alarm terminal block(s). The customer is responsible for outgoing alarms to a central office.
2.11 MSO AIO Cabinet Node Installation
· Unpack the optical nodes that have been designated for installation into the cabinet. Retain all hardware, cabling, and documentation for later use.
· Remove the front security bolts holding the sliding drawer(s) in place. Figure 28.

Figure 28.

· Slide the drawer assembly forward to allow for access to the top mounting holes as shown in figure 29.
Figure 29. · Remove the 2 strand attachment hardware pieces from the top of the node(s) and set aside.
Figure 30. · Install 2- 5/16″ X 5/8″ bolts with integrated washers into the node housing. Leave a 1/8″ gap between the node housing
and the washer to allow for sliding into the node drawer mounting tabs located directly beneath the bolt access holes.
Figure 31. · Lift the node onto the node drawer while guiding the bolts through the slotted holes on the mounting tabs. Using a ½”
socket, tighten the node mounting bolts to node manufacturer specification.
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Figure 32. · Using a 7/16″ nut driver or equivalent, open the node housing cover assembly and allow the cover to come to rest below
the node housing.

Figure 33. · Unpack the fiber cable flexible tube assembly and route all fiber patch cords through the node optical port. (The port
location may vary depending on manufacturer).

Figure 34.

· Carefully route each individual connector through the optical port one at a time. · Once all fiber cables are inside the node housing, slide the flex tube assembly up to the node port and install the 5/8″
threaded gland into the node housing. Tighten the gland using a X/X” wrench.

Figure 35. · Remove end face caps on each patch cord connector and clean. Remove end face caps on each node bulkhead
connector and clean. Connect the appropriate patch cords to the SFP’s inside the node. · Locate the power inserter and coaxial cable assemblies located in the accessory kit. · Install the power inserter on the vertical stud located in the rear center of the cabinet. · Route 1 coaxial cable from the power supply/inverter to one of the AC ports on the power inserter. · Open the power inserter and verify correct fusing connections between all AC ports. · Route coaxial cables from the power inserter AC ports to each node installed in the MSO All-In-One Cabinet. (Node AC
port locations may vary by manufacturer).

Figure 36. · Close the cover on the node housing and tighten each of the housing bolts to manufacturer’s specification.

Figure 37.

· Slide the node drawer assembly back into the MSO All-In-One Cabinet. While sliding the node drawer into the cabinet, ensure that the flexible tubing assemblies’ route correctly to eliminate any binding or kinking.

Figure 38.

Figure 39.

· Re-install the node drawer security bolt with a 7/16″ can wrench. Tighten securely.

Figure 40.
2.12 Connect Cabinet to Main Power Source, Turn-up
Depending on cabinet configuration, the customer shall provide 230 VAC and 120 VAC feeds to power and run the following cabinet systems and equipment. · Power distribution and rectification system · Cabinet equipment connected to power system
— DC light, fuse panels, overvoltage protection units, fiber panels, and remote monitoring units · Cooling systems
— Thermosiphon and air conditioner · AC electrical outlet ( FCI)
Important: · A licensed electrician is to install all electrical connections conforming to NEC, state and local codes. Properly ground all
site equipment before any electrical connections. · AC feeds from an appropriate disconnect device to the cabinet must have surge protection and dedicated breakers. The
cabinet requires 230 VAC and 120 VAC single-phase power feeds. · For all cabinet power connections and feeds, refer to the cabinet schematic drawing (SD) and equipment instruction
manuals supplied with the cabinet.
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Warning: · Maintain and adhere to all local and state AC utility wiring and safety precautions. Failure to follow instruction can cause
bodily harm, death, and equipment damage. · Properly ground the cabinet to site earth ground for reliable earth ground of rack mounted equipment. Do not make any
electrical connections prior to this. · The power requirements must not exceed the marked ratings on the FCI outlet. · Disconnect all power prior to servicing.
3 Cabinet Battery Installation
Danger: · Batteries can be a lethal source of electrical power. Follow all locally approved safety practices. · Do not wear metallic jewelry, nor allow any tools to rest on batteries or lay across terminals. · Do not smoke, permit open flame, or cause sparks near a battery. · Keep batteries upright, and do not lift batteries at the terminals.
Caution: · Install batteries only after mounting the cabinet onto a concrete pad, steel plate or grate. · Do not lift the cabinet with the batteries installed, which may damage the cabinet. · Maximum amp hour per battery string should not exceed 190-amp hours. · There is risk of explosion if you replace one battery type with another. Dispose of used batteries as instructed by
the battery manufacturer. · Do not connect fewer batteries to a battery string than required, as thermal runaway can occur. · If battery storage temperature exceeds 32 C (90 F), the battery open circuit time should not exceed four months. · Follow all battery and cabling instructions to reduce risk of fire, electric shock, and injury.
Important Safety Precautions: · For only one battery string, CommScope recommends loading battery shelf #1 first. · The customer shall incorporate a containment system within the battery compartment of the cabinet to capture
electrolyte in the case of a flooded battery. · Wear full eye protection and protective clothing. · If electrolyte contacts the skin, wash it off immediately with water. · Wash down spilled electrolyte with a suitable acid neutralizing agent. Note: A usual practice is to apply a solution of about one pound (500 grams) bicarbonate of soda to one gallon (4 liters) of water. Carefully pour (add) the bicarbonate solution of soda onto spilled electrolyte until evidence of reaction (foaming) ceases. Flush the resulting liquid with water and allow area to dry.
3.1 Battery Safety Recommendations
· Always wear eye protection when installing and removing batteries. If exposed to electrolyte, immediately soak eyes with plenty of water and seek medical attention as soon as possible.
· Always keep water available for rinsing and washing. · For skin protection, wear protective clothing such as, rubber gloves and long sleeves, including safety glasses (or a face
shield). · For protection of clothing, wear rubber or plastic aprons or other appropriate protection. · Keep batteries upright to prevent spillage. Note: In case of spillage do not dispose of electrolyte in public drainage systems. Use an appropriate absorbent material to remove electrolyte. Refer to the MSDS for procedure guidelines and consult with the manufacturer representative for available spill kits. · Always keep battery covers in place prior to installation. · Use a multimeter to verify polarity when connecting string to the system. Never rely on color. Color-coded battery
terminals and color-coded system wires are not always polarity compatible. · Always ground yourself, your tools, or anything else when working on batteries to prevent accidental sparks from static
electric discharge. · Take extra care to prevent static electricity during days of low humidity. Touch the outside of the cabinet, or any grounded
metal structure to eliminate static electric discharge. · Use the battery handles when lifting batteries. Batteries are heavy, handle and lift appropriately. · Apply corrosion preventative compound (NOOX) generously and completely for all connections made during installation
as recommended by the battery manufacturer. · Never substitute unapproved parts.
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3.2 Required Tools
Only use insulated tools to install batteries. · Socket wrench set, metric · Socket wrench extension · Open end wrench set, metric · Allen wrench set, metric · Voltmeter · NOOX
3.3 Recommended Battery Dimensions and Battery Tray Configurations
Caution: Dispose of used batteries as specified by the battery manufacturer or in the instruction manual with the battery kit and per local or regional practice.
Use only UL approved VRLA batteries, that meet the lower explosive UL requirement in agreement with the battery manufacturers product instruction manual.
3.4 Maximum Battery Dimensions
· Height 12.3″ · Width 5.3″ per battery (max string width not to exceed 21.44″, or 5.3″ x 4) · Depth 22.1″ (do not exceed this depth) Apply battery dimensions as required toward use of battery tray design in the CMC cabinet.
3.5 7RU or 8RU Battery Tray Spacing Options Battery Recommendations
MSO AIO Cabinet Equipment and Battery Cabinets (mixed) 7RU or 8RU Spacing Options
· 7RU Battery Recommendations: — 100 AH two string max.
· 8RU Battery Recommendations: — 170 AH two string max.
3.6 Battery Voltage and Battery Supply Resistance
Nominal battery system circuit voltage, float (charging) voltage, and battery supply resistance is in accordance with PS E.1.6.100.1 where the: · Nominal battery system circuit voltage is -48 VDC · Nominal float (charging) voltage is -54.5 VDC · Total battery supply resistance of all battery strings is 5.33 Ohms Use the information in this section to calculate the maximum short circuit current in the final installation.
Caution: · The design of this equipment allows it to connect to a battery source of nominal 48 VDC based on 2 V per cell with a
minimum resistance of 0.5 m. · This resistance calculation includes the minimum battery system equivalent parallel resistance and the interconnecting
conductors to the input termination point of this equipment. · Use these values to verify you do not exceed the DC short circuit current withstand rating of the equipment and that the
overcurrent protection devices have the required interrupting capability. · Field installed or replaceable components that intentionally interrupt output short circuit current shall have a specified
interrupt rating of 10 kA.
3.7 Battery System Resistance and Short Circuit Current Calculation
To calculate the battery system resistance and short circuit current for this cabinet as given in PS-E.1.6.100.1 of IEC61204-7 use the following:
· Battery String Resistance Calculation (per string)
RStr1 = (4 x Rb) + (3 X Rbc) + Rsc- + Rsc+
Where:
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Rb – Battery resistance Rbc – Resistance of battery links Rsc- – Negative string cable Rsc+ – Positive string cable
· Total Resistance of All Strings

RTstr =
And:

1 (R/Rstr1) + (R/Rstr2) + (R/Rstr3)

SCCR =

VBatt Supply

RTstr 3.8 Battery Installation
Battery installation consists of:
Step 3.8.1 Cabinet Preparation Prior to Installation, VRLA Step 3.8.2 VRLA Battery Installation 3.8.1 Cabinet Preparation Prior to Installation, VRLA Prior to installing VRLA batteries: 1. Open the door and verify cabinet connection to site ground. 2. For initial cabinet installation, ensure all cabinet power is OFF, including the power shelf. 3. Remove the battery front retainer bracket, Figure 41. 4. Take off the four M6 screws on left and right sides of the bracket and retain hardware for reinstallation. Note: If cabinet configuration uses Anderson connectors, remove string bus connector from bracket and retain hardware for reinstallation; Figure 41, Figure 42. For standard lug connection to +RTN and -48 V terminals (Figure 44), set cables clear of batteries and do not remove protective covers until ready to connect. 5. Cover the door gasket on the lower door flange to protect it from any damage, Figure 41.

3.8.2

Figure 41. Front Battery Retainer Bracket Removal, VRLA Installation VRLA Battery Installation

Important: · Do not remove protection boots from the batteries and battery cables until ready to connect. · erminate each cable to correct terminal. Cable connectors have marked polarities and color codes; red on positive cable
(+RTN), black on negative cable (-48 V). · Have the SD on hand to look at for battery and thermal probe connection details. · If installing batteries in a battery only cabinet also follow instruction on routing and connection to a MSO All-In-One
power cabinet using battery interconnect kit 860651309 in the next section Installation – Battery Interconnect Kit CMC.

To install VRLA batteries: 1. Read the voltage for each battery, at least 12.5 VDC or higher. If reading is less than 12.5 VDC, consult manufacturer. DO
NOT install batteries that measure less than 12.5 VDC. 2. Read and follow the manufacturer’s instruction on battery installation (customer provides kit). Installation may require
more than one string of batteries. Note: Do not apply charging if battery string measures less than 50.0 VDC. 3. Install busbars ( jumpers) per Figure 46 from battery kit to configure one -48 VDC string. 4. Place busbars (+ to ) between batteries #1 and #2, #2 and #3, #3 and #4 per Figure 42. 5. Install a thermal probe to the negative terminal of battery #3 for the string, Figure 42. Note: Seat thermal probe between busbar, flat washer, and nut of per Figure 42. Refer to the SD if installing more than one string of batteries.
Figure 42. Example of Battery Busbar and Thermal Probe Connections 6. Repeat steps 1-4 to install additional strings in the cabinet. · For Anderson connectors do not fasten string connector until after installing all strings. · For standard lug connections do not connect string to circuit breaker or master busbar until after installing all
strings. 7. Connect battery string cables from battery string connector. Do not remove protective cover from each cable end until
ready to connect to the -48V and +RTN string terminals. 8. Locate battery cable marked BATT+. Remove protective lug cover and connect it to positive (+RTN) terminal of right-
most battery per Figure 43 or Figure 44. 9. Locate battery cable marked BATT-. Remove protective lug cover and connect it to negative (-48V) terminal of left-most
battery per Figure 43 or Figure 44.
Figure 43. Battery String Cable Connection, Example Using Anderson Connectors
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Figure 44. Battery String Cable Connections, Example with Lugs 10. Dress the battery cables and thermal probe wires as required. 11. Reinstall the battery front retainer bracket on each shelf, Figure 41. 12. If using Anderson connectors: Fasten string bus connector (to power system) onto retainer bracket per Figure 43; then
fasten battery string connector to battery string bus connector. 13. Remove all installation debris, tools, and extra hardware from inside the cabinet. 14. Make sure you can close and open the door without any interference from battery cables. 15. Turn-up power and configure power system controller for VRLA batteries and total number of strings.
4 Disclaimer
All trademarks identified by ® are registered trademarks in the US and may be registered in other countries. All third-party product names, trademarks and registered trademarks are property of their respective owners. This product may be covered by one or more U.S. patents or their foreign equivalents. For patents, see www.cs-pat.com. This document is not intended to modify or supplement any specifications or warranties relating to CommScope products or services.
5 Contact Information
Visit our website or contact your local CommScope representative for more information. www.commscope.com For technical assistance, customer service, or to report any missing/damaged parts, visit us at: http://www.commscope.com/SupportCenter
Page 29 of 29 © 2024 CommScope, Inc. All Rights Reserved