TEKTELIC communications KONA Mega Gateway 900MHZ TDD User Guide

TEKTELIC Communications Inc.
7657 loth Street NE Calgary, Alberta Canada, T2E 8X2
KONA MEGA GATEWAY – 900MHZ TDD
User Guide

KONA Mega Gateway 900MHZ TDD

Document Revision

Product Description

1.1 Overview
The KONA Mega Gateway is a LoRaWAN IoT gateway that supports a broad range of LoRaWAN channels. The Mega platform is designed to support a multitude of deployment configurations in an outdoor environment. The hardware architecture supports one or two LoRa antennas, a GPS antenna, direct DC input power or Power over Ethernet (PoE), and backhaul options including copper Ethernet and 3G/4G wireless.
This user guide is specific to a subset of the full KONA Mega portfolio, inclusive only of Mega gateways employing Time Division Duplexing (TDD), operating in the 900MHz frequency band, and optionally including the Sierra Wireless EM7455 3G/4G modem. Table 1 lists all such KONA Mega Gateway models.

Table 1: KONA Mega Gateway Models

Product Number| 1X LoRa ANT| 2X LoRa ANT| LTE Modem| Reference
---|---|---|---|---
T0004978| x| | | Figure 2
T0004982| | x| | Figure 4
T0004988| x| | | Figure 2
T0004992| | x| | Figure 4
T0004996| x| | | Figure 2
T0005000| | x| | Figure 4
T0005004| x| | | Figure 2
T0005006| x| | x| Figure 3
T0005008| | x| | Figure 4
T0005010| | x| x| Figure 5

Figure 1 illustrates the common Gateway external form-factor. The differences between the options are limited to the bulkhead field, and the internal cavity bandpass filters.

1.2 Bulkhead Layout
The KONA Mega Gateway bulkhead component fields are detailed in the following figures.

Figure 2: KONA Mega Gateway Option #1 with Circular Plastic Connector Bulkhead Field

Figure 3: KONA Mega Gateway Option #2 with Circular Plastic Connector Bulkhead Field

Figure 4: KONA Mega Gateway Option #3 with Circular Plastic Connector Bulkhead Field Figure 5: KONA Mega Gateway Option #4 with Circular Plastic Connector Bulkhead Field

All KONA Gateway module interconnect is located on the bottom facing bulkhead. The RF connectors are waterproof while unmated but all other connectors must be terminated with mating connectors or covered with the supplied protective cap when not in use in order to be water tight. Connector types and their mating connectors are listed in Table 2 .

Table 2: KONA Mega Gateway Interface Connector Types

Chogori Technology Co., Ltd. Approved mating connector (pin 33000111-02 or equivalent)
DC Power Input (CPC connector)| Circular plastic threaded, 2 contact, DC power| Shenzhen Chogori Technology Co., Ltd. Approved mating connector (pin 23002211-02 or equivalent)
Earth Ground| 1/4 – 20 UNC double hole| Industry standard 2-hole lug, 1/4 x 0.75″ spacing

1.3 Specifications
The KONA Mega Gateway specifications are listed in Table 3.
Table 3: KONA Mega Gateway Specifications

solar loading.
Relative Humidity| 10% to 100%
Operating Altitude| -60 m to 4,000 m (-197 ft to 13,123 ft)
Power Input, Direct DC| 48 VDC nominal, 37 to 57 VDC operating range (after 42 V maximum startup threshold).
Positive or negative ground referenced feed.
SELV & LPS source required.
Maximum 10A input overcurrent protection.
Power Input, PoE| IEEE 802.3 at over all four pairs (Mode A + Mode B) required
Power Consumption| 35 W maximum
Weather Tightness| UL Type 6 (IP-67)
Regulatory Compliance| CSA/UL/EN 62368-1, CSA/UL/EN 60950-1, CSA/UL/EN 60950-22CE FCC Pt. 15 Class B
Surge Protection| All interfaces are protected to primary levels except for the 3G/4G modem antenna port which supports local antenna mounting only or requires an external surge suppressor.

Installation

2.1 Safety Precautions

• Installation, operation, and maintenance of the KONA Mega Gateway must only be performed by a professionally trained service technician who is aware of all hazards involved.

• The KONA Mega Gateway must be installed in a restricted access location (such that touching of the Gateway by non-service persons is not likely).

• The KONA Mega Gateway may become hot to the touch during normal operation at elevated ambient temperatures. The surface temperature of the Gateway may reach 90°C.

• The KONA Mega Gateway has no internal field serviceable parts. The Gateway module must only be opened by an approved TEKTELIC service center.

• All installation practices must be in accordance with the local and national electrical codes.

• Do not work on the system during periods of lightning activity.

• The KONA Mega Gateway is considered permanently connected equipment. The Protective Earth Ground connection (that is, the two-hole lug to chassis ground) is always required.

• Ensure the KONA Mega Gateway Protective Earth Ground connection is properly terminated prior to the connection of any other interfaces.

• The KONA Mega Gateway contains primary lightning surge suppression on the Direct DC power port, the Copper Ethernet port, the GPS antenna port and the LoRa RF antenna ports.
  The primary lightning protectors have the ability to bridge the interface isolation boundary during over-voltages. Ensure that the Protective Earth Ground connection is always in place.

• Ensure that the KONA Mega Gateway, its antennas and supporting structures are properly secured to eliminate any physical hazard to people or property. The Gateway must be securely mounted according to the mounting instructions prior to any cable connection and operation.

• The KONA Mega Gateway does not contain a power supply disconnection device; a readily accessible disconnection device must be incorporated external to the KONA Mega Gateway.

• The direct DC powered KONA Mega Gateway shall be supplied through an input overcurrent protection device rated not more than 10 A. The overcurrent protection must have the appropriate current interrupt capacity for the power source and must be incorporated into the non-earthed conductor(s) of the KONA Mega Gateway DC supply.

• For the direct DC power feed option, the DC positive pin must be at positive potential relative to the DC negative pin. If the polarity is reversed, the unit will not sustain damage but will not operate until the connection polarity is corrected.

• Although the KONA Mega Gateway can be powered through either a direct DC input or through power over Ethernet (PoE), simultaneous application of power to both inputs may result in unexpected operation and shall be avoided.

• The KONA Mega Gateway power source must meet SELV requirements.

2.2 Unpacking and Inspection
The following should be considered during the unpacking of a new KONA Mega Gateway.

1. Inspect the shipping carton and report any significant damage to TEKTELIC.
2. Unpacking should be conducted in a clean and dry location when possible.
3. Do not discard the shipping box or foam inserts as they will be required if a unit is returned for repair or re-configuration.

2.3 Required Equipment for Installation
The following tools are required to install the KONA Mega Gateway module:

1. A 6 point metric socket set and torque wrench drive.
2. Anti-oxidant compound (NO-OX-ID, Penetrox, Noalox, Ox-Gard or equivalent).
3. A small wire brush.
4. A clean cloth.
5. Weatherproofing tape kit for the RF connectors (Scotch Wireless Weatherproofing Kit, WK-101 recommended).
6. Appropriately sized pipe clamps for pole mounting or appropriate screws or bolts (four sized M8) with any required anchors according to the wall construction for wall mounting.

2.4 KONA Mega Gateway Mounting
KONA Mega Gateway is designed to be mounted to a vertical pole or wall using a mounting bracket. The mounting bracket is a single part that bolts to the back surface of the Gateway using supplied hardware (four M6x1.0 – 14 mm bolts with flat and star lock washers) as illustrated in Figure 6. The Gateway module must be oriented with the connector bulkhead facing down, towards earth.

Ensure that the structure to which the Gateway is being mounted is secure and able to support a dead load of at least 136 kg (300 lbs). The area below must be free of any obstructions to cable ingress.

The KONA Mega Gateway wall mounting procedure is as follows:

1. Bolt the wall mounting bracket to the Gateway module using the supplied bolts and washers.
2. Install 2 site supplied M8 bolts into the wall at 139.7 mm (5.5”) center spacing, leaving the bold heads protruding with a 2mm gap from the wall surface.
3. Hang the KONA Mega Gateway with bracket from the two bolts by inserting the keyhole slots at the top of the bracket onto the 2 bolts and tightening the bolts.
4. Insert and tighten two additional site supplied M8 bolts through the holes at the bottom of the bracket.

The KONA Mega Gateway pole mounting procedure is as follows:

1. Bolt the wall mounting bracket to the Gateway module using the supplied bolts and washers.
2. While temporarily supporting the Gateway with bracket, install the two site supplied pipe clamps, one through each of the upper and lower slotted clamp mounting points.

2.5 Ground Cable Installation
The KONA Mega Gateway is considered Permanently Connected Equipment and requires a permanently connected Protective Earth Ground (PEG) conductor. The Protective Earth Ground connection is made through a 1/4 x 0.75” on center double hole lug to the ground termination point illustrated in Figure 7. The ground cable gauge shall be #10 AWG minimum.
The KONA Mega Gateway grounding system shall follow local and national electrical codes. The Protective Earth Ground conductor terminated at the double hole lug point is mandatory and must be the first connection made to the KONA Mega Gateway during installation. Proper routing and termination of this cable is key to robust lightning withstand performance; in high susceptibility installations, every effort shall be made to minimize connection inductance and ground bed resistance.

The ground cable installation steps are as follows:

1. Lightly abrade the surface of the casting ground area with a fine wire brush to remove the oxide layer.
2. Use a clean cloth to remove any debris from this surface.
3. Immediately coat the contact surface with a thin layer of anti-oxidant compound.
4. Install the ground cable through its 2-hole lug onto the chassis ground point using the two supplied 1/4 – 20 x 1/2” bolts with flat and star lock washers, torqued to 10.4 Nm (92 in·lbs).

2.6 Direct DC Power Cable Installation
The direct DC feed for KONA Mega Gateways listed in Table 1 will terminate at a dedicated two pin circular plastic connector (CPC). The direct DC power input is isolated from chassis (earth) with the exception of the primary surge suppressors. One lead of the DC power feed is normally earth referenced external to the KONA Mega Gateway (usually at the power source by convention).
The DC power cable shall be rated for outdoor application and in accordance with local and national electrical codes.
The CPC DC connector shall be as specified in Table 2 and shall follow the signal polarity identified in Figure 8.

2.7 RF Cable Installation
The Gateway installation will require connection to a GPS antenna, one or two LoRa RF antennas, and optionally a 3G/4G modem antenna. The RF cables attach to the N-Type connectors on the bottom of the KONA Mega Gateway. Torque the connectors to 1.7 to 2.3 Nm (15 to 20 in·lbs).
The N-Type connector interface to a cable is not water proof and must be taped to be used outdoors. TEKTELIC recommends taping with Scotch Wireless Weatherproofing Kit, WK-101. Follow the taping procedures outlined by the supplier of this tape system.
Note that the 3G/4G modem antenna port is not surge protected and, accordingly, the antenna must be located with the Gateway module or, if remotely located, an external surge suppressor must be provisioned.

2.8 Antenna Installation
Note: Installation, operation, and maintenance of the KONA Mega Gateway must only be performed by a professionally trained service technician who is aware of all hazards involved.

• Maximum gain for LoRa antenna(s) of 8dBi if the cable insertion loss at 900 MHz is 0.5dB or more for 1 carrier operation at 28.0 dBm.
• Maximum gain for 3G/4G antenna used with pre-certified modem is specified in Table 4.
• Antenna(s) shall be installed to location providing a separation distance of at least 31.5 inches (80 cm) from any human body.

Table 4: Maximum 3G/4G antenna gain

Technology| Band| Frequency (MHz)| Maximum Antenna Gain (dBi)
---|---|---|---
LTE| 2| 1850-1910| 3.0
4| 1710-1755| 6.0
5| 824-849| 3.0
13| 777-787| 6.0
17| 704-716| 6.0
25| 1850-1915| 3.0
UMTS| 2| 1850-1910| 3.0
4| 1710-1755| 6.0
5| 824-849| 3.0
GSM| 850| 824-849| 3.0
1900| 1850-1910| 3.0
CDMA| BCO| 824-849| 3.0
BC1| 1850-1910| 3.0
BC10| 817-824| 3.0

2.9 Copper Ethernet Cable Installation
The KONA Mega Gateway Ethernet port may be used on a temporary basis for commissioning and maintenance or may be permanently connected for backhaul. When the port is not in use, the weatherproof protective cap must be installed. When the port is permanently connected for backhaul, a proper water-tight mating connector specified in Table 2 must be used.
The Ethernet cable must have minimum 24 AWG conductors and shall be rated for outdoor application according to local and national electrical codes.

Radio Compliance Statements

Federal Communications Commission
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority tooperate the equipment This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FRules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with theinstructions, may cause harmful interference to radio communications. However, there is no guarantee that interference wnot occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, whcan be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

To comply with FCC/IC RF exposure limits for general population / uncontrolled exposure, the antennas used for this transmitter must be installed to provide a separation distance of at least 80 cm from all persons and must not be colocated or operating in conjunction with any other antenna or transmitter.

Industry Canada
This Device complies with Industry Canada License-exempt RSS standard(s). Operation is subject to the following two conditions:

1. This device may not cause interference, and
2. This device must accept any interference, including interference that may cause undesired operation of the device.

This radio transmitter (certification number) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
The required antenna impedance is 50 ohms.
Only antenna with maximum gain of 8dBi can be used for the LoRa radios of this product if the cable insertion loss at 900 MHz is 0.5dB or more for 1 carrier operation at 28.0 dBm. Antenna(s) shall be installed to location providing a separation distance of at least 31.5 inches (80 cm) from any human body.
During product operation, always keep a separation distance of at least 31.5 inches (80 cm) from any connected antenna(s).
Before servicing the product, the antenna(s) or cables, turn off the transmission function or the unit power if you have to get closer than the minimum separation distance.
The 3G/4G modem antenna maximum allowed gain including cable loss shall be in accordance with the following table:

Technology| Band| Frequency (MHz)| Maximum Antenna Gain (dBi)
---|---|---|---
LTE| 2| 1850-1910| 3.0
4| 1710-1755| 6.0
5| 824-849| 3.0
13| 777-787| 6.0
17| 704-716| 6.0
25| 1850-1915| 3.0
UMTS| 2| 1850-1910| 3.0
4| 1710-1755| 6.0
5| 824-849| 3.0
GSM| 850| 824-849| 3.0
1900| 1850-1910| 3.0
CDMA| BCO| 824-849| 3.0
BC1| 1850-1910| 3.0
BC10| 817-824| 3.0

TEKTELIC Communications Inc.
7657 10th Street NE
Calgary, AB, Canada T2E 8X2
Phone: 403-338-6900
KONA Mega Gateway User Guide
TEKTELIC Communications Inc.
© 2022 TEKTELIC Communications Inc., all rights reserved.
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