BRT Sys IoTPortal Gateway Owner’s Manual

: September 30, 2024
: BRT Sys

Table of Contents

IoTPortal Gateway
Specifications
Product Information
Features
Part Numbers / Ordering Information
- Product Usage Instructions
Connecting the Gateway
Setting Up Devices
Configuring Applications
- Frequently Asked Questions (FAQ)
Q: What is the distance limit for connecting LDSBus Devices to
Q: Can the Gateway be powered using both POE and an external DC

IoTPortal Gateway

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Specifications

Model: IoTPortal Gateway

Version: 1.4

Document Reference No.: BRTSYS_000007

Clearance No.: BRTSYS#002

Product Information

Features

The IoTPortal Gateway allows LDSBus protocol-based devices to
communicate with BRTSys’s IoTPortal Cloud services without the need
for a PC. Real-time monitoring, alert notifications, and control
automation can be configured through the cloud via the IoTPortal
Mobile app. The gateway connects to the cloud via Wi-Fi or Ethernet
and can be powered via POE or an external DC adaptor.

The gateway features 3 LDSBus RJ45 ports for data communication
and power interface to the LDS bus network, with each port
supporting multiple LDSBus Quad T-Junctions and up to 4 LDSBus
Devices (sensors/actuators) per junction with a distance of up to
200 meters.

Applications include remote environment monitoring, agriculture
monitoring, smart building automation, data center and industrial
monitoring, etc.

Part Numbers / Ordering Information

Part Number	Description
LG010101A	IoTPortal Gateway (POE Version)
LG010201A	IoTPortal Gateway (PSU Version)
LA090101A	LDSBus M2M RJ12-USBA Cable (1.8 m)
LA100101A	LDSBus M2M RJ12-UART WE Cable (1.0 m)
LA110101A	LDSBus M2M RJ12-RS485 cable (1.8 m)
LA120101A	LDSBus DIN Rail Mount Set
LA070101A	IoTPortal Gateway PSU

Product Usage Instructions

Connecting the Gateway

1. Connect the IoTPortal Gateway to a power source using either
POE or an external DC adaptor.

2. Connect the gateway to the cloud via Wi-Fi or Ethernet.

Setting Up Devices

1. Connect LDSBus Devices to the Gateway using RJ45 cables.

2. Each port supports multiple Quad T-Junctions, with each
junction supporting up to 4 devices.

Configuring Applications

1. Use the IoTPortal Mobile app to configure real-time
monitoring, alert notifications, and control automation.

Frequently Asked Questions (FAQ)

Q: What is the distance limit for connecting LDSBus Devices to

the Gateway?

A: Each Quad T-Junction supports devices up to a distance of 200
meters from the Gateway.

Q: Can the Gateway be powered using both POE and an external DC

adaptor simultaneously?

A: No, the Gateway can be powered using either POE or an
external DC adaptor, not both simultaneously.

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IoTPortal Gateway Datasheet Version 1.4
Document Reference No.:BRTSYS_000007 Clearance No.: BRTSYS#002

IoTPortal Gateway
Datasheet

1 Introduction

1.1 Features

The IoTPortal Gateway allows a wide variety of LDSBus protocol based LDSBus Devices (sensors/actuators) to communicate with BRTSys’s IoTPortal Cloud services without the need for a PC. Real time monitoring, alert notifications and control automation can be configured through the cloud via the IoTPortal Mobile app. The IoTPortal Gateway connects to the cloud via Wi-Fi or Ethernet and is powered either via POE or an external DC adaptor (PSU).
The gateway comes with 3 LDSBus RJ45 ports which serve as data communication/power interface to the LDS bus network. Each port can be connected to multiple LDSBus Quad T-Junctions using RJ45 cables (Cat5e) and each Quad T-Junction supports up to 4 LDSBus Devices (Sensors/Actuators) with a distance reaching up to 200 meters.
Applications include remote environment monitoring, agriculture monitoring and control, smart building automation, data center and industrial monitoring etc. Please visit Resources – BRT Systems for more information on the Gateway and the IoTPortal.

IoTPortal Gateway features include:
· Connect IoT sensors/actuators to the BRTSys’s IoTPortal Cloud to enable monitoring, alert, and control features
· Connect to wired sensors/actuators based on the BRT Sys’s LDSBus protocol
· Sensor/Actuator connectivity reaching up to a distance of 200 meters
· Ethernet Port with 10/100BASE-T · Wi-Fi 802.11 b/g/n · POE Gateway version supports both IEEE802.3af and
IEEE802.3at standards · 3 LDSBus RJ45 ports provide power and support data
communication · Machine-to-Machine communication port · 8MB non-volatile storage for sensor report storage
during off-line condition · Support for Over The Air (OTA) firmware updates · Built in temperature sensor · Built-in Over current protection · Flush Mount and DIN Rail Mounting options · PSU (DC Power adaptor): 24VDC/65W · Operating Temperature: 0oC to +55oC

Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted, or Reproduced in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. B RT Systems Pte Ltd (BRTSys) will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your statutory rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device, or System in which the failure of the product might reasonably be expected to result in personal injury. This document provides preliminary information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by the publication of this document. BRT Systems Pte Ltd, 1 Tai Seng Avenue, Tower A, #03-01, Singapore 536464. Singapore Registered Company Number: 202220043R.

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2 Part Numbers / Ordering Information

Part# LG010101A LG010201A LA090101A LA100101A LA110101A LA120101A LA070101A

Description IoTPortal Gateway (POE Version) IoTPortal Gateway (PSU Version) LDSBus M2M RJ12-USBA Cable (1.8 m) LDSBus M2M RJ12-UART WE Cable (1.0 m) LDSBus M2M RJ12-RS485 cable (1.8 m) LDSBus DIN Rail Mount Set IoTPortal Gateway PSU
Table 1 Part Numbers / Ordering Information

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Table of Contents 1 Introduction …………………………………………………….. 1

1.1 Features …………………………………………………………………..1

2 Part Numbers / Ordering Information ………………….. 2

3 Specifications …………………………………………………… 5

4 FCC Compliance Statement …………………………………. 6

5 IoTPortal Ecosystem………………………………………….. 7

6 Hardware Features ……………………………………………. 8

6.1 IoTPortal Gateway (POE Version) ………………………………..8

6.2 IoTPortal Gateway (PSU Version) ………………………………..9

6.3 Mounting Options …………………………………………………….10
6.3.1 Flush Mount …………………………………………………………………………. 10 6.3.2 DIN Rail Mount ……………………………………………………………………… 10
6.4 Power Supply ………………………………………………………….11
6.4.1 POE Gateway ……………………………………………………………………….. 11 6.4.2 PSU Gateway ……………………………………………………………………….. 11
6.5 LDSBus Output Ports ………………………………………………..11

6.6 Machine to Machine (M2M) Port …………………………………11

6.7 Real Time Clock (RTC) ………………………………………………11

6.8 Reset ……………………………………………………………………..12

6.8.1 6.8.2

Hardware Reset (HRST) …………………………………………………………… 12 Configuration Reset (FRST) ………………………………………………………. 12

7 System Status LED Indicators……………………………. 14

7.1 Network and FRST Status LED Indicator (NET)……………..14

7.2 Power Status LED Indicator (PWR/POE) ……………………..14

7.3 Ethernet Port Status LED Indicator (ETH) ……………………15

7.4 LDSBus Port Status LED Indicator (LDSBus) ………………..15

8 Mechanical Dimension ……………………………………… 16

9 Contact Information ………………………………………… 17

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Appendix A References ……………………………………… 18
Document References ………………………………………………………18 Acronyms and Abbreviations……………………………………………..18
Appendix B List of Tables & Figures …………………….. 19
List of Tables…………………………………………………………………..19 List of Figures …………………………………………………………………19
Appendix C Revision History ………………………………. 20

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3 Specifications

Connectivity
Features
Power
Physical Characteristics Environmental Limits
Standards & Certifications
Standards & Certifications Package Contents Optional

LDSBus Devices Internet Cloud

BRTSys’s LDSBus protocol Wi-Fi: IEEE802.11 b/g/n (802.11n up to 150 Mbps) Frequency: 2.4 GHz ~ 2.5 GHz Antenna: On Board Antenna Ethernet: 10/100BASE-TX Ethernet Port, Autonegotiation

LDSBus Interface

3x RJ45 ports (RS485)

Machine to Machine Interface

1x RJ12 port (UART)

Power Indicator

1x Dual-color LED Red (PoE af), Orange (PoE at, DC input)

Network Indicator

1x RGB LED

LDSBus Port Indicator

3x Red LEDs

Sensor

Built in temperature sensor

Real Time Clock(RTC)

Yes

Battery

CR1225 3V/52mAh, 5-Year Life cycles

Hardware Reset

Yes

Factory Reset

Yes, Multi-function

Input

POE Gateway – PSE: IEEE802.3af standards IEEE802.3at standards PSU Gateway – 24VDC / 65W

Output (LDSBus Ports)

POE Gateway IEEE802.3af 24VDC, Max. 400mA / 9.6W IEEE802.3at – 24VDC, Max. 600mA/ 14.4W PSU Gateway – 24VDC, Max. 1500mA / 36W

Power Consumption

POE Gateway – Max. 20W PSU Gateway – Max. 40W

Color

White

Housing

Polycarbonate

Dimensions (mm)

148.8(L) X 81.0(W) X 31.9(H)

Weight

POE Gateway – 154 grams PSU Gateway – 140 grams

Operating Temperature

POE Gateway – 0 to +55°C PSU Gateway – 0 to +40°C

Storage Temperature

-20 to +85°C

Ambient Relative Humidity

5 to 95% (non-condensing)

EMC (FCC/CE)

EN 55032:2015+AC:2016 Class B BS EN 55032:2015+AC:2016 Class B EN IEC 61000-3-2:2019 Class A BS EN IEC 61000-3-2:2019 Class A EN IEC 61000-3-3:2013+A1:2019 BS EN IEC 61000-3-3:2013+A1:2019 EN 55024:2010+A1:2015 BS EN 55024:2010+A1:2015 EN 55035:2017+A11:2020 BS EN 55035:2017+A11:2020 FCC CFR Title 47, PART 15, Subpart B, Class B

Radio Equipment Directive (RED)
Safety (LVD)

EN 301 489-1 V2.2.3 EN 301 489-17 V3.2.4 IEC 62368-1:2014 EN 62368-1:2014 +A11:2017

RF (FCC/CE)

EN 300 328 V2.2.2 EN IEC 62311:2020 FCC PART 15, Subpart C (15.247)

POE Version

1x IoTPortal Gateway

PSU Version

1x IoTPortal Gateway 1x Power Adapter

Mounting Accessories

1x LDSBus DIN Rail Mount set (LA120101A)

Table 2 – IoTPortal Gateway Specifications

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4 FCC Compliance Statement
IoTPortal Gateway complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) These devices may not cause harmful interference, and
(2) These devices must accept any interference received, including interference that may cause undesired operation.
NOTE: The equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. 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 the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If the equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
– Re-orient 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 maintain compliance with FCC’s RF exposure guidelines, at least 20cm of separation distance between the IoTPortal Gateway device and the user’s body must be maintained at all times.
FCC Radiation Exposure Statement
This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and it also complies with Part 15 of the FCC RF Rules. This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and consider removing the nocollocation statement.
Caution
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Contains FCC ID: 2AC7Z-ESPWROOM32D

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5 IoTPortal Ecosystem
Figure 1 shows the IoTPortal ecosystem with the IoTPortal Gateway serving as a vital component connecting the LDSBus devices (Sensors/Actuators) to the cloud.

Figure 1 – IoTPortal Ecosystem

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6 Hardware Features

6.1 IoTPortal Gateway (POE Version)

Port Status Indicator

Network Status Indicator Power Status Indicator

LDSBus Port 3x RJ45

POE Port Not-In Use
Figure 2 – IoTPortal Gateway (POE) – Top View

Mounting Hole

M2M RJ12
Hardware Reset
Factory Reset

Battery Switch Mounting Hole Battery

Figure 3 – IoTPortal Gateway (POE) – Side View

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6.2 IoTPortal Gateway (PSU Version)

Port Status Indicator

Network Status Indicator Power Status Indicator

LDSBus Port 3x RJ45

Ethernet Port Status Indicator DC power

Mounting Hole

Figure 4 – IoTPortal Gateway (PSU Version) – Top View

Battery Switch

M2M RJ12

Mounting Hole

Configuration Reset

Battery Hardware Reset

Figure 5 – IoTPortal Gateway (PSU Version) – Side View

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6.3 Mounting Options
6.3.1 Flush Mount
The IoTPortal Gateway can be flush mounted directly on a wall or any flat surface using 2 M3.516mm (thread) screws.
2xM3.516mm
Figure 6 – IoTPortal Gateway Flush Mount
6.3.2 DIN Rail Mount
The IoTPortal Gateway can be mounted on a DIN Rail using the LDSBus DIN Rail Mount set. This set is optional and includes the bracket and mounting screws.

DIN Rail Mount

Figure 7 – IoTPortal Gateway DIN Rail Mount

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6.4 Power Supply

6.4.1 POE Gateway

The IoTPortal Gateway shall be powered through an IEEE 802.3af or an IEEE 802.3at POE switch. The DC jack is not used in this version. Refer to Table 3 for details on the Power supply.

6.4.2 PSU Gateway

The IoTPortal Gateway shall be powered through a 24VDC / 65W adaptor. Refer to Table 3 for details on the Power supply.

Power Source

Input Voltage

IEEE802.3af IEEE802.3at Power Adaptor

37.0V~57.0V 42.5V~57.0V 24.0V / 65W

LDSBus

Max. Current

Port

(Per port)

Voltage

24.0V

400mA

24.0V

400mA

24.0V

500mA

Table 3 – Power Supply

Max. Current (3x ports)
400mA 600mA 1500mA

6.5 LDSBus Output Ports

The IoTPortal Gateway comes with 3 LDSBus ports that provide 24VDC bus power. LDSBus devices can be connected via Cat5e cable up to 200 meters. The Gateway scans each port for LDSBus devices and disables the port when no devices are detected or if device loading exceeds rated power.

6.6 Machine to Machine (M2M) Port

The IoTPortal Gateway also has an RJ12 port (Yellow) for communication between machines. The M2M port is made up of an UART running at 115200 Baud rate, 8-N-1. AT commands may be sent to the gateway to achieve the following:
a. Send an email b. Send a push notification to a mobile number c. Send an SMS to a mobile number d. Send a text message to a remote gateway using its UUID

6.7 Real Time Clock (RTC)

The IoTPortal Gateway synchronizes time using Network Time Protocol (NTP). In case NTP is not desired, then the onboard Real Time Clock may be used. The contents of the RTC are backed by a battery which can be switched on and off via the Battery Switch. A CR1225 coin battery is included (3V/52mAh) and battery life is approximately 5 years.

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6.8 Reset
There are two reset buttons on the IoTPortal Gateway, namely HRST and FRST.
6.8.1 Hardware Reset (HRST)
When HRST (Hardware Reset) is pressed, a system level, hardware reset is initiated.
6.8.2 Configuration Reset (FRST)
FRST (Firmware Reset) is a menu driven firmware-controlled reset. Three options are available on the FRST menu, and these are:
1. Initialize the gateway into Wireless Access Point (AP) mode for wireless on-boarding 2. Reset gateway configuration 3. Factory Reset
6.8.2.1 Wireless Access Point
1. Press and hold the FRST button for 5 seconds and the NET status LED will turn to solid red. 2. Release FRST and wait 10 seconds and the NET status LED will blink red. 3. Wait another 5 seconds and the gateway will enter AP mode and becomes discoverable 4. Onboarding shall begin within 60 seconds 5. After 60 seconds of no activity, the operation is cancelled, and gateway returns to previous
state.
6.8.2.2 Reset Gateway Configuration
1. Press and hold the FRST button for 5 seconds and the NET status LED will turn to solid red. 2. Release FRST and within 10 seconds, press and hold FRST again for at least 2 seconds or
until NET status LED turns to solid cyan. 3. Release FRST and wait 10 seconds and NET status LED turns to blink cyan to indicate
gateway configuration reset is initiated. 4. After releasing FRST in step 2 and followed by 60 seconds of no activity (no button
presses), the operation is cancelled, and gateway returns to previous state.
6.8.2.3 Factory Reset
1. Press and hold the FRST button for 5 seconds and the NET status LED will turn to solid red. 2. Release FRST and within 10 seconds, press and hold FRST again for at least 2 seconds or
until NET status LED turns to solid cyan. 3. Release FRST and within 10 seconds, press and hold FRST again for at least 2 seconds or
until NET status LED turns to solid orange. 4. Release FRST and wait for 10 seconds. NET status LED will blink orange to indicate factory
reset is initiated. 5. After releasing FRST in step 4, pressing FRST again within 10 seconds will cancel the reset
operation.

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Figure 8 – IoTPortal Gateway Firmware – RESET Button Functionality Flow Diagram

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7 System Status LED Indicators
The following status indicators are available on the IoTPortal Gateway 1. Network and FRST Status LED Indicator (NET) 2. Power Status LED Indicator (PWR / POE) 3. Ethernet Port Status LED Indicator (ETH) 4. LDSBus Port Status LED Indicator (LDSBus)
7.1 Network and FRST Status LED Indicator (NET)

LED Color

Description

RED Stable
BLUE Blinking
BLUE Stable
GREEN Blinking
GREEN Stable
RED Blinking
YELLOW Blinking

Device is in bootup mode While connecting to network (either Ethernet or Wi- Fi) Upon successful connection to network (either Ethernet or Wi-Fi)
While connecting to IoTPortal Cloud Upon successful connection to IoTPortal Cloud If in Wi-Fi AP mode and waiting for configuration from Mobile app When firmware upgrade (OTA) is in progress

Table 4 – IoTPortal Gateway Network and FRST Status LED Indicator
Note: Ensure that the unit is powered on throughout the OTA update process. A power loss during the OTA update process may lead to malfunction of the device
7.2 Power Status LED Indicator (PWR/POE)

LED Color

Description

RED Stable
ORANGE Stable

Indicates that the device is Powered ON with POE that supports IEEE802.3af
Indicates that the device is Powered ON with POE that supports IEEE802.3at
or
Indicates that the device is Powered ON with +24VDC (PSU)

Table 5 – IoTPortal Gateway Power Status LED Indicator

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7.3 Ethernet Port Status LED Indicator (ETH)

LED

LED Color

Description

Off

Network link is down

Link Indicator

YELLOW Stable
YELLOW Blinking

Network link is up Network link is up and data transfer in progress

Speed Indicator

Off
GREEN Stable

If link indicator is yellow, network is operating at 10Mbps otherwise no speed is available
Network is operating at 100Mbps

Table 6 – IoTPortal Gateway Ethernet Port Status LED Indicator

7.4 LDSBus Port Status LED Indicator (LDSBus)

LED Color
Off
REDBlinking

Description No communication is active. Indicates that the port is active, and communication is in progress Table 7 – LDSBus Port Status LED Indicator

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8 Mechanical Dimension
148.8 135.6
81.0
Figure 9 – IoTPortal Gateway Dimension – Top View

Figure 10 – IoTPortal Gateway Dimension – Side View

10.0

60.0
Figure 11 – IoTPortal Gateway Dimension – Bottom View Note: All dimensions are in millimeters.

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9 Contact Information
Refer to https://brtsys.com/contact-us/ for contact information.

System and equipment manufacturers and designers are responsible to ensure that their systems, and any BRT Systems Pte Ltd (BRTSys) devices incorporated in their systems, meet all applicable safety, regulatory and system-level performance requirements. All application-related information in this document (including application descriptions, suggested BRTSys devices and other materials) is provided for reference only. While BRTSys has taken care to assure it is accurate, this information is subject to customer confirmation, and BRTSys disclaims all liability for system designs and for any applications assistance provided by BRTSys. Use of BRTSys devices in life support and/or safety applications is entirely at the user’s risk, and the user agrees to defend, indemnify and hold harmless BRTSys from any and all damages, claims, suits, or expense resulting from such use. This document is subject to change without notice. No freedom to use patents or other intellectual property rights is implied by the publication of this document. Neither the whole nor any part of the information contained in, or the product described in this document, may be adapted, or reproduced in any material or electronic form without the prior written consent of the copyright holder. BRT Systems Pte Ltd, 1 Tai Seng Avenue, Tower A, #03-01, Singapore 536464. Singapore Registered Company Number: 202220043R.

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Appendix A References

Document References
IoTPortal Gateway Quick Start Guide
Acronyms and Abbreviations

Terms IoT LED
LDSBus M2M OTA POE PSU RTC

Description Internet of Things Light Emitting Diode Long Distance Sensor Bus Machine to Machine Over The Air Power Over Ethernet Power Supply Unit Real Time Clock

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Appendix B List of Tables & Figures
List of Tables
Table 1 Part Numbers / Ordering Information ……………………………………………………………. 2 Table 2 – IoTPortal Gateway Specifications ………………………………………………………………….. 5 Table 3 – Power Supply ………………………………………………………………………………………… 11 Table 4 – IoTPortal Gateway Network and FRST Status LED Indicator ……………………………….. 14 Table 5 – IoTPortal Gateway Power Status LED Indicator ……………………………………………….. 14 Table 6 – IoTPortal Gateway Ethernet Port Status LED Indicator………………………………………. 15 Table 7 – LDSBus Port Status LED Indicator……………………………………………………………….. 15
List of Figures
Figure 1 – IoTPortal Ecosystem ………………………………………………………………………………… 7 Figure 2 – IoTPortal Gateway (POE) – Top View …………………………………………………………….. 8 Figure 3 – IoTPortal Gateway (POE) – Side View ……………………………………………………………. 8 Figure 4 – IoTPortal Gateway (PSU Version) – Top View…………………………………………………… 9 Figure 5 – IoTPortal Gateway (PSU Version) – Side View………………………………………………….. 9 Figure 6 – IoTPortal Gateway Flush Mount …………………………………………………………………. 10 Figure 7 – IoTPortal Gateway DIN Rail Mount ……………………………………………………………… 10 Figure 8 – IoTPortal Gateway Firmware – RESET Button Functionality Flow Diagram ……………… 13 Figure 9 – IoTPortal Gateway Dimension – Top View …………………………………………………….. 16 Figure 10 – IoTPortal Gateway Dimension – Side View…………………………………………………… 16 Figure 11 – IoTPortal Gateway Dimension – Bottom View……………………………………………….. 16

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Appendix C Revision History

Document Title: Document Reference No.: Clearance No.: Product Page: Document Feedback:

IoTPortal Gateway Datasheet BRTSYS_000007 BRTSYS#002 https://brtsys.com/iotportal/ Send Feedback

Revision Version 1.0 Version 1.1 Version 1.2
Version 1.3
Version 1.4

Changes
Initial Release
Document migrated to BRTSys
Updated the following HVT references to Quad T-Junction; Singapore address
Added a note related OTA under Section 7.1
Updated Section 3. Specifications

Date 27-10-2021 14-09-2022 11-09-2023
05-02-2024
04-09-2024

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