8
The Gateway Board’s Layout
2.3.1 Connecting Interfaces
Figure 2.1
uses numbered labels to show the location of the interfaces for connections. This manual uses
these numbered labels at various places for your convenience.
The table below uses these numbered labels to describe the type and usage of the interfaces.
Table 2.1: Gateway Interface Details
Label
No.
Interface Type Usage
1 Ethernet 1 Primary Ethernet port that can permanently connect the gateway board with
the CLSS Cloud services.
Cable: CAT 5 standard Ethernet cable with RJ45 connector
2 Ethernet 2 Secondary Ethernet port providing a TCP/IP connection to one of the
compatible Notifier panel.
Cable: CAT 5 standard Ethernet cable with RJ45 connector
3 RS485B For future use
4 RS485A For future use
5 UART/TTL Connects the gateway board to a UART/TTL-compatible fire alarm panel.
This connection enables the fire alarm panel to send the alarm data and
device data to the gateway.
6 NUP (RS232) Transfer of fire-related and device-related data from the panel to Cloud
through the gateway. It also helps in administering the fire detection system.
Connects the gateway board to one of the following:
• An NFN network control module (NCM, NCM-2, or HS-NCM)
• A Notifier panel
If the connected panel supplies power, the gateway would get power from the
panel through the NUP port.
7 Power Connects to an external 24-volt DC power when required. It uses a power-
limited, regulated, power-supply-listed connection for fire-protective
signaling.
It is used only when the gateway board is connected with:
• A network card, or
• A Notifier panel through USB
8 USB Transfer of fire-related and device-related data from the panel to Cloud
through the gateway. It also helps in administering the fire detection system.
Connects to a Notifier panel
9 Wireless
Antennas
Enables the gateway to have a wireless or mobile Low Energy Antennas for
communication with Cloud
10 Cellular Enables the gateway to report alarms and supervision messages to a central
receiving station. It is a 40-pin expansion slot for an LTE communicator.
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