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IRIS-4 Technical Reference Manual.docx 12/01/2023
3.2
The 2xx
Sys LED indications
LED Color
Indication
Yellow
flashing
Not configured or indicating there are current faults
outstanding. See section 9.1, “Trouble report”.
Yellow
constant
Communicating and no current faults (flickers on every poll).
①
= Touchscreen
②
= Serial (TTL) (not supported)
③
= Case tamper switch
④
= Dial capture port screw terminals
⑤
= RS485 screw terminals
⑥
= Pin input screw terminals
⑦
= SIM card holder
⑧
= Cellular antenna socket
⑨
= Ethernet connector
⑩
= DC power screw terminals
⑪
= Relay outputs screw terminals
⑫
= RS232 screw terminals
⑬
= Micro USB connectors
⑭
= Sys LED
