Infinite Peripherals SCOM-100 - Manual (Page 36)

SCOM-100, User guide 36
8.4 Status LED indications
8.4.1 Main unit
LED Indication
POWER Presence of power supply voltage
NETWORK Blinking upon successful registration the GSM provider’s network
S/R SMS Turns on during SMS receive or transmit
ERROR
• Turns on after start up:
SIM card error
Modem error
Missing I/O expansion module
Excessive EM noise or hardware error
• Turns on during operation
Modem error
Excessive EM noise or hardware error
STATUS ON: RUN (Control) state
Blink: MONITOR state
OFF: STOP state
READY Blinking slowly: The unit starts up after power up (approx. 1 minute)
Blinking fast: The unit starts after holding the start up button pressed during power
up: Initialization process (approx. 1 minute)
On: Unit start up completed OK
Off with ERROR LED off: No user administrator found in SIM
Off with ERROR LED on: See ERROR LED
8.4.2 GE-DIO-42 Digital I/O expansion
LED Indication
POWER Presence of power supply voltage
RST
Digital output reset during STOP or MONITOR status
8.4.3 GE-AI4 Analog Input expansion
LED Indication
POWER Presence of power supply voltage
RST
Digital output reset during STOP or MONITOR status
AI 1-4 Low, High Alarm indications