DS-C2O-3 Datasheet, PDF (3/8 Pages) rfsolutions.ltd – Easy to Configure using SMS commands.

Onboard LED’s Indication / Signal Strength
There are four LEDs on the circuit board. The Green LED indicates power is applied
The three Red LEDs indicate the status of C2O as below
During Initialisation After Power UP
RED LED Action
Description
LED’s illuminate alternately
Power-up initialisation (can take many seconds)
All LED’s flash together
No network found
Normal Operation
RED LED Action
No LEDs
One LED on Steady
Two LEDs on Steady
Three LEDs on Steady
Description
No signal
Low signal strength
Medium signal strength
High signal strength
When Transmitting or Receiving a TEXT
RED LED Action
One LED Flashing
TWO LED’s Flashing
Description
SMS being Received
SMS being Transmitted
Changeover Contact Outputs
Two relay outputs are provided on C2O and C2O-DIN, which provide a ‘switch’ output as below.
Relay Connections when
NOT Operating
Relay Connections when
OPERATING
Power Connections
The C2O unit can be powered from 12 or 24Vdc, a mains power supply is also available. Power
is connected via the Power Screw Terminal.
DS-C2O-3