Specifications

October 2012 © British Telecommunications plc 2011
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Output 2
Output 2 normally acts as a control output. This can be switched on and off by issuing the
relevant telemetry command from the ARC.
Telemetry request ID=0, Data=01 sets GPOP2 to low. ID=1, Data=01 sets GPOP2 high.
Output 2 can also become a secondary path fail output if F8 is set to 4.
In this case output 1 behaves as a primary path fail output, and output 2 as a secondary path
fail output.
Figure 12 - connecting a relay module to CTRL output 2. Note that the outputs sink
current when low
Output 3
Output 3 acts as a “Return Path Signalling” (RPS) output.
The output is normally low, but will rise high when input pin 4 is triggered. It will return low
when an acknowledge signal is returned from the Redcare server (ESP). The output has a