Specifications

October 2012 © British Telecommunications plc 2011
Page 35
Should the unit lose connectivity with the Redcare platforms, or lose registration with the
current base station, then the unit will roam onto the next available GPRS network.
Remote commands to the unit
The ARC can issue telemetry commands to the unit, with the ID and Data fields set as below
to perform the listed functions.
Function
ID
Data
Switch GPOP2 (CTRL) High
0
01
Switch GPOP2 (CTRL) Low
1
01
Perform a F175 path test (event and restore
cycle)
1
00
Operate the PSTN to Dial cap bypass relay
(Offline)
1
02
Release the PSTN to Dial cap bypass relay (On
line)
0
02
Figure 20 - reverse telemetry commands from ARC
The ARC can also poll the unit over GPRS or IP to check that the path is currently available.
Additionally, Redcare helpdesk staff can access the following commands.
 Manual Poll to the unit over IP or Wireless.
 Retrieve the wireless details from the unit.
 Operate or release the PSTN to Dial cap bypass relay. (Offline/online)
 Send a test alarm. (user test).
 Send a dual path test. (F175 test)
 Restart the unit.