DSC PC4020 Installation Manual page 52

Display Trouble Condition
Alt. Comms FTC The alarm control panel can no longer communicate
Trouble with the central monitoring station. The trouble is
generated after the programmed failed communica-
tion attempts. If a later attempt to communicate is
successful, the trouble is cleared.
Alt. Comms The alternate communicator has been disabled
Remote Shut- by the central station.
down
Alt. Comms
Encrypt Disabled
Alt. Comms Gen- One of the following conditions has occurred:
eral TX TBL • Radio not responding
• Not connected to central station
• No service
• Unstable signal
Alt. Comms TBL An unidentified trouble has occurred, XX is the trou-
XX ble number. Please see the appropriate alternate com-
municator manual for details.
Alt. Comms Low The received signal strength is low, XX is the signal
Signal XX strength.
T-Link Network A communication problem has occurred between the
Fault T-Link and the network.
T-Link Receiver When the T-Link module cannot communicate with
Trouble the receiver on the TCP/IP network.
T-Link Communi- When the T-Link module cannot communicate with
cations Fault the PC4020 on the PC-Link connection.
Seismic Trouble When zone types of this kind have failed a seismic test
this trouble will be displayed (see section 11 - PGM
Output types).
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