56033504 © 2007 Telular Corporation
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• No Service Condition (NSC)
: Disconnect the antenna from the Telguard. Check to see that the STC
LED #2 flashes 4 times in 30/60 seconds and the C/C transmits the STC trouble code over the telco line
indicating loss of RF signal strength. Reconnect the antenna and check to see that the STC LED #2
goes off in 30/60-seconds indicating RF signal strength restored.
Note: The Received Signal Strength (RSSI) must be less than -114 dBm in order to cause a NSC
condition. If the Telguard is located in a high signal strength area (close to a cellular tower), it is possible
for the signal strength to be greater than -114 dBm even with the antenna disconnected.
• AC Fail Condition (ACFC)
: Disconnect the 12VAC, 10VA transformer and check to see that the AC
POWER LED goes out and the STC LED #2 flashes once indicating that AC power is missing.
Reconnect the AC transformer and check to see that the AC POWER LED goes on and the STC LED #2
goes off indicating that AC power has been restored. No transmissions will be sent to the central station.
The AC power must be off, continuously, for 2 hours before the STC relay causes the C/C to send a
trouble code. If the AC power is restored for 60 seconds or more, then the 2-hour timer restarts.
5.6 STEP 6: COMPLETE THE TELGUARD INSTALLATION
Last step is to verify settings and permanently mount the Telguard.
5.6.1 Check Settings
Check the jumper setting of J10 (LED mode, “OPEN” = normal, “SHORTED” = RSSI mode).
5.6.2 Permanently Mount and Properly Ground the Telguard Chassis
Attach earth ground to the green grounding screw located on lower left-hand corner of printed circuit board
assembly and permanently mount the Telguard enclosure.
Install center-mounting screws (not supplied). Slide the enclosure onto this screw.
Screw in the remaining two screws in the bottom set of mounting holes.
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