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A1.3 TERMINAL STRIP PIN ASSIGNMENTS
Terminal
Strip Pin
1 STC
2 STC
Definition
Supervisory Relay
Trip output for
programmable trouble
conditions. (N.O.)
Connects
To
24-hour trip
zone input on
host C/C.
Status LED
Reference
Function
Enables transmission of programmed supervisory
trouble code:
When fault condition
occurs:
♦
-
AC Power LED OFF
STC LED Flashes 1
time.
AC Power Fail (ACFC).
AC failure detected at 102 VAC.
♦ Low/Missing Battery Condition (LBC) due to:
- Low Battery detected at 11.6 VDC.
STC LED Flashes 2
times.
♦ Line Fault Condition (LFC) due to:
- Improper Telco voltage (LFC) ≤ 18 VDC.
STC LED Flashes 3
times.
♦ No Service Condition (NSC) due to:
- Received Signal Strength ≤ -114 dBm.
STC LED Flashes 4
times.
♦ Radio Communications Failure (RFC) due to:
- RFC1- Failure to receive Link Request Ack after 3
attempts.
OR
RFC2- Failure to receive Link Termination Ack
after 2 attempts.
STC LED Flashes 5
times.
♦ Loss of Telguard Dial Tone Voltage (DTF) due
to: Improper dial tone voltage. ≤ 35 VDC.
2 - BATT
Telguard Battery
negative terminal.
3 + BATT
(12 V)
Telguard Battery
positive terminal.
5 BLANK
6 AC
Telguard
backup battery
Provides 24 to 72 hour battery stand-by for Telguard
depending on battery capacity provided.
Not Used
N/A
Not Used
AC power input.
16.5 VAC 40 VA.
120 VAC
60Hz
unswitched
circuit.
7 AC
56018803
STC LED Flashes 2
times when battery is
low or missing.
None
Provides primary operational power to Telguard and
battery charging circuit.
Page 24
STC LED Flashes 6
times.
AC Power LED ON
when AC is normal.
OR
AC power LED OFF
And
STC LED Flashes 1
time when AC is low
or missing.
© 2000 Telular Corporation