Nortel Networks 1000M - Manual (Page 370)

370 Connecting an external alarm
Procedure 74
Installing an alarm using an alarm port
Step Action
1 Install an analog (500/2500-type) line as described in "Connecting
the telephones" (page 323) .
2 Install an analog (500/2500-type) telephone or other similar alerting
device used as an alarm to the line.
You can assign the set as Model 20.
3 Use LD 15 and make the following changes. Only the prompts
requiring a response are listed. Use a Carriage Return, <CR>, to
accept the default values for the other prompts.
a. Enter CHG in response to the prompt REQ.
b. Enter CDB in response to the prompt TYPE.
c. Enter the customer number (0–99) in response to the prompt
CUST.
d. Enter the DN of the line assigned as an alarm port in response
to the prompt ALDN.
Note: If the DN assigned to the alarm is accidentally called,
the alarm activates. To avoid false alarms, make sure the DN
is not consistent with the assigned numbering.
e. Press <CR> in response to the remaining prompts.
—End—
Alarm through a QUA6 PFTU
A QUA6 PFTU can be used to connect an external alarm through normally
open or normally closed contacts of one of its units. The contacts operate
under the same conditions as the PFTU, and can support the capacities
listed in
Table 72 "AC and DC capacities" (page 370) .
Table 72
AC and DC capacities
AC DC (for cabinet)
Maximum switching power 50.0 V A. 30.0 W
Maximum switching voltage 125.0 V rms 150.0 V
Maximum switching current 0.5 A 0.5 A
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
.