Alarm Through A Qua6 Pftu - Nortel Meridian 1 Planning And Installation Manual

Page 342 of 590

Alarm through a QUA6 PFTU

553-3021-209 Standard 1.00
Chapter 19 — Connecting an external alarm
3 Use LD 15 and make the following changes.
Note: The following list only contains the prompts requiring a
response. Use a Carriage Return, <CR>, to accept the default values
for the other prompts.
a) Enter CHG in response to the REQ prompt.
b) Enter CDB in response to the TYPE prompt.
c) Enter the customer number (0-99) in response to the CUST
prompt.
d) Enter the DN of the line assigned as an alarm port in response to
the ALDN prompt.
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 return in response to the remaining prompts.
—————————— End of Procedure ——————————
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 66.
Table 66
AC capacities
Maximum switching power
Maximum switching voltage
Maximum switching current
Figure 71 on page 343 shows an example of the contacts on one unit (PFT1)
of the PFTU. Figure 71 shows the contacts in normal operating mode, not in
failure mode. Table 67 on page 344 provides the connections for all units on
the PFTU.
July 1999
AC capacities
50.0 V A.
125.0 V rms
0.5 A