Nortel Networks 1000E User Manual
Installing and cross-connecting an external alarm from a PFTU
Page 457 of 488
Communication Server 1000E
Installation and Configuration
Installing an alarm through QUA6 PFTU connections
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 61.
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 61.
is an example of the contacts on one unit (PFT1) of
the PFTU. The figure also shows the contacts in normal operating mode, not
in failure mode. Table 62 on
in failure mode. Table 62 on
provides the connections for all units
on the PFTU.
Table 61
The AC capacities
The AC capacities
Maximum
AC capacities
Switching power
50.0 V A
Switching voltage
125.0 V rms
Switching current
0.5 A