Nortel Meridian 1 Succession 1000M Installation And Configuration Manual page 263

PFTU control lead signals
To connect PFTUs from other manufacturers, use the information provided
in Table 30.
Table 30
PFTU control lead signals
NTAK1104
AUX cable lead
BRTN
BRTN
-48V AUX
PFTS
Note 1: Refer to Figure 107 on
Auxiliary cable connects to the Cabinet system. Refer to Figure 107 on
page 260
Chassis system.
Note 2: If power is removed from the QUA6, a transfer of the PFTU can
occur.
Installing Power Failure Transfer Units
Lead State when PFTU is
in non-transferred state
GROUND
GROUND
-48V dc (250 mA max.)
OPEN
to see where the Auxiliary cable connects to the
Small System
Lead State when PFTU
is in transferred state
-48V dc (250 mA max.)
page 260 for an illustration of where the
Installation and Configuration
Page 263 of 562
GROUND
GROUND
GROUND