Nortel Networks 1000E Installing and connecting a third-party Pftu, Brtn Ground, Pfts Open Ground

Installing and cross-connecting a Power Fail Transfer Unit Page 447 of 488

Installing and connecting a third-party PFTU

Follow the equipment manufacturer’s instructions for installing the PFTU. Use the information in Table 57 to connect a third-party PFTU.

Table 57

PFTU control lead signals

	Lead State
NTAK1104 AUX	When PFTU is in	When PFTU is in
cable lead	non-transferred state	transferred state
BRTN	GROUND	GROUND
BRTN	GROUND	GROUND
-48V AUX	-48V DC (250 mA max.)	-48V DC (250 mA max.)
PFTS	OPEN	GROUND

Note 1: Refer to Figure 152 on page 444 to see where the Auxiliary cable connects to the CS 1000E system.

Note 2: If power is removed from the QUA6, a transfer of the PFTU can occur.

Communication Server 1000E Installation and Configuration