Figure 113 power fail transfer, Table 32 pftu control lead signals – Nortel Networks 1000M User Manual

Page 234

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234

Installing Power Failure Transfer Units

Figure 113
Power fail transfer

—End—

PFTU control lead signals

To connect PFTUs from other manufacturers, use the information provided
in

Table 32 "PFTU control lead signals" (page 234)

.

Table 32
PFTU control lead signals

NTAK1104

AUX cable lead

Lead State when PFTU is

in non-transferred state

Lead State when PFTU

is in 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 111 "Auxiliary port location on cabinet" (page

232)

for an illustration of where the Auxiliary cable connects to the

Cabinet system. Refer to

Figure 111 "Auxiliary port location on cabinet"

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

.

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