Nortel-networks 1000M Manual de usuario Pagina 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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