Pft1 (Not For U.s.), Pft4 (Not For U.s.) - Siemens HiPath 3000 Service Manual

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3.4.12

PFT1 (Not for U.S.), PFT4 (Not for U.S.)

Introduction
In the event of a power failure or system error in HiPath 3800 and HiPath 3750, up to
1 analog trunk with a PFT1 (Power Failure Transfer) board
4 analog trunks with a PFT4 board
can be transferred (ALUM) to designated analog telephones (Figure 3-152).
When using an analog telephone for outgoing calls, you may need to adapt its signaling method
to match the signaling method of the connected trunk.
ALUM using PFT1/PFT4
PFT
Figure 3-152
ALUM Using PFT1/PFT4 (Not for U.S.)
P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
TRUNK
a
b
R
E
L
A
I
S
SLA
SLB
Analog telephone
TMB
Trunk circuit
TMA
SMA
Analog station board
(optional)
SMB
boards.fm
Boards for HiPath 3000
Options
3-343

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