
Boards for HiPath 3000
P31003-H3560-S403-54-7620, 09/05
3-72
HiPath 3000 V6.0, HiPath 5000 V6.0, Provisional Service Manual
boards.fm
Central Boards
3.2.18
UPSC-D
Introduction
The UPSC-D S30122-K5660-M300 board (Figure 3-27) is used in HiPath 3550 and HiPath
3350 (wall housing).
This module supports power supply and battery management functions. No other components
are required if it is operated as an AC power supply. To maintain short-term battery emergency
operation after a power failure, that is, to use uninterruptible power supply functions, you must
also connect a battery pack.
If the power supplied by the UPSC-D is insufficient, an external
power supply can be
installed to provide additional power. For this, the EPSU2’s DC connection needs to be con-
nected to the special -48 VDC input on the UPSC-D. The UPSC-D’s internal -48-V output is de-
activated when the external power supply is connected.
Licensed battery pack
S30122-K5928-X (48 V (4 x 12 V)/1.2 Ah battery pack)
This is the only battery pack released for connection to UPSC-D.
7
Warning
The UPSC-D power supply unit is only released for permanent AC power supply.
Permanent operation at a direct-current system is not allowed.
A DC power supply unit is only connected to bridge an AC power failure (emergency
battery operation).
If a 48-V direct-current system is being used instead of a battery pack for DC power
supply, connection must be performed as for a battery pack. The 48-V direct-current
system must not exceed the limit of 60 V in operating mode, during loading, and
when an error occurs. The direct-current system must not be connected to the
UPSC-D if this cannot be guaranteed.
7
Danger
Do not use 24-V batteries (S30122-K5403-X) in conjunction with UPSC-D as an ex-
plosive gas (hy oxygen) escapes when the battery is overloaded.
Содержание HiPath 3000 V3.0 or later Gigaset M1 Professional
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