Hipath 1120 - Siemens HiPath 1100 Service Manual

Modules
Power Supply Unit (PSU)
Functions
Ring Generator
●
DC voltage source for circuits
●
AC input voltage converter/filter
●
3.7.1

HiPath 1120

Description
Two versions of power supply units are available for the HiPath 1120:
BRA and IM: Supply voltage: 110 - 127 Vac - 50/60 Hz or 220 Vac - 50/60 Hz
●
CND: Supply voltage: 110 Vac - 50/60 Hz
●
RSA: Supply voltage: 220 Vac - 50/60 Hz
●
ARG: Supply voltage: 220 Vac - 50/60 Hz
●
SPA: Supply voltage: 220 Vac - 50/60 Hz.
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PSU Interfaces
Figure 3-32 HiPath 1120 System PSU Connector
PSU Connector Assignments (HiPath 1120)
Contacts
CND
1 Free
2 - 3 8 V
rms
4 - 5 23 V
rms
6 - 7 65 V
rms
3-55
1 ......................... 10
Function
RSA SPA
Free Free
8 V 8 V
rms rms
23 V 23 V
rms rms
42 V 65 V
rms rms
IM
Free
8 V
rms
23 V
rms
40 V
rms
A31003-K1160-S100-03-7620
Service Manual