Power supply (PSU/UPS
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
3-35
Overview of modules
Figure 3-24 PSU/UPS circuitry
Danger
The heat sinks in the power supply unit are directly connected to the mains. Always
unplug the mains plug before opening the PSU housing.
Contacts
solder side
Contacts
component side
Port X6
12 GND
34 GND
56 - 48V
78 - 48V
910 75VAC
11 12 GND
13/15 14 GND
17 16 + 5V
19 18 + 5V
21 20 + 5V
22 not assigned
23 24 GND
25 26 GND
Table 3-28 Contact assignment of PSU/UPS1 and PSU/UPS2
!
PSU/UPS
1
26
PSU/UPS1
PSU/UPS2
X6
Screw connection
Screw connection
to system
MB
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