Siemens Hicom 112

Main module - motherboar
d
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
3-11
Overview of modules
Figure 3-4 Motherboard interfaces (as of SW 2.0.2)
X1
X2
SIC
X3
X4
Options bus
MB
U
P0/E
ports
1...6
X10
a/b ports
1...4
EXM / MPPI
3 and 4
1 and 2
PSU/UPS
1
8
1
4
5
12
1
10
V. 24 adapter
Not assigned for MB2/4
X11
MDF side
PSU/UPS side
GND
Plug connector as
of SW 2.0.2
System
expansion
9–12 not assigned
for MB4/4
X12 advance provisioning
Switching network
expansion
for expansion
board