Siemens HiPath 1120 - Page 53

Service Manual
3-53
Modules
Motherboard (MB)
Motherboard Connector assignments - HiPath 1120
Table 3-4 HiPath 1120 MB Connector assignments
Contact X14 Connector X20 Connector X30 Connector X40
Connector
Battery
1 a1 - trunk 1 a1 - extension 1 a5 - extension 5 C-interface 1 Supplies power
for maintaining
the system’s
date and time
settings in the
event of a power
outage.
2 b1 - trunk 1 b1 - extension 1 b5 - extension 5 D-interface 1
3 a2 - trunk 2 a2 - extension 2 a6 - extension 6 C-interface 2
4 b2 - trunk 2 b2 - extension 2 b6 - extension 6 D-interface 2
5 a3 - extension 3 a7 - extension 7 C-interface 3
6 b3 - extension 3 b7 - extension 7 D-interface 3
7 a4 - extension 4 a8 - extension 8 C-interface 4
8 b4 - extension 4 b8 - extension 8 D-interface 4
X1 Connector X2 Connector X50 Connector X60
Connector
X70 Connector
Ribbon cable for
modules
Additional ribbon
cable for EB-U
P0/
E
USB
interface
V.24 serial
interface
Power Supply
Unit (PSU)
X90 and X91
Connector
X92 Connector X93 Connector X94
Connector
X95 Connector
For a VCC
module
For an EVM
module
CTR U
P0/E
For Music
module
For LAN
Interface
module