Siemens S5-135U/155U User Manual
Page 521
11-9
System Manual
C79000-G8576-C199-06
Connector assignments of the power supply units
The terminals for the supply lines between the power supply unit and the
backplane are in an 8-way connector (Connector X1) at the rear of the unit.
The following figures show the connector assignments.
5V/18A power supply units
Pins 4 to 6 are not fitted.
1
2
3
4
5
6
7
8
M2 (0V)
5V/18A
5V/40A power supply units
1
2
3
4
5
6
7
8
M2 (0V)
5V/40A
The signal terminals of the power supply unit are in a 37-way connector
(Connector X2) at the rear of the unit.
The following figure shows the connector assignments. Pins 8 and 9 are
reserved.
M2 (0V)
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
RESETA
DSI
GEP
NAU
24V
BASPA
U-BATT
RESET
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
+15V
BAU
reserved
Connector X1
Connector X2
Connector Assignments