Siemens HiPath 3000 Service Manual page 428

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Boards for HiPath 3000
Options
Connector assignment
To CB
X7: Edge connector
25-pin
TxD
RxD
RTS
CTS
DSR
DTR
Vcc
GND
Figure 3-165 V.24 (RS-232) Connector Assignment, HiPath 3550 and HiPath 3350
Table 3-168 Pin Assignments of the V.24 Socket X2
Connector X2
2
3
4
5
6
20
7
No other pins in connector X2 are used.
3-362
TTL/RS-232
Level-converter and
electrical isolation
Signal
TxD
RxD
RTS
CTS
DSR
DTR
0V
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
X2: Sub-D jack,
25-pin
RxD
TxD
CTS
RTS
DTR
DSR
0V
I/O
O
I
O
I
I
O
12000 -
12100
P31003-H3550-S403-4-7620, 02/05