Siemens S5-135U/155U - Manual (Page 240)

5-100
System Manual
C79000-G8576-C199-06
A maximum of 19200 bps is permissible for data transmission with the V.24
submodule.
The following table shows the pin assignments of the 25-pin subminiature
D-type connector in the front plate of the V.24 submodule:
Pin Des. to
DIN
66020 Des. to
CCITT
V.24 Int. Abbre-
viation Input/
Output Remarks
25
13
1 Shield
25
2 D1 103 TxD Output
3 D2 104 RxD Input
4 S2 105 RTS Output
5 M2 106 CTS Input
6 M1 107 DSR Input
7 E2 102 GND
8 M5 109 DCD Input
18 PS3 141 Output Not supported
14
1
20 S1.2 108.2 DTR Output
1
22 M2 125 RI Input
23 S4 111 Output
25 PM1 142 Input Not supported
The signal numbering complies with DIN 66020 (V.24/RS 232C); the signal
designations are the abbreviations used internationally (RS 232C).
Data Transmission
Rate
Pin Assignments
of the V.24
Submodule
CPUs, Memory Cards, Memory Submodules, Interface Submodules