Siemens S5-135U/155U - Manual (Page 249)

5-109
System Manual
C79000-G8576-C199-06
Standard cables for connecting the TTY submodule in the CPU to the partner
station are available from Siemens in various lengths, up to 1000 m.
Order numbers and lengths can be found in the ordering information.
Connecting cable for CPU, CP 524, CP 525, CP 544
CPU, CP 524/525, CP544
Transmitter
+24V
+24V
Transmitter
Shield
+RxD
–RxD
+20mA
+TxD
–TxD 13
14
21
10
19
1
+RxD
–RxD
–20mA
+TxD
–TxD
–20mA 12 +20mA
Receiver
Receiver
Housing, GND Housing, GND
1
19
10
12
14
13
21
CPU, CP 524/525, CP 544
Figure 5-22 TTY Submodule: Connecting cable for CPU, CP 524, CP 525, CP 544
Standard Connect-
ing Cables for the
TTY Submodule
CPUs, Memory Cards, Memory Submodules, Interface Submodules