beautypg.com

Siemens S5-135U/155U User Manual

Page 249

background image

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