Siemens SIMATIC CP 340 User Manual page 179

20mA-TTY connecting cable (S7 (CP 340) - CPU 944/AG 95)
The figure below illustrates the connecting cable for a point-to-point connection between a
CP 340 and a CPU 944/AG 95.
For the connecting cables you will require the following male connectors:
● At the CP 340 end: 9-pin sub D male connector with screw-locking
● At communication partner: 15-pin sub D male connector with shift latch
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03
Figure B-13 20mA-TTY connecting cable CP 340-CPU 944/AG 95
B.2 20 mA TTY interface on the CP 340-20mA-TTY
Connecting Cables
179