Siemens 670 V2 Operating Instructions Manual page 22

Description
3.5 Options
Computer unit-control unit connecting cable
For data exchange in the decentralized design, connect the remote module and the host
module with the up to 20 meters long green connecting cable.
Caution
Do not open the plug of the connecting cable and do not undo the connecting cable.
Otherwise the HF properties of the connecting cable will become irreversibly altered. Perfect
functioning is then no longer guaranteed.
Figure 3-4
Features
Connector type
Connector design
3-6
Cable for connecting control unit and computer unit
Cable connector at the computer unit
15pol. Sub-D male connector
45° angle
Cable connector at the control unit
15pol. Sub-D jack plug
straight
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
Panel PC 670 V2/870 V2, Control unit