Siemens SIMATIC S7-400 Hardware And Installation Manual page 217

Connecting a Mouse
Connect the mouse to the IF 962-COM interface submodule.
Maximum Cable Length
The following table shows you where the maximum cable lengths of the connecting
cables of the individual devices are. A requirement is a hardware configuration with
interference immunity.
Table 8-6 Maximum Cable Lengths for Operator Panels and I/O Devices
Keyboard
via IF 962-VGA
Monitor
via IF 962-VGA
Printer
via IF 962-LPT parallel port
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
www.gkbpx.com
Device
Assembling the M7-400
Maximum Length
2.5 m
2.5 m
3.0 m
8-35