Siemens Simatic M7-400 Reference Manual page 391

Plugging in the Connecting Cable
To plug in the connecting cable, follow the steps outlined below:
1. Open the cover of the IM 463-2.
2. Plug the new connector of the connecting cable into one of the connectors of
the IM 463-2.
Interface C1 corresponds to the upper connector; interface C2 corresponds to
the lower connector.
3. Screw the connector of the connecting cable onto the connector of the
IM 463-2.
4. Close the cover.
Selecting the Interface
You select the interface with the selector switch on the front plate. Set the
interface(s) here that you want to use. Make the settings on the IM 463-2 only
when the CPU is in STOP mode.
Selecting the Cable Length
You select the cable length with the selector switch on the front plate. Set the range
corresponding to the chain length. Make the settings on the IM 463-2 only when
the CPU is in STOP mode.
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
IM 463-2
7-7