Siemens SCALANCE X-300 Series Operating Instructions Manual page 63

Possible attachments (example)
Use only approved media modules in the module slots
The connection of end devices or other network segments does not depend on the module
slot, but rather on the selected media module.
Refer to the section Media module installation in slot.
Example of connections
Figure 4-15
Column
Slot number
Media
modules used
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
CAUTION
SCALANCE X308-2M with MM992-2 and MM991-2
1
-
4.4 Product properties and device views
2 3
- S1
MM992-2
Description of the device
4
S2
MM991-2
63