Siemens SIMATIC NET SCALANCE X-300M Compact Operating Instructions page 15

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 3-2
Column
Slot number
Media
modules used
Port number
Connection type
SCALANCE X-300M
Compact Operating Instructions, 10/2014, A5E02630801-06
CAUTION
SCALANCE X308-2M with MM992-2 and MM991-2
1
-
-
-
-
-
-
2 3
- S1
MM992-2
P1 P5
P2
P3 P6
P4
Optical: Connection type depending on module
used
Gigabit Ethernet
Description
3.3 Product group X-300M
4
S2
MM991-2
P7
P8
15