Introduction
1
Purpose of the Operating Instructions
These operating instructions support you when installing and connecting up devices of the
SCALANCE XM-400 product group.
The conguration and the integration of the device in a network are not described in these
operating instructions.
Validity of the Operating Instructions
These operating instructions apply to the following devices:
• SCALANCE XM408-4C
• SCALANCE XM408-8C
• SCALANCE XM416-4C
Unless mentioned otherwise, the descriptions in these operating instructions refer to all devices
of the SCALANCE XM-400 product group named above in the section on validity.
Designations used
Classication Description Terms used
Product line The product line includes all devices and variants of all product groups.
If information applies to all product groups within the product line, the term
SCALANCE X-400 is used.
SCALANCE X-400
Product group If information applies to all devices and variants of a product group, the term
SCALANCE XM-400 is used.
SCALANCE XM-400
Device If information relates to a specic device, the device name is used. SCALANCE XM408-4C
SCALANCE XM408-8C
SCALANCE XM416-4C
Additional documentation
In addition, note the Operating Instructions of the extenders and pluggable transceivers.
When working with the port extender PE408PoE, note the documentation of the PoE power
supplies SCALANCE PS9230 PoE and SCALANCE PS924 PoE.
SCALANCE XM-400
Operating Instructions, 03/2021, C79000-G8976-C306-10 5