Siemens X-400 - Manual (Page 45)

Product Description of SCALANCE X-400
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
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A device with an accepted C-PLUG (ACCEPTED status) inserted uses the configu-
ration data of the C-PLUG automatically when it starts up. Acceptance is possible
only when the data was written by a compatible device type.
This allows a basic device to be replaced quickly and simply. The C-PLUG is taken
from the failed component and inserted in the replacement. The first time it is
started up, the replacement device has the same configuration as the failed device
except for the MAC address set by the vendor.
Notice
If the SCALANCE X414-3E is replaced, the settings of the DIL switches on the
Switch CPU and the configuration with media modules or extender modules must
be duplicated.
Diagnostics
Inserting a C-PLUG that does not contain the configuration of a compatible device
type, accidentally removing the C-PLUG or general malfunctions of the C-PLUG
are signaled by the diagnostics mechanisms of the device (LEDs, WEB-based
management, SNMP and CLI).