Siemens SCALANCE X-400 Operating Instructions Manual page 57

CV490 2x100
Slots 6 and 7 are solely for the fast Ethernet media modules MM491-2 and
MM491-2LD. The basic device does not provide any ports on these slots.
Figure 4-8
Displays of the Cover
The LEDs of the CV490 2x100 cover have no function.
Further Slots for the CV490 2x100 Cover
Use the CV490 2x100 cover not only for the SCALANCE X414-3E but also for slots
12 through 15 of the media module extender EM496-4 if no media modules are in-
serted.
Figure 4-9
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
Slots 6 and 7 for cover CV490 2x100
Slots 12 through 15 for cover CV490 2x100 on
media module extender EM496-4
Media Modules, Covers, Dummy Cover
57