Em496-4 Extender For Media Modules - Siemens SCALANCE X-400 Operating Instructions Manual

3.4.5.2

EM496-4 extender for media modules

Four additional slots for media modules
Note
The EM496-4 extender module can be used only in conjunction with the SCALANCE X414-
3E.
The SCALANCE X408-2 has no port for an extender module.
By adding the media module extender, the basic device is extended by four slots that you
can equip with the following modules as required:
● MM491-2
● MM491-2LD
● MM491-2LH+
If you use all slots, you have an additional eight optical Fast Ethernet ports available (100
Mbps).
Note
Installation of the media module extender and removal or insertion of the media modules is
NOT possible during operation.
You require at least one media module for data transfer over this extender module.
Mixed operation in slots 12 through 15 with MM491-2, MM491-2 LD and MM491-2LH+
modules is possible. The media module plug connectors are protected by protective caps.
Connector
Depending on the media module, the connectors used are 2x2 BFOC sockets or SC duplex
sockets.
Figure 3-29 Basic device with media module extender
SCALANCE X-400
Operating Instructions, 06/2015, C79000-G8976-C186-12
Description
3.4 Description of the product
63