2 media module extender em496-4, Four additional slots for media modules, Connector – Siemens X-400 User Manual
Page 63: Extender modules, The connectors are 2x2 bfoc sockets
Extender Modules
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
63
5.2
Media Module Extender EM496-4
Four Additional Slots for Media Modules
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
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 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 and MM491-2LD modules is
possible. The media module plug connectors are protected by protective caps.
Connector
The connectors are 2x2 BFOC sockets.
F
L 1
L 2
R M
S T B Y
D M 1
D M 2
I N 1 / 5
I N 2 / 6
I N 3 / 7
I N 4 / 8
P 1
P 2
P 1
P 2
P 1
P 2
P 1
P 2
P 3
P 4
P 1
P 2
P 3
P 4
P 1
P 2
P 3
P 4
P 1
P 2
P 1
P 2
P 1
P 2
P 1
P 2
2
3
4
1 1
8
9
1 0
7
6
5
1 5
1 2
1 3
1 4
Figure 5-3
Basic device with media module extender