Specifications

Description
3.4 Description of the product
SCALANCE X-400 BA
Operating Instructions, 03/2009, C79000-G8976-C186-07
57
MM492-2LH and MM492-2LH+ and the Fast Ethernet media modules MM491-2,
MM491-2LD and MM491-2LH+ is possible.
Note
This media module can be used as of product version 05 of the SCALANCE X414-3.
This media module is recognized by the SCALANCE X414-3E and SCALANCE X408-2
only as of firmware version 3.0
Properties
The media module provides two ports for connecting the single mode FOC. The signals are
transmitted with a DFB laser diode at a wavelength of 1550 nm. Both ports of the module
can be configured as ring ports. The max. line length is 120 km.
Connector
SC duplex female connectors are used.
3.4.5 SCALANCE X414-3E extender modules
3.4.5.1 Extender for twisted pair EM495-8
Eight additional 100Base-TX ports
Note
The EM495-8 extender module can be used only in connection with the SCALANCE X414-
3E.
The SCALANCE X408-2 has no port for an extender module.
The extender module for twisted pair transmission provides an additional eight ports for
connecting twisted pair cables. The TP cable is attached to an 8-pin RJ-45 jack with securing
collar.
Note
The twisted pair extender CANNOT be installed during operation.
The transmission rate of the Ethernet ports is 10 Mbps or as a Fast Ethernet port 100 Mbps.
No media module is required for data transfer with this extender module.