Siemens X-400 - Manual (Page 49)

Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
C79000-G8976-C186-03
49
Media Modules, Covers, Dummy Cover
4
4.1 Media Modules
Available Module Types
The following media modules are available to expand the basic device:
● MM491-2 (100 Mbps)
order number: 6GK5 491-2AB00-8AA2
● MM491-2LD (100 Mbps)
order number: 6GK5 491-2AC00-8AA2
● MM492-2 (1000 Mbps)
order number: 6GK5 492-2AL00-8AA2
● MM492-2LD (1000 Mbps)
order number: 6GK5 492-2AM00-8AA2
By using media modules, you can increase the number of available ports in the
basic device SCALANCE X414-3E from 14 to 18. On six ports, data transmission is
also possible over fiber-optic cable instead of TP cable.
Module
Type Procedure Cabling Connec-
tor
Segment
Length Wave-
length
MM491-2 100Base-FX Multimode BFOC 3 km 1310 nm
MM491-2LD 100Base-FX Single
mode
BFOC 26 km 1310 nm
MM492-2 1000Base-SX Multimode SC
duplex 750 m 850 nm
MM492-2LD 1000Base-LX Single
mode
SC
duplex 10 km 1310 nm