Siemens X-400 technical specifications Media Modules, Covers, Dummy Cover, Available Module Types

Media Modules, Covers, Dummy Cover 4

4.1Media 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	Procedure	Cabling	Connec-	Segment	Wave-
Type			tor	Length	length
MM491-2	100Base-FX	Multimode	BFOC	3 km	1310 nm
MM491-2LD	100Base-FX	Single	BFOC	26 km	1310 nm
		mode
MM492-2	1000Base-SX	Multimode	SC	750 m	850 nm
			duplex
MM492-2LD	1000Base-LX	Single	SC	10 km	1310 nm
		mode	duplex

Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches	49
C79000-G8976-C186-03