Siemens X-400 Components of SCALANCE, System Description of SCALANCE, Function

System Description of SCALANCE X-400

Components of SCALANCE X-400

The following table shows the components of SCALANCE X-400:

Component	Function						Figure
Basic device consisting	The power module con-
						SWITCHCPU		COVER
of	verts the 24 V input power		SIEMENS			X414-3E		CV490
			SCALANCE		IN4/IN8	SELECT/SETDM2
				F	IN1/IN5	RM
				L1	IN2/IN6	STBY
	into the internal operating			L2	IN3/IN7	DM1
Backplane			X-400
	voltage of the basic de-
Power module
	vice.
DI module
	There are eight digital in-
Switch CPU
	puts for feeding in exter-
		For example SCALANCE X414-3E
Two 1000BaseTX	nal signals.
interfaces	The Switch CPU man-
Twelve 100BaseTX	ages the data traffic. The
interfaces	CPU also has a serial and
Extender interface	an Ethernet port.
Media module fiber-	Expands the basic device
			FO2x1000
optic 1000 Mbps	by two gigabit fiber-optic		MM492-2
				P1
				P2
	ports.

		For example MM492-2
Media module	Expands the basic device
			FO2x1000
100 Mbps	by two fast Ethernet fiber-		MM492-2
				P1
				P2
	optic ports.

For example MM491-2

Twisted pair extender	Expands the basic device
	by eight fast Ethernet
	ports with RJ-45 jacks.

EM495-8

Media module extender Expands the basic device by four slots for fast Ethernet media modules.

EM496-4

Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches	23
C79000-G8976-C186-03