Siemens X-400 Product Description of SCALANCE, Slots 6 and, Slot 9 through

Product Description of SCALANCE X-400

The modules in the individual slots have the following function (slot 1 is reserved for a power supply unit):

●Slot 2

Power module

The input voltage of 24 V DC is transformed to the internal supply voltage. The module has two 4-pin sockets for connecting a redundant power supply and for connecting the signaling contact and protective earth.

●Slot 3

Digital input module

The input module has two 5-pin sockets for connecting eight digital inputs that allow different signaling modes.

●Slot 4

CPU module

-Contains the processor that provides the management functionality.

-C-PLUG for storage of parameter assignment.

-DIL switch for the redundancy manager function and to specify the ring ports.

-SELECT/SEL button for switching over the display modes, for resetting to the factory default settings and to define the fault mask.

-LED display of the display modes DMode A through DMode D.

●Slot 5

Contains two RJ-45 jacks allowing attachment of electrical (twisted pair) con- nections (10, 100, 1000 Mbps).

As an option, slot 5 allows the use of an optical gigabit module with two ports (1000Base-SX or 1000Base-LX).

●Slots 6 and 7

Optional use of two optical fast Ethernet modules (100 Mbps) each with two ports (100Base-FX).

●Slot 8

No function in system.

●Slot 9 through 11

Each contains four RJ-45 jacks allowing attachment of 12 electrical (twisted pair) connections in total (10, 100 Mbps).

These cannot be used by media modules.

Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches	37
C79000-G8976-C186-03