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3.11 Expanding the FXT Capacity

You can expand the FXT by adding an internal expansion kit and by adding an expansion cabinet. By

adding an expansion cabinet, the total universal slot capacity of the system increases from seven to 29

universal slots.

Preparing the FXT for Expansion

There are two stages to expanding an FXT System: expanding the main cabinet and adding an

expansion cabinet. By adding an expansion kit, you can increase the main cabinet’s capacity to 14

universal slots. By adding an expansion cabinet, you can expand up to 29 universal slots.

When you expand an FXT System, you must first add the following items to the main cabinet:

•

an interface board (replaces the AUX board),

•

a main expansion interface option card (mounted onto the interface board),

•

a CPU card (mounted on a services board),

•

an expansion backplane,

•

a second power supply.

The following chart details the expansion-supporting components.

Expansion-Supporting Components Product Code

CPU Card mounted on a Services Board FXCPU-n, FXSRV-n

Main Interface Option Card mounted on an

Interface Board (this combination replaces

the AUX board)

FXOPT-SCM-1, FXINT-MAUX

Expansion Backplane FXBPX

Adding The Expansion Cabinet

The expansion cabinet includes an expansion cabinet interface board (FXINT-XSRV) with a mounted

expansion interface option card (FXOPT-SCX-1). This arrangement provides an additional 8 slots. To

further increase the port capacity, you can add a modular expansion backplane kit (FXBPX) to the

cabinet and gain an additional 7 slots. (Adding the expansion backplane kit requires that you also add a

second power supply.)

General Description 3 – 13

General Description GCA40–215

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Comdial and FXT Spezifikationen Seite 31