3Com S26x, S27x, S24x installation manual DSPM/SM Card, Step Action

	Hardware Components
DSPM/SM Card
Introduction
	The Digital Signal Processing Module/Server Module (DSPM/SM) supports T1 or
	E1 dual port digital PBX interface cards.
Description
	The DSPM/SM card, used at nodes with digital PBX interfaces, compresses four
	digital voice channels. It has no external I/O capabilities.
Function
	PCM voice and voice signaling, brought into the PathBuilder S24x, 26x, and 27x
	switch node by the T1/E1 cards, is routed to a DSPM/SM card over the MVIP bus for
	compression and transmission to the remote end.

When You Receive When you receive a DSPM/SM card, do the following:. the Card

Step		Action
1	Remove the card from the packing material.
2	Inventory the contents of the shipping container.
		Note
	No cables are shipped with the DSPM/SM card. The appropriate
	Multi-Vendor Integration Protocol 40-pin ribbon cable and other cables
	ship with the T1 or E1 dual port digital interface cards.
3	Power off the PathBuilder S24x, 26x, and 27x switch node.
4	Install the card into the PathBuilder S24x, 26x, and 27x switch node.
5	Cable the card to the T1 or E1 dual port digital interface cards as
	required.

About the PathBuilder S24x, 26x, and 27x switch 1-23