3Com S27x, S26x, S24x installation manual Cabling T1/E1 Card to DSPM/SM Cards

Hardware Components

Cables Required No cables ship with the DSPM/SM card; however, the DSPM/SM card must be cabled to the T1 or E1 dual port digital interface using a Multi-Vendor Integration Protocol 40-pin ribbon cable, as Figure 1-14shows.

To support 12 voice channels, for instance, you need three DSPM/Server Module cards.

Note: The DSPM/SM card with
the jumpers set to the installed
position must be located furthest
away from the E1 or T1 card, the
top card, as shown in this figure.	®

MVIP 4-Position Cable DSPM/SM

T1 or E1

Restricted to Slot 8

Figure 1-14. Cabling T1/E1 Card to DSPM/SM Cards

About the PathBuilder S24x, 26x, and 27x switch 1-25