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About the PathBuilder S24x, 26x, and 27x switch 1-25
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 1-14 shows.
To support 12 voice channels, for instance, you need three DSPM/Server Module
cards.
Figure 1-14. Cabling T1/E1 Card to DSPM/SM Cards
DSPM/SM
T1 or E1
Restricted to Slot 8
MVIP 4-Position Cable
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. ®