Power; Distance Limitations; 2500-Series Dsu Price Element Codes (Pecs); Additional Documents - AT&T Callmaster Series Reference Manual

Terminals and adjuncts for definity 75 and definity 85
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2500-Series Data Service Unit (DSU)
selectable subrates of 2.4, 4.8, or 9.6 kbps. When used as a LAD, they can also be
optioned for 19.2 and 64 kbps operation.

Power

The stand-alone units are provided with a WP90131-L2 power pack. This power pack is plugged
into a 115-volt AC wall receptacle not under the control of a wall switch. The multiple-mount
housing is provided with a 6-foot power cord that is plugged into a 115-volt AC wall receptacle not
under control of a wall switch. Each DSU that is to mounted into the multiple-mount housing is
equipped with a WP90131-L1 power pack that is plugged into the power strip on the rear of the
housing.

Distance limitations

The 2556A, 2556B, and 2556C DSUs may be located a maximum distance of 50 feet from the
DTE. The 2596A, 2596B, and 2596C DSUs may be located a maximum distance of 100 feet
from the DTE.

2500-Series DSU Price Element Codes (PECs)

The 2500-Series DSUs and optional components can be ordered using the following PECs:
2556A Data Service Unit—2225-56A
2596A Data Service Unit—2225-96A
2556B Data Service Unit—2225-56B
2596B Data Service Unit—2225-96B
2556C Data Service Unit—2225-56C
2596C Data Service Unit—2225-96C
2500-Series Multiple-Mounting Housing—22253
2600-Series Multiple-Mounting Housing—22263

Additional Documents

The following document contains additional information relating to the 2500-Series Data Service
Unit:
2500-Series Data Service Unit User's Manual , 999-100-188
5-94

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