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DCP Mode 1 Networks — 56 Kbps 4-7
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• System 85
— The switch must be R2V3 or R2V4
— All tone detectors must be at least an SN255.
• DEFINITY Generic 2
— Any release will support static 56 Kbps access.
— For universal modules, the detector must be a TN748C (V4 or later). For traditional modules, the
detector is a SN255.
Dynamic Access Switch Requirements
The requirements for networking AUDIX systems via dynamic 56 Kbps facilities depend on the customer
premise switch:
• System 75
— The switch must be R1V3 2.1 or later.
— All tone detectors must be TN748C (V4 or later).
• DEFINITY Generic 1 and Generic 3
— Any release will support dynamic 56 Kbps access.
— All tone detectors must be TN748C (V4 or later).
• System 85
— Does not support dynamic access.
• DEFINITY Generic 2
— Any release will support dynamic 56 Kbps access.
— For universal modules, the detector must be a TN748C (V4 or later). For traditional modules, the
detector is a SN255.
For help in designing dynamic switched 56 Kbps networking with a Generic 2, contact the BCSDC.
NOTE
The MERLIN II does not support this arrangement. If your customer has a non-DCP switch
and wishes to use DCP Mode 1, a DEFINITY Generic 1, Generic 2, or Generic 3 can be used
instead of the MERLIN II.
DATA RATES FOR DCP MODE 1
All of the configurations shown in this chapter operate at 56 Kbps.