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4-6 DCP Mode 1 Networks — 56 Kbps
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SWITCH (OR CUSTOMER) REQUIREMENTS FOR DCP
MODE 1
To implement AUDIX networking over static or dynamic switched 56 Kbps facilities, the customer’s
switch must have a DCP interface to connect with the AUDIX system and a DS1 interface to connect with
the 56 Kbps switched network.
Whether a customer is using static or dynamic 56 Kbps, the point-of-presence switch needs to be translated
to match the switch, (including wink in/wink out). The RNXs are set up by the customer and added to the
network by Network Systems.
NOTE
Contact the Business Communications Systems Design Center (BCSDC) to design ISDN.
The following equipment is typical for 56 Kbps facility access:
• Digital Line Circuits for the AUDIX network
• DS1 Interface
• For R1V5 or R1V6, a Modular Processor Data Module, Model M1* (MPDM/M1*) ACCUNET data
module with V.35 interface card (for loopback testing)
NOTE
See the DEFINITY Communications System & System 75/85 DS1/DMI/ISDN-PRI
Reference (555-025-101) for a complete specification of requirements.
Static Access Switch Requirements
The requirements for networking AUDIX systems via static 56 Kbps facilities depend on the customer’s
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 static 56 Kbps access.
— All tone detectors must be TN748C (V4 or later).