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Digital Signal Zero, "A" (DS-OA 64 KB/S) Systems Interconnection


Document Number TR-TSY-000458
Issue Number 01
Issue Date Dec 1989
Replaces TA-NPL-000458 Issue01
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    ABSTRACT: The DS-0A (64-kbps interconnection) currently used in telecommunications digital data networks connects 64-kb/s signals to terminal and
    multiplexing equipment. The DS-0A interconnection has application in the Common Channel Signaling (CCS) network links, Basic Dedicated
    Digital Service (BDDS) circuits, Public Packet Switched Service (PPSS) trunks, Public Switched Digital Service (PSDS) trunks, and
    Integrated Services Digital Network (ISDN) 64-kb/s Bearer (B) channels, as well as other situations not yet identified.

    This Technical Reference (TR) contains the view of Telcordia on generic requirements for a DS-0A systems interconnection and is
    intended for internal Local Exchange Carrier (LEC) central office use in connection with digital data links in various networks.

    TR-TSY-000458 replaces TA-NPL-000458.

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