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Digital Link Prelude Encore
Part Number: DL-080


T1/FT1 Single-Port Prelude Encore DSU/CSU. Features SNMP Management, Front Panel LEDs, Test Jacks, Smooth Clock at all Rates and Built-In Test Patterns/Diagnostics.



Prelude Encore Data Service Unit/Channel Service Unit (DSU/CSU) from Digital Link provides low-cost access to high-speed public/private T1/FT1 and Frame Relay services. The power of SNMP is supported by the Prelude with Digital Link's SNMP Reports. Fractional T1 compatibility ensures the user access to Frame Relay services, one of the fastest-growing segments of the telecommunications services industry.

Prelude, a member of the Encore product family, converts V.35, EIA-530 and RS449 compatible DTE data for T1/FT1 network transport. An integrated CSU monitors the T1 link for network integrity. A communications port is provided for local control from an ANSI (VT100) compatible terminal or remotely via a Hayes compatible modem or serial link.

Prelude supports D4 and ESF framing, in addition to ANSI T1.403 and AT&T TR54016 requirements for utilization of the Facility Data Link (FDL). AMI or B8ZS T1 line encoding schemes are also supported. Configuration options are user selectable and available via the communications port or externally via DIP switches located on the rear panel of the unit.

Product Features

Prelude Application

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DSU/CSU: Digital Link Prelude Encore - DL-080