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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 704kB) Download   E-Mail

Application Notes

Application Note 309: Interfacing to the Fractional T1 and E1 - DS21FF42, DS21FT42 Application Note 310: D4 Framing and Signaling - DS21FF42, DS21FT42 Application Note 336: Transparent Operation on T1, E1 Framers and Transceivers - DS21FF42, DS21FT42 Application Note 342: T1/E1 Framer Initialization and Programming - DS21FF42, DS21FT42 Application Note 345: DS21352/552, DS2151, DS2152, DS2141A, DS21Q42 Programming SLC-96 - DS21FF42, DS21FT42 Application Note 382: J1 Japanese Standards - DS21FF42, DS21FT42 Application Note 394: HDLC Configuration of Framers and Transceivers - DS21FF42, DS21FT42 Application Note 461: Programming and Controlling the FDL on DS2141A, DS2151 - DS21FF42, DS21FT42 Application Note 2713: Switching Frame Mode In Live T1 Systems - DS21FF42, DS21FT42 Application Note 3345: Examples of DS31256 Applications - DS21FF42, DS21FT42 Application Note 3760: Interleaved Bus Operation - DS21FF42, DS21FT42

Design Guides

Communications (PDF)

Reliability Reports

Request Reliability Report for: DS21FF42 DS21FT42

Software/Models

DS21Q42 BSDL Model

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