Adtran carries a wide amount of gear for running and maintaining your gear. The Adtran equipment can maintain fiber or copper Ethernet as well as handle multiplexer applications.

  • Adtran 1204004L2 ISDN BRI DBU Module IQ TSU

    Adtran ISDN BRI DBU Module IQ TSU (1204004L2)

    The Adtran 1204004L2 provides 2B+D ISDN BRI dial backup via RJ-45 U-interface (1B+D in IQ 310 with 56/64k DDS NIM). The module re-establishes physical layer and Frame Relay signaling in the event of primary link failure, loss of LMI, or loss of PVC...
    MSRP: $105.99
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