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    T1 PIC (M40e Router)

    Image g001387.gif

    Software release


    • Four T1 ports
    • Power requirement: 0.08 A @ 48 V (3.7 W)
    • Supports clear channel T1 per port (1.544 Mbps per channel)
    • Supports attenuation up to –12 dBm

    Hardware features

    • Per-port loop timing
    • Onboard DSU functionality for T1 connectivity

    Software features

    • ESF and SF framing
    • B8ZS and AMI coding
    • ESF CSU counters, WRT impairments, and CRC checking
    • Local DS1 line loopback, remote line loopback
    • Configurable clock source—internal or loop
    • Encapsulations:
      • High-Level Data Link Control (HDLC)
      • Frame Relay
      • Circuit cross-connect (CCC)
      • Point-to-Point Protocol (PPP)

    Cables and connectors

    • 100-ohm RJ-48 connector


    One tricolor per port:

    • Off—Not enabled
    • Green—Online with no alarms or failures
    • Yellow—Online with alarms for remote failures
    • Red—Active with a local alarm; router has detected a failure

    Alarms, errors, and events

    • Alarm indication signal (AIS)
    • Bipolar violations
    • Excessive zeros
    • Far-end block errors (FEBE, E-bit errors)
    • Loss of frame (LOF)
    • Loss of signal (LOS)
    • Yellow alarm bit (X-bit) disagreements

    Published: 2010-10-28