Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

Navigation
Guide That Contains This Content
[+] Expand All
[-] Collapse All

    Channelized DS3 IQ PIC (M40e Router)

    Image g003037.gif

    Software release

    Description

    • Four DS3 ports
    • Power requirement: 0.32 A @ 48 V (15.6 W)
    • Fine-grained queuing per logical interface
    • Channelization: DS3, DS0

    Hardware features

    • Data service unit (DSU) functionality
    • Subrate and scrambling:
      • Digital Link/Quick Eagle
      • Kentrox
      • Larscom
      • ADTRAN
      • Verilink
    • B3ZS line encoding
    • M13 or C-bit parity
    • Full bit error rate test (BERT)
    • Local and remote loopback testing

    Software features

    • Quality of service (QoS) per channel: weighted round-robin (WRR), random early detection (RED), weighted random early detection (WRED)
    • Simple Network Management Protocol (SNMP): DS1 MIB, DS3 MIB
    • Dynamic, arbitrary channel configuration
    • Encapsulations:
      • Circuit cross-connect (CCC)
      • Translational cross-connect (TCC)
      • Frame Relay
      • High-Level Data Link Control (HDLC)
      • Point-to-Point Protocol (PPP)

    Cables and connectors

    • Standard DS3 BNC coaxial cable interfaces

    LEDs

    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)
    • Excessive zeros (EXZ)
    • Far-end block error (FEBE)
    • Frame error
    • Idle code, Idle received
    • Line code violation (LCV)
    • Loss of signal (LOS)
    • Out of frame (OOF)
    • Parity bit (P-bit) disagreements
    • Path parity error
    • Yellow alarm bit (X-bit) disagreements

    Instrumentation (counters)

    • Layer 2 per-queue and per-channel packet and byte counters

    Published: 2010-10-28