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    Channelized E1 IQ PIC (M7i Router)

    Software release

    • Junos OS Release 6.0 and later

    Description

    • Ten E1 ports
    • Power requirement: 0.15 A @ 48 V (7.2 W)
    • Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface.
    • Channelization: E1, DS0

    Hardware features

    • Data service unit (DSU) functionality
    • Ports configurable as clear channel E1 interfaces with 2.048-Mbps connectivity
    • Supports unframed E1 G.703 and G.704 framing modes
    • Supports HDB3 line coding
    • CRC4 configurable
    • 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): E1 MIB, DS0 MIB
    • Dynamic, arbitrary channel configuration
    • Full bit error rate test (BERT)
    • Encapsulations:
      • High-Level Data Link Control (HDLC)
      • Frame Relay
      • Circuit cross-connect (CCC)
      • Translational cross-connect (TCC)
      • Point-to-Point Protocol (PPP)

    Cables and connectors

    • 120-ohm RJ-48C

    LEDs

    One bicolor per E1 port:

    • Off—Port not enabled
    • Green—Physical E1 link is up; individual subchannels can be down
    • Red—Physical E1 link is down

    Alarms, errors, and events

    • Alarm indication signal (AIS)
    • Loss of frame (LOF)
    • Out of frame (OOF)
    • Failed signal rate (FSR)

    Instrumentation (counters)

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

    Related Documentation

     

    Published: 2014-10-09