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Channelized OC3 IQ PIC (M7i Router)

Image g002196.gif

Software release

  • JUNOS 7.6 and later

Description

  • One OC3 port
  • Power requirement: 0.39 A @ 48 V (18.6 W)
  • Fine-grained queuing per logical interface
  • Channelization: DS3, DS1, DS0

Hardware features

  • Subrate and scrambling:
    • Digital Link/Quick Eagle
    • Kentrox
    • Larscom
    • ADTRAN
    • Verilink
  • Packet buffering, Layer 2 parsing
  • M13/C-bit parity encoding
  • DS3 far-end alarm and control (FEAC) channel support
  • 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): OC3 MIB, DS3 MIB, T1 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

  • Duplex SC/PC connector (Rx and Tx); single-mode fiber intermediate-reach fiber
  • Optical interface support—See Table 4

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-L, AIS-P)
  • Bit error rate signal degrade (BERR-SD), bit error rate signal fail (BERR-SF)
  • Bit interleaved parity errors B1, B2, B3
  • Errored seconds (ES-S, ES-L, ES-P), far-end bit errors REI-L, REI-P (CV-LFE, CV-PFE), Far-end block error (FEBE), far-end errored seconds (ES-LFE, ES-PFE), far-end severely errored seconds (SES-LFE, SES-PFE), far-end unavailable seconds (UAS-LFE, UAS-PFE)
  • Frame error
  • Idle code, Idle received
  • Loss of frame (LOF), loss of pointer (LOP-P), loss of signal (LOS)
  • Out of frame (OOF)
  • Payload mismatch (PLM-P), payload unequipped (UNEQ-P)
  • Parity bit (P-bit) disagreements
  • Path parity error
  • Remote defect indication (RDI-L, RDI-P)
  • Severely errored framing (SEF), severely errored framing seconds (SEFS-S), severely errored seconds (SES-S, SES-L, SES-P), unavailable seconds (UAS-L, UAS-P)
  • Yellow alarm bit (X-bit) disagreements

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