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Channelized OC12 IQ PIC

Image g003042.gif

Software release
  • JUNOS 5.6 and later
Description
  • One OC12 port
  • Power requirement: 0.23 A @ 48 V (10.8 W)
  • Intelligent queuing (IQ) PICs support fine-grained queuing per logical interface
  • Channelization: OC3, 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
  • Optical interface support—See Table 10
LEDs One tricolor per port:
  • Off—Not enabled
  • Green—Online with no alarms or failures
  • Amber—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 (CV-S, CV-L, CV-P)
  • 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
Instrumentation (counters)
  • Layer 2 per-queue and per-channel packet and byte counters

Table 10: Optical Interface Support for Channelized OC12 IQ PICs

Parameter Intermediate Reach (IR)
Optical interface Single-mode
Standard Telcordia GR-253
Maximum distance 9.3 miles/15 km
Transmitter wavelength 1274 through 1356 nm
Average launch power –15 through –8 dBm
Receiver saturation –8 dBm
Receiver sensitivity –28 dBm
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