Software release

• Junos OS Release 10.2 and later (Type 1)

Description

• One OC12/STM4 port
• SONET or SDH is configurable on a per-port granularity
• Power requirement: 0.58 A @ 48 V (27.8 W)

Hardware features

• Port is numbered 0.

Software features

• Quality of service (QoS) per channel: weighted round-robin (WRR), random early detection (RED), weighted random early detection (WRED)
• Enhanced fine-grained queuing per logical interface. See the Junos Class of Service Configuration Guide for more information about class of service features.
• Packet buffering, Layer 2 parsing
• Local line and remote payload loopback testing

• Encapsulations:

  • Circuit cross-connect (CCC)
  • Translational cross-connect (TCC)
  • Extended Frame Relay for CCC and TCC
  • Flexible Frame Relay
  • Frame Relay
  • Frame Relay for CCC
  • Frame Relay for TCC
  • Frame Relay port CCC
  • High-Level Data Link Control (HDLC)
  • HDLC framing for CCC
  • HDLC framing for TCC
  • MPLS CCC
  • MPLS TCC
  • Multilink Frame Relay (MLFR) UNI NNI (MFR FRF.16)
  • Point-to-Point Protocol (PPP)
  • PPP for CCC
  • PPP for TCC

• Encapsulations available only for DS1:

  • Multilink Frame Relay end-to-end (MLFR FRF.15)
  • Multilink PPP (MLPPP)
  • PPP over Frame Relay

Cables and connectors

• Duplex LC/PC connector (Rx and Tx)
• SONET/SDH OC12/STM4 fiber-optic SFP transceivers:
  • Short reach (model number: SFP-OC12-SR)
  • Intermediate reach (IR-1) (model number: SFP-OC312-IR)
  • Long reach (LR-1) (model number: SFP-OC12-LR)

  Optical interface specifications—see SONET/SDH OC12/STM4 Optical Interface Specifications

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

• SONET alarms:

  • Alarm indication signal—line (AIS-L)
  • Alarm indication signal—path (AIS-P)
  • Bit error rate signal degrade (BERR-SD)
  • Bit error rate signal fail (BERR-SF)
  • Loss of frame (LOF)
  • Loss of light (LOL)
  • Loss of pointer (LOP)
  • Loss of signal (LOS)
  • Payload label mismatch (PLM-P)
  • Remote defect indication—line (RDI-L)
  • Remote defect indication—path (RDI-P)
  • Remote error indication (REI)
  • Payload unequipped (unequipped STS at path level) (UNEQ-P)

• SDH alarms:

  • Administrative unit alarm indication signal (AU-AIS)
  • Bit error rate signal degrade (BERR-SD)
  • Bit error rate signal fail (BERR-SF)
  • Bit interleaved parity (BIP) error B1, B2, B3
  • Higher order path—alarm indication signal (HP-AIS)
  • Higher order path—far-end receive failure (HP-FERF)
  • Higher order path—payload label mismatch (HP-PLM)
  • Higher order path—loss of pointer (HP-LOP)
  • Higher order path—remote defect indication (HP-RDI)
  • Higher order path—unequipped (HP-UNEQ)
  • Loss of frame (LOF)
  • Loss of light (LOL)
  • Loss of signal (LOS)
  • Multiplex section—alarm indication signal (MS-AIS)
  • Multiplex section—far-end receive failure (MS-FERF)
  • Multiplex section—remote defect indication (MS-RDI)
  • Multiplex section—remote error indication (MS-REI)
  • Phase lock loop (PLL)
  • Remote error indication (REI)
  • Severely errored frame (SEF)

Instrumentation (counters)

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