Software release

• 1-port: Junos OS Release 9.3 and later (Type 1)
• 4-port: Junos OS Release 9.4 and later (Type 2)

Description

• One or four OC12/STM4 ports
• SONET or SDH is configurable on a per-port granularity
• SONET channelization (1-port PIC):
  • 1 OC12 channel
  • 4 OC3 channels
  • 12 DS3 channels
  • 336 DS1 channels
  • 1011 DS0 channels
• SDH channelization (1-port PIC):
  • 1 STM4 channel
  • 4 STM1 channels
  • 12 E3 channels
  • 252 E1 channels
  • 12 DS3 channels (Junos OS Release 10.1 and later)
  • 336 DS1 channels (Junos OS Release 10.1 and later)
  • 1011 DS0 channels
• SONET channelization (4-port PIC):
  • 4 OC12 channel
  • 16 OC3 channels
  • 48 DS3 channels
  • 672 DS1 channels
  • 975 DS0 channels
• SDH channelization (4-port PIC):
  • 4 STM4 channel
  • 16 STM1 channels
  • 48 E3 channels
  • 504 E1 channels
  • 48 DS3 channels (Junos OS Release 10.1 and later)
  • 672 DS1 channels (Junos OS Release 10.1 and later)
  • 975 DS0 channels
• Power requirement:
  • 1-port: 0.64 A @ –48 V (30.7 W)
  • 4-port: 1.08 A @ –48V (52 W)

Hardware features

• 1-port: Port is numbered 0.
• 4-port: Ports are numbered:
  • Top row: 2 and 0 from left to right
  • Bottom row: 3 and 1 from left to right

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.
• 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 line, remote line, and remote payload loopback testing
• Simple Network Management Protocol (SNMP): OC3 MIB, DS3 MIB, T1 MIB
• Dynamic, arbitrary channel configuration
• Full bit error rate test (BERT)

• 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); single-mode fiber
• 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)
  • Virtual container—alarm indication signal (VAIS)
  • Virtual container—loss of pointer (VLOP)
  • Virtual container—mismatch (VMIS)
  • Virtual container—remote defect indication (VRD1)
  • Virtual container—unequipped (VUNEQ)

• 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)
  • Tributary unit—alarm indication signal (TU-AIS)
  • Tributary unit—loss of pointer (TU-LOP)
  • Tributary unit—mismatch (TU-MIS)
  • Tributary unit—remote defect indication (TU-RD1)
  • Tributary unit—unequipped (TU-UNEQ)

• DS1 alarms:

  • Alarm indication signal (AIS)
  • Loss of frame (LOF)
  • Remote alarm indication signal (RAIS)

• DS1 error detection:

  • Bursty errored seconds (BES)
  • CRC errors
  • Errored seconds (ES)
  • Line errored seconds (LES)
  • Loss of framing seconds (LOFS)
  • Severely errored seconds (SES)
  • Severely errored framing seconds (SEFS)
  • Unavailable seconds (UAS)

• DS3 alarms:

  • Alarm indication signal (AIS)
  • Loss of frame (LOF)
  • Yellow alarm

• DS3 error detection:

  • C-bit code violations (CCV)
  • C-bit errored seconds (CES)
  • C-bit severely errored framing seconds (CEFS)
  • CRC errors
  • Excessive zeros (EXZ)
  • Far-end block error (FEBE)
  • Far-end receive failure (FERF)
  • Line errored seconds (LES)
  • Parity bit (P-bit) code violations (PCV)
  • Parity bit (P-bit) errored seconds (PES)
  • Parity bit (P-bit) severely errored framing seconds (PSES)
  • Severely errored framing seconds (SEFS)
  • Unavailable seconds (UAS)

Instrumentation (counters)

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

Note: Do not install Type 2 IQE PICs in both PIC slot number 2 and PIC slot number 3 of the M120-FPC2. You can install one 4-port Channelized OC12/STM4 IQE PIC or one 1-port Channelized OC48/STM4 IQE PIC into either PIC slot number 2 or PIC slot number 3. In the other slot, you can install any Type 2 PIC except the 8-port Gigabit Ethernet IQ2 PIC or 8-port Gigabit Ethernet IQ2E PIC.

Gigabit Ethernet, 2-port SFP

PB-2GE-SFP

Gigabit Ethernet, 4-port SFP

PB-4GE-SFP

Gigabit Ethernet IQ, 2-port SFP

PB-2GE-SFP-QPP

SONET/SDH OC12c/STM4, 4-port with multimode transceivers installed

PB-4OC12-SON-MM

SONET/SDH OC12c/STM4, 4-port with single-mode intermediate reach transceivers installed

PB-4OC12-SON-SMIR

SONET/SDH OC48/STM16, 1-port SFP

PB-1OC48–SON-SFP

Tunnel Services

PB-TUNNEL