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

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

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)