Juniper Networks M120 manual Parameter Short Reach SR Intermediate Reach IR Long Reach LR

SONET/SDH OC48c/STM16 PIC with SFP

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)

■Bit interleaved parity (BIP) error B1

■Bit interleaved parity (BIP) error B2

■Bit interleaved parity (BIP) error B3

■Loss of frame (LOF)

■Loss of pointer (LOP-P)

■Loss of signal (LOS)

■Far-end bit error: remote error indication—line (REI-L) (CV-LFE)

■Far-end bit error: remote error indication—path (REI-P) (CV-PFE)

■Payload mismatch (path label mismatch) (PLM-P)

■Payload unequipped (unequipped STS at path level) (UNEQ-P)

■Remote defect indication—line (RDI-L)

■Remote defect indication—path (RDI-P)

■SDH alarms:

■Multiplex section alarm indication signal (MS-AIS)

■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

■Bit interleaved parity (BIP) error B2

■Bit interleaved parity (BIP) error B3

■Loss of frame (LOF)

■Loss of pointer (HP-LOP)

■Loss of signal (LOS)

■Multiplex section remote error indication (MS-REI)

■Higher path label mismatch (HP-PLM)

■Higher path unequipped (HP-UNEQ)

■Multiplex section remote defect indication (MS-RDI)

■Higher path remote defect indication (HP-RDI)

■Errored seconds (ES-S, ES-L, ES-P), 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)

■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)

Table 32: Optical Interface Support for SONET/SDH OC48c/STM16 PICs with SFP

Parameter	Short Reach (SR)	Intermediate Reach (IR)	Long Reach (LR)
Optical interface	Single-mode	Single-mode	Single-mode; compatible with
			1550-nm single-mode LR
Transceiver type	SFP	SFP	SFP

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