Juniper Networks M20 - Manual (Page 11)

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
LEDs
■ 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
■ Errored seconds (ES-S, ES-L, ES-P), Far-end bit errors REI-L, REI-P (CV-LFE, CV-PFE),
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)
■ Loss of cell delineation (LOC), Loss of frame (LOF), Loss of pointer (LOP-P), Loss of signal
(LOS)
■ Payload mismatch (PLM-P), Payload unequipped (UNEQ-P)
■ 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)
Alarms, errors, and
events
Table 2: Optical Interface Support for ATM OC3 PICs
Multimode Single-Mode Intermediate Reach PIC Type
Multimode with SC/PC duplex
connector (maximum distance
1.2 miles/2 km), ATM Forum
af-phy-0046 Single-mode, intermediate reach
(Telcordia GR-253 compliant)
with SC/PC duplex connector
(maximum distance 9.3 miles/15
km) Optical interface
1270 through 1380 nm 1260 through 1360 nm Wavelength
–20 through –14 dBm –15 through –8 dBm Average launch power
–14 dBm –8 dBm Receiver saturation
–30 dBm –28 dBm Receiver sensitivity
ATM OC3 PIC ■ 11
ATM OC3 PIC