Juniper-networks M20 Uživatelský manuál stáhnout pdf (Strana 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

MultimodeSingle-Mode Intermediate ReachPIC 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 nm1260 through 1360 nmWavelength

–20 through –14 dBm–15 through –8 dBmAverage launch power

–14 dBm–8 dBmReceiver saturation

–30 dBm–28 dBmReceiver sensitivity

ATM OC3 PIC ■ 11

ATM OC3 PIC

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 33 34

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