■
Alarm indication signal (AIS-L, AIS-P)
■
BERT functionality (you can configure one DS3 channel in BERT mode and configure the
remaining channels to transmit and receive normal traffic)
■
Bit error rate signal degrade (BERR-SD), Bit error rate signal fail (BERR-SF)
■
Bit interleaved parity errors B1, B2, B3 (CV-S, CV-L, CV-P)
■
Equipment failure (Does not affect service)
■
Errored seconds (ES-S, ES-L, ES-P), far-end bit errors REI-L, REI-P (CV-LFE, CV-PFE),
far-end block error (FEBE), 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)
■
Frame error
■
Idle code, Idle received
■
Loss of frame (LOF), Loss of pointer (LOP-P), Loss of signal (LOS)
■
Out of frame (OOF)
■
Payload Mismatch (PLM-P), payload unequipped (UNEQ-P)
■
Parity bit (P-bit) disagreements
■
Path parity error
■
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)
■
Yellow alarm bit (X-bit) disagreements
Alarms, errors, and
events
Table 5: Optical Interface Support for Channelized OC12 PICs
Single-Mode Intermediate ReachOptical Parameter
Single-mode transmitterOptical interface
Telcordia GR-253 compliantStandard
Single-mode cable: 9.3 miles/15 kmMaximum distance
1274 through 1356 nmWavelength
–15 through –8 dBmAverage launch power
–8 dBmReceiver saturation
–28 dBmReceiver sensitivity
Channelized OC12 PIC ■ 23
Channelized OC12 PIC