Cisco 128-MB ECC memory for OSMs MEM-OSM-128M= 数据表

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SONET/SDH Compliance

• Telcordia (Bellcore) GR-253-CORE (as applicable)

• ITU-T G.707, G.957, G.958 (as applicable)

• Support for 1+1 SONET automatic protection switching (APS) as per GR-253-CORE—per port, per line card,

per chassis (as applicable)

• Support for 1+1 SDH multiplex section protection (MSP) as per G.783 Annex A—per port, per line card, per

chassis (as applicable)

Encapsulations

• Internet Engineering Task Force (IETF) RFC 1661, Point-to-Point Protocol (PPP)

• IETF RFC 1662, PPP in HDLC Like Framing

• IETF RFC 2615, PPP over SONET/SDH with 1+x

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 Self-Synchronous Payload Scrambling

SONET/SDH Errors, Alarms, and Performance Monitoring

• Signal failure bit error rate (SF-ber)

• Signal degrade bit error rate (SD-ber)

• Signal label payload construction (C2)

• Path trace byte (J1)

• Section:

– Loss of signal (LOS)

– Loss of frame (LOF)

– Error counts for B1

– Threshold crossing alarms (TCA) for B1

• Line:

– Line alarm indication signal (LAIS)

– Line remote defect indication (LRDI)

– Line remote error indication (LREI)

– Error counts for B2

– TCA for B2

• Path:

– Path alarm indication signal (PAIS)

– Path remote defect indication (PRDI)

– Path remote error indication (PREI)

– Error Counts for B3

– Path unequipped indication signal (PUNEQ)

– Path payload mismatch indication (PPLM)