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Maintenance Description

9-12 Issue 8.0 July 2002

■ incoming OC-48 APS default byte

■ incoming OC-48 B1 parity error

■ incoming OC-48 invalid F byte

■ incoming OC-48 line RFI/yellow

■ incoming OC-48 LOF

■ incoming OC-48 LOS

■ incoming OC-48 LOS/LOF

■ incoming OC-48 SD

■ incoming sync ref failure.

■ incoming OC-12 APS byte failure

■ incoming OC-12 line RFI/Yellow

■ incoming OC-12 loss of frame (LOF)

■ incoming OC-12 loss of signal (LOS)

■ incoming OC-12 loss of pointer (LOP)

■ incoming OC-12 DCC failure

■ incoming OC-12 interface failure

■ incoming OC-12 interface removed

■ incoming OC-12 auto switch at far end

■ incoming OC-12 auto switch at near end

■ incoming OC-12 forced switch at far end

■ incoming OC-12 forced switch at near end

■ incoming OC-12 inhibit at near end

■ incoming OC-12 lockout at far end

■ incoming OC-12 lockout at near end

■ incoming OC-12 loopback (from OC48)

■ incoming OC-12 signal degrade (SD)

■ incoming OC-12 signal fail (SF)

■ incoming (from OC-12) path AIS

The FT-2000 OC-48 Repeater Bay conveys the following conditions using the

F1-bytes in the OC-48 signal to the downstream FT-2000 OC-48 Add/Drop-Rings

Terminal.

■ incoming OC48 B1 parity error

■ incoming OC48 LOS/LOF

■ incoming OC48 invalid F byte

Lucent Technologies FT-2000 OC-48 User Manual

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