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
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