Exfo FTB-800 Series for FTB-1 Manual de usuario descargar pdf (Pagina 277)

100

101

Test Results

NetBlazer 267

Alarms/Errors

ODUx-TCM

Alarms

 BDI (Backward Defect Indication)

RX: The BDI bit in the TCM overhead field Byte 3, bit 5 is “1” for at least

5 consecutive frames.

TX: Generates a "1" in the BDI bit of the TCM overhead field (byte 3,

bit 5) continuously.

 BIAE (Backward Incoming Alignment Error)

RX: The BEI/BIAE bits in the TCM overhead field Byte 3, bits 1 to 4 are

“1011” for at least 3 consecutive frames.

TX: Generates "1011" in the BEI/BIAE bits of the TCM overhead (byte 3,

bits 1 to 4) continuously.

 IAE (Incoming Alignment Error)

RX: The STAT information in the TCM is “010” for at least 3 consecutive

frames.

TX: Generates "1" in the IAE bit of the TCM overhead (byte 3, bit 6)

continuously.

 LTC (Loss of Tandem Connection)

RX: The STAT information in the TCM Byte 3, bits 6, 7, and 8 are “000”

for at least 3 consecutive frames.

TX: Generates "000" in the STAT field of TCM overhead (byte 3, bits

6 to 8) continuously.

 TIM (Trace Identification Mismatch)

RX: The SAPI and/or DAPI do not math the expected SAPI and/or DAPI.

This alarm is only available when the Enable TIM SAPI and/or DAPI

check boxes are selected from PT on page 127.

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Exfo FTB-800 Series for FTB-1 Manual de usuario Pagina 277

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