EXFO FTB-8510B Guia Del Usuario página 946

Tabla de contenido

Publicidad

Idiomas disponibles

Idiomas disponibles

DSn Tabs
DS3/45M RX
Alarm Analysis
Possible alarms that can be detected are:
OOF (Out-OF-Frame): A OOF error indicates that four consecutive
frame bit errors are detected.
RDI (Remote Defect Indicator): The RDI alarm is declared when both
X-bits of the M-Frame are set to "0".
AIS (Alarm Indication Signal): The AIS alarm is declared when the
M-frame contains zeros (0) for C-bits, ones (1) for X-bits, 1010...
repeating sequence with a one (1) immediately following any of the
control bit positions for the information bits.
Idle (DS3 Idle): The Idle alarm is declared when subframe 3 of the
M-frame contains zeros (0) for the three C-bits, ones (1) for X-bits,
1100... repeating sequence with the first two bits following each control
bit set to 11 for the information bits.
296
FTB-8100 Series Transport Blazer

Publicidad

Capítulos

Tabla de contenido

Solución de problemas

loading

Este manual también es adecuado para:

Ftb-8510gFtb-8525Ftb-8535Ftb-8120nceFtb-8103nce

Tabla de contenido