E1/2M Rx - EXFO FTB-8510B Guia Del Usuario

PDH Tabs

E1/2M RX

E1/2M RX
Press TEST, DSn-PDH, and E1 (under DSn-PDH RX).
Configuration
Note: See E1/2M TX on page 375 for more information on Framing.
Error Analysis
FAS (Frame Alignment Signal): A FAS error indicates that bits 2 to 8 of
the frame containing the FAS differ from 0011011.
CRC-4 (Cyclical Redundancy Check): A CRC-4 error indicates that one
or more bit errors are detected in a block of data through cyclical
redundancy check.
E-Bit (CRC-4 Error Signal): A E-Bit error indicates that bit 1 of
sub-multiframe (SMF) II in frame 13 and/or 15 is set to 0 indicating a
sub-multiframe error.
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FTB-8100 Series Transport Blazer