Intec ARGUS Manual page 55

The E-Bit counter counts the individual E-Bit error messages; 
Ecnt
i.e. all cases where a faulty CRC4 submultiframe was received (counts
at a maximum of 1 kHz)
CRC Err The CRC4 error counter totals the number of CRC4 submultiframes in
which errors were detected.
CRC rel Shows the CRC4 error rate, in other words, the number of faulty CRC4
frames relative to the total number of CRC4 frames received.
Code Err Counter for the detected HDB3 transmission code errors
Code rel Transmission code error rate
Frm. Err Counter for faulty 2Mbit frames.
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When running a MegaBERT unframed in leased line mode, if the menu L1 status is opened
(via the -Key or the Test Manager), the display will only show the parameters Signal
and noAIS.
ARGUS PRI
4 Operation on a PRI Access
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