User`s guide

4-12 DL600E E1 Data Multiplexer UserÕs Guide
Events in the Performance Reports
The events in the Menu-3 Performance Reports are
Errored Seconds (ES)
A second with one or more CRC errors.
Cyclic Redundancy Check (CRC)
The CRC count is incremented in this error checking feature,
which compares frames at each end. When the frames do not
match, they are considered bad and the
CRC is incremented.
CVs (CV)
Number of Code Violations.
Framing Errors (FE)
Number of frame errors.