User's Manual

66xx/67xx Router Users Guide 40
xDSL BER Test
The xDSL Bit Error Rate (BER) test determines the quality of the VDSL connection. The test is
performed by transferring idle cells containing a known pattern and comparing the received data
with this known pattern to check for any errors The BER Test reflects the ratio of error bits to the
total number transmitted.
To run a BER test:
1. On the bottom of the xDSL statistics page, click xDSL BER Test
2. In the xDSL BER Test – Start screen select the duration of the test from the Tested Time
(sec) drop down, then click Start.
3. Check the results.