JDS Uniphase OneExpert DSL, User Manual

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Chapter 10 Test Results
DSL Results
OneExpert DSL User’s Guide
80
22052280, Revision 001 April 2014
In the saved test report, two additional statistics are included:
• Start Time is the time (time of day) when the DSL modem achieves Showtime. The Start time
is updated if you clear errors.
• Stop Time is the time (time of day) when the report is generated or DSL sync is lost.
DSL statistics
For bonded mode, the same results are shown, but the bonded results are separated into different
screens:
• Group - results for both pairs combined
• Pair 1 or Pair 2 - Same results as the non- screen, except the title.
Packet Statistics
Table 9 describes the LAN Statistics.
ATN The degradation of signal strength in dB
upstream and downstream. It is the differ-ence
in Tx power from the transmitter to receiver. 0–126.95 dB (VDLS2)
0–254.9 dB (ADLS2)
Sync Time The elapsed time (duration) since reaching
Showtime. n/a
1. These are ADSL2 rates.
2. These are VDSL2 rates.
Table 9 LAN Statistics
Result Definition
Link Status Status of the connection.
RX Bytes Total bytes received
RX Frames Total frames received
RX Errors Total errors received
RX Dropped Total dropped frames received
TX Bytes Total bytes transmitted
TX Frames Total frames transmitted
TX Errors Total errors transmitted
TX Dropped Total dropped frames transmitted
TX Collisions Ethernet frames are transmitted “space-available” when there is a break on the sig-
nal on the cable; sometimes frames are transmitted at the same time as another
transmitter, causing a “collision” of frames.
Table 8 DSL Summary results (Continued)
Result Description Range