Testing Line Quality - JDS Uniphase HST-3000 User Manual

Chapter 2 VDSL Testing
Testing Data services
Testing line
quality
50
a Connect one end of the Ethernet cable to the Ethernet
jack on the top of the HST-3000.
b Connect the other end of the cable to the PC, hub, or
router.
Use a shielded crossover cable if you are connecting to
a PC. Use a straight cable if you are connecting to a
hub or router.
The test leads are connected.
Once connected to the line, the HST-3000 gathers statistics
for the line. These statistics are used to determine the line
quality.
To test line quality
1 Connect to the line.
The modem begins to train on the line automatically.
When it reaches show time, the HST-3000 begins gath-
ering statistics.
NOTE:
This screen shows actual results and full synchronization. If
you are not connected to the line, or the data link is not up,
the Actions soft key, and the data flow (the "0" and "1" line)
will not appear and any results displayed will reflect the pre-
vious test.
HST-3000 VDSL Testing User's Guide