EXFO FTB-635 Wideband Copper and DSL Test Module - Manual (Page 320)

xDSL Tests: Using the Main Menu
312 FTB-635
Test Configuration

VCI (ATM mode only) is the virtual circuit identifier (VCI) ranging from
32 through 65535 for the downstream channel.

Auto resync allows you to enable the SyncLossCounter as the Pass/Fail
criteria. When SyncLossCounter+1 is reached, the test will have fail
status.
If Auto resync is disabled, any time the test loses sync, the result status
will be fail and the test will stop automatically.

Sync Timeout Period enables you to enter the duration, between
2 and 30 minutes, to run a DSL test from activation to reaching
Show Time.

Keep Sync Time is either:

Continuous where the test runs until you manually stop it, or

User defined where you can set a Keep sync time period. Default
is 5 minutes.

ADSL Transport Type displays the transport type options:
ATM (asynchronous transfer mode), PTM (packet transfer mode), or
ATM & PTM.
To confirm your selections and exit the page:
1. Tap Save to update the current profile, or
2. Tap Save As to confirm your changes to a new Profile name, or
3. Tap Cancel to abort.