EXFO MaxTester 635 - Manual (Page 306)

Running DSL/IP Tests and Viewing Results
298 MAX-635
DSL Parameter Details
DSL Parameter Details
The DSL Param Details tab displays the Downstream and Upstream
parameter results configured in the DSL/IP tests.
When the Test Interface for Auto Test or Manual Test is set to ADSL2+ or
VDSL2 bonding mode, there will be 2 pages of results, one for each DSL
line-pair.
To access the second-pair results, press the Pair 1/2 function key at the
bottom-right of the screen.

Line Status displays the status of the line under
test during negotiation with the DSLAM. The value
changes from Idle /Activate /Handshake /Training
/Show Time for ADSL2+ or VDSL2 mode.
Note: When loading firmware into the Broadcom chipset,
the Line Status value displays Loading M:SS, where
M:SS is a count down timer.

Operation Mode is the DSL mode of operation as
negotiated between the unit and the DSLAM.

CO Vendor ID is a unique 4-digit alphanumeric
identifier of the DSL chipset manufacturer used on the CO (central
office) side.

CO Version is the version number of the unique alphanumeric
identifier of the DSL chipset used on the CO side.

Sync loss count is the number of times the unit lost synchronization.