Solarflare
Server
Adapter
User
Guide
Solarflare
Adapters
on
Windows
Issue
20
©
Solarflare
Communications
2017
180
Figure
29:
Cable
Diagnostics
Window
1
Start
SAM
and
select
a
Solarflare
adapter
from
the
Network
Adapter
list.
2
From
the
Action
menu,
click
Cable
Diagnostics
.
The
Cable
Diagnostics
for
<adapter
name>
dialog
box
is
displayed.
3
Click
Run
offline
test
or
Run
online
test
.
Offline
testing
produce
more
detailed
results,
but
at
the
expense
of
disrupting
the
connection
while
tests
are
running.
CAUTION:
The
offline
tests
will
cause
the
network
link
to
momentarily
drop
and
disrupt
data
flow.
Solarflare
recommend
only
running
diagnostics
tests
when
disruption
to
your
services
can
be
tolerated.
4
The
results
of
the
testing
will
be
displayed
in
the
diagnostics
dialog
box.
For
analysis
of
the
cable
pair
results,
see
Table
42:
Cable
Pair
Diagnostic
Results
Result
Meaning
OK
Length
measured
=
…,
SNR
margin
=
…
Cable
is
operating
correctly.
The
range
is
±13dB
(approximately).
The
SNR
should
be
positive.