Patch Cord Test Results
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bal04f.eps
Figure 1. Patch Cord Test Connections
Patch Cord Test Results
Patch cord tests evaluate the following:
•
Wire map
•
Return loss
•
NEXT
The patch cord test specifications assume that insertion loss (attenuation), ACR-F
(ELFEXT), dc resistance, length, propagation delay, and delay skew requirements are
met by the patch cord's design; therefore, test limits for these measurements are not
required.
Note
NEXT loss and return loss are measured in one direction
only, as required by the patch cord test standard. For
standard patch cords up to 5 m this method is adequate and
can detect performance problems at the remote connection.
For longer patch cords, Fluke Networks recommends
repeating the test with the patch cord reversed.
TA
LK
MONITOR
ENTER
TE
S
T
S
AV
E
S
PECIAL
FUNCTION
S
S
ETUP
AUTO
TE
S
T
S
IN
G
LE
TE
S
T
EXIT
F1
F2
F3
TE
S
T
LOW BATTER
Y
TONE
TALK
FAIL
TE
S
T
PA
SS
TA
LK
DTX main unit with
DTX-PCxxS/MN patch
cord adapter
DTX remote unit with
DTX-PCxxS/SR patch
cord adapter
Patch cord under test
W
Caution
To help ensure accurate test results,
do not bend the patch cord during
the test.
