Multiple Faults; Missing Remote; Cable Length Measurement - Chauvin Arnoux CA 7028 Notice D'utilisation

In the event of a Split Pair fault, the following is displayed:
ID1 4 5 1 2 3 6 7 8 S
FAILED
TIA568
L=94ft
Vp=71%
4 5 1 2 3 6 7 8 S
Split Pair
Pin 1 2 3 6
NOTE: For cables less than 6 ft (2m) in length the tester is unable to distinguish a Split
Pair condition.
In this event (cable too short), the following screen is displayed briefly, before the screen to
warn the user that a Split Pair test has not been carried out.
* * * * * * * * * * * * * * * * * * *
Too Short for
Split Pair Test
* * * * * * * * * * * * * * * * * * *
4.9

Multiple Faults

In the event of a multiple fault, or a cable or link with more than one fault on it, the tester will
report the faults in the following order of priority.
• Shorts
• Reversals
• Opens
For example, on a cable with an Open on pin 3 and a Short between pins 7 and 8, only the
Short in pins 7 and 8 will be reported.
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4.10

Missing Remote

If a wire map test is performed without a remote unit connected at the far end, the following
screen will be displayed:
? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Missing
Remote Unit
? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
4.11

Cable Length Measurement

Structured Cable Tester
SERVICE / Vp LENGTH / Vp
MAP /
C.A. 7028
FAULT MAPPER PRO
Attach the main unit to one end of the cable and press the
The length of all four pairs in the cable are measured, and the results displayed
simultaneously, as shown below.
Pr.
Pr.
Pr.
Pr.
TIA568 UTP Vp=71%
In this example, the length of pair 3 - 6 is missing, as there is a fault on the pair which is
preventing the TDR circuit from measuring the length.
button.
LENGTH / Vp
4-5 64ft
1-2 64ft
3-6 -----
7-8 64ft
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