Triplett WireMaster XR5 – PN: 3260 - Manual (Page 9)

The Numbered LEDs DO NOT indicate that a GOOD
connection exists, only that a connection exists. If the Short or
Cross LEDs are lit, there is a fault in the cable.
6.6.5 Connected LED/3 Beeps/Short LED/Numbered LEDs
If the Connected LED lights, the Beeper emits 3 beeps,
and the Short LED lights, the cable has a fault. The
Numbered LEDs indicate the location of a short.
Note:
In the Short mode, the Numbered LEDs only indicate the
location of the shorts. The other connections in the cable are
not indicated. If more than 3 Numbered LEDs light, there may
be multiple shorts in the cable.
6.6.6 Connected LED/2 Beeps/Cross LED/Numbered LEDs
If the Connected LED lights, the Beeper emits 2 beeps,
and the Cross LED lights, the cable has a fault.
Notes:
In the Cross mode, the Numbered LEDs indicate connections
but do not indicate the location of the cross.
RJ-11 cables used for telephone connections are often crossed.
Even new cables are often crossed. This seldom affects the
performance of standard analog
telephone lines (POTS).
Digital telephone lines and old touch tone phones may be
polarity sensitive, so a crossed cable may prevent them from
working properly.
7:
Cable Repair
7.1 General
Information: The following section provides
information to the user about common cable types,
common failures, and repairs. It is not meant to be an
exhaustive study of the topic, just some basic information
that the uninitiated may find helpful.
7.2 Cable
damage: When a cable tests bad, either the wire
or the connectors or both may be at fault. If the cable has
been installed and working, then its likely that the wire
or connectors have been abused in some way. The wire
portion of the cable can be damaged by being crushed
(under the leg of a desk),
stretched (pulled sharply
around a corner), punctured (by a nail or staple),
overvoltaged (hit by lightening), burned, etc. Similar
abuses will damage the connectors on the ends of the
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