Triplett Fox 2 – PN: 3382 - Manual (Page 27)

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Do not insert a telephone modular plug (RJ-11) directly into
the jack (RJ-45) on the FOX 2. Doing so can damage the
jack, resulting in reduced capability when using the FOX 2 to
trace LAN cables. Always use the provided RJ-45 to RJ-11
Adapter to trace or test polarity of telephone wires termi-
nated into a modular jack or plug.
If attempting to trace a telephone wire terminated in a modu-
lar jack, but not connected to the telephone company, through
a wall or ceiling, insert the FOX 2’s RJ-11 into the jack, and
then connect either the red or green clip lead to a ground or
fake ground. This will boost the tracer tone, and may pro-
vide an adequate trace. The strongest trace will be obtained
when using the grounded method and the clips (as described
above), but if the hint works, the user won’t have to open
the modular jack housing to gain access to the wires.
Coaxial Cable:
Coaxial cable, like that used for cable TV, satellite TV, closed
circuit TV, early LAN systems, etc. is often connected to other
cables through splitters, combiners, or amplifiers. In order
to trace the cable, it must be disconnected from these
“loads”. Since coaxial cable is self-shielding, the floating
method usually does not work well when tracing the cable.
It can be done, but the HOUND or HOUND 2 must be held
very close to the end of the cable to pick up any signal. To
apply a floating signal to a coax, connect one clip of the FOX
2 to the center conductor of the coax, and the other clip to
the shield of the coax.