HomeTech BVR-20 - Manual (Page 12)

A
CTIVE
-B
ALANCED
S
ERIES
12
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“There is hum in the audio signal.”
1.Verify that the Cat-5 cable is properly terminated on
both ends.
2.Make certain that the system is wired with twisted-pair
cabling.
3.Make certain there is not a cut in the wiring allowing a
conductor to short to ground (i.e. shield, conduit, cold
water pipe, plenum).
4.If it is being used, make sure the shield wire is con-
nected only at the receiving end.