Installation manual

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© Copyright 2001 Leviton Manufacturing Co., Inc.
between the handheld and remote tester, through the 1x9
Bridged Telephone Module. Leave the remote where it is,
and move the handheld unit to plug into all jacks con-
nected via cable to the 1x9 Bridged Telephone Module.
All cable runs must pass the test. If any cable run fails or
all runs fail, verify that all punchdowns at the jack are cor-
rect and follow the T568A pattern (see color code on the
jack label). Then verify all punchdowns are correct at the
1x9 Bridged Telephone Module. If all punchdowns look
correct, disconnect one cable at a time from the punch-
down IDC, and retest at a jack terminated on a cable that
remains connected to the 1x9 Bridged Telephone Module
until the trouble is found and corrected.
You can use a tester similar to the Microtest MICROSCAN-
NER™ to detect miswires, location, and run lengths for the
Category 5 or 5e cable that does not terminate at both
ends on category-rated jacks, RG-6 quad shield cable,
speaker wiring, or alarm wiring. The tester can find pair
polarity (wire map), excessive length, shorts, opens, and
other problems in your cable runs. It can also help you
determine if your cable labeling is correct by enabling you
to locate which cables terminate in various rooms.
Please follow the directions included with these testers to
check your wiring and solve any problems that may exist.
It’s much better to solve any such problems immediately
and save the expense and embarrassment of a callback
from the builder or homeowner. Document the test results
for your records on copies of the provided cable test form
included on page 10-8 of this manual.
Another testing tool, the Modular Plug Breakout
Adapter, tests any 6- or 8-position modular jack (and
can be used in series) while using the Tone Test Set or
the Craftperson’s Handset. Alligator clips connect the
contacts to any test apparatus or to a Lineman’s Test
Set. These test tools allow you to test that any given
pair terminates at the correct position on the jack.
These tools can be especially useful when terminating
more than one phone line (up to four different phone
numbers) on jacks throughout the dwelling.
Should the various cable runs not pass the test you can
use the Inductive Speaker Probe, used in combination
with the Tone Test Set, to detect audible frequency
tones so wires, cables, and metallic circuits can be
traced and identified without damage to their insula-
tion. The Inductive Speaker Probe’s duckbill and
needlepoint tips provide great flexibility for inspecting
wiring in tight spots, cables under tension, or larger
cable bundles. In noisy environments, a buttset can be
attached to the probe’s connecting tabs.
You must record all test results, by cable number and
location, on the forms provided at the end of this chapter.
10.4.2 Audio Cable
For unterminated audio cable, check for an open
between the wires in the speaker or volume control
audio cable.
For terminated audio cable, check to see that the resist-
ance reading of the cable from the 1x6 Audio Bridging
Module in the SMC, is nearly the same as the resistance
of the terminals on the volume control or speaker to which
the audio cable run is terminated. A measurement close
to the resistance of the volume control or speaker indi-
cates the cable is continuous and without shorts.
10.4.3 RG-6 Quad Shield Cable
For RG-6 quad shield cable runs, use the MicroTest
Microscanner to determine shorts, continuity, termina-
tion location (for checking labeling) and length of
cable. As a less effective alternative, for unterminated
RG-6 quad shield cable, use a multimeter or volt-ohm
meter to check the resistance between the shield and
center conductor on RG-6 quad shield cable. If the
meter shows a finite resistance reading (below 100 K-
ohms), then the cable has a short and that cable run
fails the test.
For RG-6 coax that is terminated in a Leviton 1xN split-
ter, or in a run with a 75 Ohm termination cap, the
resistance measurement should be near 75 Ohms to
pass the test.
A coax cable tester will indicate faults and breaks in
coax cable.
Prior to the installation of the end point device (TV, VCR,
etc.), the cable can be tested by plugging it into the
back of a small, portable TV.
10.5 Category 5 or 5e Testing
A measurement must be done for one of the following:
• Link
• Channel
A link (also called a Basic Link) is the permanent part
of the cable run. It can be up to 295 conductor feet (90
meters) long from the SMC to the termination point.
10-3
Installation Manual
10
TESTING
Documentation
and Testing