Validatingtelephone Service And Polarity - Fluke IT100 IntelliTone Toner User Manual

IT100
Users Manual
Validating Telephone Service and
Polarity
The toner detects telephone service and circuit polarity on
its banana, RJ11, and RJ45 jacks.
This test requires power from the Central Office
battery.
1. Turn off the toner.
2. Connect the toner to the circuit as shown in Figure 2.
Disconnect unused test leads and connectors from
the toner.
3. Turn the toner's rotary switch to SERVICE.
4. The LEDs indicate telephone service and polarity as
shown in Figure 2.
The toner checks for continuity between the red and
black test leads and across the middle pair of the
RJ45/RJ11 jack (line 1).
8
Note
Telephone
punch-down
block
SERVICE
Figure 2. Validating Telephone Service and Polarity
RJ45
RJ11
Line 1
Green = + polarity
(red connected to tip)
-
Red = polarity
(red connected to ring)
Yellow = ringing voltage
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