IT100
Users Manual
8
Validating Telephone Service and
Polarity
The toner detects telephone service and circuit polarity on
its banana, RJ11, and RJ45 jacks.
Note
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).
Green = + polarity
(red connected to tip)
SERVICE
Telephone
punch-down
block
Red =
-
polarity
(red connected to ring)
Yellow = ringing voltage
RJ45
RJ11
Line 1
asx01f.eps
Figure 2. Validating Telephone Service and Polarity
Summary of Contents for IT100 IntelliTone Toner
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