Operation
Section 1
Page 54
Loss
RED to RING
BLACK to TIP
GREEN to GROUND
Hookup:
R
B
G
About the Loss Test
Use the LOSS key to measure attenuation in subscriber
loops. The unit calls up a milliwatt or step-tone generator
and measures and displays test tone frequency and loss.
Note: If the milliwatt number dials to a combination line (10
seconds of milliwatt tone followed by quiet line), you can press
the NOISE key after the loss measurement to perform a noise
test and power influence calculation on this line.
The 900/900M Series test set can also measure loss from
a tone source on a vacant pair.
Caution
If hazardous voltage warnings are displayed when the test set is
switched on or reset (or at any time during the testing
procedure) follow standard procedures for de-energizing and
discharging cables.
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