Operation
Section 1
Page 12
Voltage
RED to RING
BLACK to TIP
GREEN to GROUNDED SHIELD
Hookup:
R
B
G
About the Voltage Test
The VOLTAGE key detects and measures for central office
battery or foreign DC and AC voltages on a pair, updating
the measurement continually.
Note: Voltage accuracy can be affected when source impedance
exceeds the 900/900M Series Test Set input impedance of 1.11
Megohms. The user can compute the true voltage reading
considering the 1.11 Megohms input impedance if accuracy is
required.
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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