Fluke 990DSL, Руководство пользователя

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POTS Testing and Fault Location
Dial-Up Test Group
4
4-51
Running a Loop Current & Ground Ohms Test
1. From the POTS Toolbox, select
Loop Cur. & Gnd
Ω , and press
K
.
•
If the T-R DC Voltage measured was not Idle POTS as specified in
DCV Setups, the tester displays a message asking you whether or not
to proceed, to avoid disruption of a possible non-POTS service.
•
If you select
Yes
to continue, and there is insufficient T-R voltage to
yield a meaningful measurement, the tester displays a
No T-R Voltage
message.
•
Otherwise, the tester displays a result screen listing the three test
results.
2. Press the desired function softkey to view continuous test results for any
of the three tests.
Dial-Up Test Group
The Dial-Up Test group consists of terminated VF transmission tests that are
conducted on idle working POTS lines. These tests operate by dialing various
C.O. equipment, with the exception of the DID / DOD tests (*), which are used
to test analog PBX trunk facilities. These PBX tests require an optionally-
purchased software feature package, described in a separate Users Guide
Addendum. The following is a list of test functions in this group:
•
Milliwatt VF Loss Test
•
Quiet Termination VF Noise Test
•
Quiet Termination VF Long. Balance Test
•
Number ANI Test
•
On-Hook Caller ID Test
•
Call Waiting Caller ID Test
•
Monitor Line Function
•
Smart-Pro Test Group
•
SASS Test Group
•
DATU Test Group
•
DATU EXP Auto-Test