Test-Um NT955 Step by Step Instructions for Performing Manual Tests, Cable Test, Length

Models: NT955

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5.4.Step by Step Instructions for Performing Manual Tests

Test-Um NT955 Series

ValidatorTM Running Manual Tests

5.4.Step by Step Instructions for Performing Manual Tests

1.From the Start Menu, select Manual Tests. Choose Data, Phone or 2-wire cable type.

Warning! Manual Test Results will NOT be saved.

2.Using the appropriate cable assembly and jacks, connect the Validator-NT main unit to the cable identified in the Test Schedule with the Remote Unit connected to the opposite end.

Cable Test

1.Select Cable Test to initiate a test sequence. The wiremap, length, SNR, and Skew results will display. (Figure 5.5)

2.The up and down arrow keys adjust the length constant by .1 pF increments if the cable requires a different setting than that displayed at the top of the screen.

3.On the DATA test screen, the Length (F1) soft key can be used to run the length portion of the test sequence only, skipping the Skew and SNR tests.

Wiremap - DATA Untitled1.job

100%

2005 Aug 25 Test-Um Inc.

10:53:01 VALIDATOR Cable Test

 

Remote ID: 1

 

 

Length Constant: 15 PF/ft.

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Results

1

 

Length

Skew

SNR

 

 

A

34ft

1.6

30.0

 

 

2

 

 

2

 

34ft

 

 

3

 

 

3

B

0.0

30.0

 

 

6

 

 

6

 

 

 

33ft

4

 

 

4

C

1.9

30.0

5

 

 

5

 

 

 

 

7

 

 

7

D

34ft

0.0

30.0

 

 

8

 

 

8

 

 

 

 

S -X

S

Up and Down controls Length Constant

 

 

 

 

LENGTH

Figure 5.5 Manually Testing Cables

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Test-Um NT955 operating instructions Step by Step Instructions for Performing Manual Tests, Cable Test, Length