Exfo FTB-635 Wideband Copper and DSL Test Module Uživatelský manuál stáhnout pdf (Strana 208)

TDR Test

200 FTB-635

Xtalk TDR

 Trace Setup button opens a new page used for trace settings. See

Trace Setup on page 194 for more information.

 Save/Load Trace(s) button is used for loading and saving traces. See

Save/Load Trace(s) on page 196 for more information.

 Save Test button opens a new page that allows you to save a snapshot

of test results into a result file. Refer Save Test on page 74 for more

information.

 Trace allows you to select corresponding configurations showing the

following Trace control values:

 Values: Trace 1 (Live)

 Trace 2 (Static)

 Trace 3 (Static)

 Drop-down lists of the following TDR values allow you to change their

respective parameters for live Trace 1. Modification of the on-screen

parameters will be applied to the live trace for the next cycle of

measurement. When Trace 2/3 is selected, these parameters are

disabled and the list-values are shown as read only.

 Range

 Gain

 Pulse Width

 VoP allows you to change the velocity of propagation value for the

cable using the virtual keyboard. Or to change the value by 0.01,

use the on-screen up/down arrows or up/down arrow keys of the

keypad.

Note: Changes to the VoP only apply during the test, for both factory and user

cables. Upon exiting the test, the original cable VoP value set in the Cable

Book remains unchanged.

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Exfo FTB-635 Wideband Copper and DSL Test Module Uživatelský manuál Strana 208