Operation Manual

DSP-4000 Series
Users Manual
6-4
9. When the displayed length matches the known length of the cable, press
S to store the new NVP value and return to the main Special Functions
menu. To exit the screen without saving the new NVP value, press e.
If the message CABLE FAULT DETECTED appears, verify that the selected
cable type is correct, check the cable for proper pin connections, or calibrate with a
different cable.
Configuring a Custom Test
The Configure Custom Test function allows you to define custom standards for up
to four custom tests. The following parameters and tests are available (tests
available depend on the default standard you select):
• Custom test name (a name you enter for the configuration)
• Default test standard
• Cable name (a name you enter for the cable type)
• NVP (Nominal Velocity of Propagation)
• Maximum cable length
• Fault threshold for impedance anomalies
• Wire map assignments for cable pairs
• Resistance test enabled or disabled
• Impedance test enabled or disabled
• Attenuation test enabled or disabled
• NEXT and NEXT@REMOTE tests enabled or disabled
• ELFEXT test enabled or disabled
• RL test enabled or disabled
• ACR and ACR@REMOTE tests enabled or disabled
• PSNEXT and PSNEXT@REMOTE tests enabled or disabled
• PSELFEXT test enabled or disabled
• PSACR and PSACR@REMOTE tests enabled or disabled
Note
To determine the NVP for a custom test configuration refer to the
previous section, “NVP Calibration.”