NVP for generic cable types
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Introduction
Correct configuration of NVP ensures the most accurate determination of cable length during testing.
Solution
These are the values for NVP (%) for some common types of twisted-pair cable.
Standards stipulate that NVP must be specified at 10MHz signal at 20°C (68°F).
(Source: Fluke Networks)
| Category | U/UTP | U/FTP | F/UTP | S/FTP |
|---|---|---|---|---|
| 5e | 69 | - | 69 | - |
| 6 | 69 | 74 | 70 | - |
| 6A | 68.2 | 74 | 74 | 77 |
| 7 | - | - | - | 78 |
| 7A | - | - | - | 78 |
| 8 | - | - | - |
72 |