Do you worry about "frying" your tester in error ???
The new VDV II Series are easy to use cable testers that check the integrity of copper cables commonly found in domestic, commercial or industrial voice, data or video installations, including telephone wiring, data network and video/security cabling.
Accuracy - TDR is used for accurate distance measurement (Pro version)
Speed - Instantaneous, easy to read test result
Intelligence - Identifies analog (PBX) and digital (ISDN) telephone services and comes with PoE service detection with voltage information eliminating the worry about whether voltage is present.
For more information, visit www.vdvii.com