Telephone Line Tester

Line-Bug 4 - Triplett Test Equipment & Tools

The Triplett Line-Bug 4 is a simple tester to determine if there is damaging telephone line current on RJ-11 and RJ-45 lines. Some LAN lines have telephone current on previously unused pairs. Pre-testing LAN lines with the Line-Bug 4 before testing with a LAN Tester may prevent damage to it. Checks RJ45 connections wired for 568A/B or USOC pinouts. Tests 1-, 2-, 3- and 4-line jacks.

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Telephone Line Testers
Telephone Line
Line
Telephone
Testers
Telephone Line Test
LAN
Current
RJ45
USOC