Manual_Page 2
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Warning
Please don't use in live circuits. When the POWER LED does not light, you must change the
battery for testing.
Introduction
The LAN/USB Cable Tester is designed to easily read the correct cable pin out configuration.
The cables include the USB (A/A), USB (A/B), BNC 10Base-T, 100Base-TX, 1000 Base-TX,
Token Ring, AT&T 258A, Coaxial, ElA/TlA 568A/568B, and RJ11/RJ12 modular cables.
You can connect cable if you want to test BNC, Coaxial, RCA modular cables, If you want to
test cable installed far away, either on patch panel or wall plate, use the Remote terminator.
The LAN/USB Cable Tester tests RJ11/RJ12 cable, please use the appropriate adaptors and
follow the procedure below to use it very easily and correctly.
Operation
1. Using the master tester, plug one end of the tested cable (RJ45/USB) to the marked with
"TX", and another end of tested cable to the marked with "RX", or Remote terminator
RJ45/USB connector.
2. Turn the power switch to "TEST". In the step by step mode, the LED for pin 1 with light
up. With each press of the "TEST" button, the LED will scroll in sequence. In the "AUTO"
scan mode, the upper row of LEDs will begin to scroll in sequence from pin 1, to pin 8
and ground.
3. Reading the result of the LED display tells you the correct status of the tested cable.
If you read out the incorrect LED display, the tested cable is short open, reversed,
miss-wired, or crossed.
Note: If the battery is low on power the LEDs will be dimmed or will not light up and the
test result will be incorrect.
