Black Box TS300A network cable tester

Locate cable runs and test for continuity and voltage - A must-have tool when you're working in a telco or network environment.
- Trace and locate cable ends by placing the Tone Generator on one end of the cable and the Tone Probe on the other.
- Make connections to RJ-11 and RJ-45 jacks and to any wire pair using alligator clips.

<b>Further Details</b>
- Tests for shorts in the cable and the presence of voltage.
- Works on both Ethernet and telco cabling.
- Switch selectable tone and large LED display.
- Tone Probe has ultrabright LED tip for visibility in dark spaces; filtered circuitry for elimination of fluorescent hum; and safety LED.
- Tone Probe also has volume control and insulated tip to stop accidental shorts when probing punchdown blocks.