Skip to content
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.

NETmapper Cable Tester and Tone Generator With 4 Remotes, TDR

SKU: TL4-4596
Various lead times may apply to this product. Please contact us for more details.


NETmapper Cable Tester and Tone Generator

The NETmapper is a unique and versatile tool for professional network administrators to quickly verify network connectivity and get essential information from the entire network for troubleshooting. This cable tester incorporates both an on-line active network tester and an off-line cable tester. The NETmapper cable tester can check for polarity and read voltage of telephone lines.

This cable tester also has an analog tone generator and port finder function for network cable and port identification.


  • Incorporates TDR technology
  • On–line test: Displays the Ethernet port status, ping default router, ping DNS server and ping user defined device...etc
  • Off–line test: Wire map/twisted mapping/cable length/tone generator and port–finder
  • Reporting voltage and polarity if voltage is present on pin 4/5 (telephone line)
  • Wire map for cables opened, shorted, reversed, crossed, split pairs, mis–wire, ad shield continuity
  • Wire map results are displayed by pin–to–pin format
  • Displays the wire map and cable faults with remote ID in one screen
  • Measures twisted pairs, map, and length of Cat5, Cat5E, Cat6 and Cat7 cables without remotes
  • Self–calibrating function allows for increased measuring accuracy when testing length of non–standard cables
  • Displays measurements in both meters and ft.
  • Port-finder function to locate corresponding socket on 10/100M or Giga hub/switch
  • Tone generator sends 1kHz tone on all pins with 4 tonalities
  • RJ-45 port protection from damage due to high voltage from telephone line
  • Low battery indicator


Display 128 x 64 dot matrix LCD
Connector Type RJ-45 (main and remote)

+2m less than 10m (+6.56 ft. in less than 32.81 ft.)

+5% over 10m (32.81ft.)

Test Range for Cable Length 1 to 300m (3 to 984 ft.)
Split Pairs Detection Minimum 1m (3ft.)
Tone Generator 1kHz
Operating Temperature 0ºC to 50ºC (–22ºF to 122ºF)
Storage Temperature –30ºC to 50ºC (–22ºF to 122ºF)
Humidity 10% to 90%
Master Dimensions 110 x 78 x 31mm
Remote Dimensions 44 x 32 x 28.5mm
Weight 115 g
Battery 6V; 4 x AAA Alkaline batteries

What's In The Box

  • Qty 1 - NETmapper Cable Tester & Tone Generator With 4 Remotes