• On-Line Test: Displays the Ethernet port status, Ping default router, Ping DNS Server and Ping user defined device...etc.
• Off-Line Test: Wiremap/Twised mapping/Cable length/Tone generator and Portfinder
• 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
• Displays the Wiremap and cable faults with remote ID in one screen
• Measures twisted pairs, map. and length of Cat5, Cat5E and Cat6 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 on locates corresponding socket on hub/switch
• Tone Generator sends 1K Hz tone on all pins with 4 tonalities
• RJ45 port protection from damage due to high voltage from telephone line
• Low battery indicator

The NETmapper is a unique and versatile tool for professional network administrators to quickly verifying network connectivity and get essential information from the entire network for troubleshooting. It in corporate both an online active network tester and an offline cable checker. It can also check for polarity and voltage of telephone lines. The NETmapper also has an analog tone generator and portfinder function for network cable and port identification.