Psiber PNG65 Pinger Plus Network IP and Connectivity Verifier is ideal for maintaining and installing computer Local Area Networks (LANs) running the TCP/IP protocol. The Psiber PNG65 has many features such as measuring of speed and duplex of 10/100/1000 base TX links, verification of IP address assignment, ping tests, network performance testing via pocket loss times, DHCP server troubleshooting.