These simple, inexpensive Ethernet jack/plug combinations used for loopback testing and to convert a standard Ethernet cable to a crossover cable are a no-brainer. Every network person should have one ...

So, we have some testing labs and some equipment in those labs that can connect to a PC with a direct network connection - no router or switch, just a loopback cable to the device. Device is ...

A connector used for diagnosing transmission problems. Also called a "wrap plug," it plugs into an Ethernet or serial port and crosses over the transmit line to the receive line so that outgoing ...