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 ...

We are now going to examine how to access your computer's serial ports. In order to do this, we need some sort of serial device to talk to. A serial port loopback plug is probably the simplest. These ...

Sunnyvale, Calif.—Fujitsu Components America, Inc. releases a matched-impedance loop-back module for testing systems operating at 500 Mbps to 3.2 Gbps per channel. The new module is an expansion of ...