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 ...

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 ...