描述： Ideal for point-of-sale applications. Transmits RS-232 up to 4 miles (6.4 km), at 9600 bps, over 4-wire connection. The ME800A-R4 is backwards compatible with the ME800A-R3. 规格： At a maximum speed of 115.2-kbps you can go up to 4000 feet. Must be used in pairs.
RS-232 is the most common serial interface in use today. This means you can use your SHM–C in RS-232 installations—industrial applications; security systems; UNIX?, DEC2, and HP? workstation connectivity; and more.
Choose our 4-Wire SHM–C Async to transmit data up to 4 miles (6.4 km). Run loopback tests simply by pressing a front-panel button. Open the flip-top lid for quick DTE/DCE selection.
