FRee 24-hour tech Support: 724-746-5500 blackbox.com © 2010. All rights reserved. Black Box Corporation. RS-232 and RS-422 Code-Operated Switches Control up to eight serial devices—RS-232 or RS-422—from your PC.
Typical application Features Code-Operated Switch (SW853A-R3) Support speeds to 115.2 kbps! » » Keep your connection safe—once a connection is made, other ports are locked out. » DTE/DCE-selectable, so you can switch between a modem and a printer. » Safe for use with laser printers. » Includes a hardware-handshake lead in each direction for added control.
