LES301A LES301A - KIT LES301AE - KIT 1 - Port 10 / 100 Device Server RS - 232 / 422 / 485 DB9 M Quick Start Guide ® BLACK BOX Access a serial RS - 232 or RS - 422 / 485 device over a 10 - or 100 - Mbps network . Order toll - free in the U.S . : Call...