Adds RS232, RS422, or RS485 Serial COM Ports to your system.
DIP Switch control with 8 sets of 4-pin DIP switches to control mode settings.
Utilizes a Built-in switching power supply of 100V-240V
Full RS-232 modem control signals and hardware/software flow control.
Automatic transmit and receive control for 2-wire RS-485 half-duplex mode