RS232 Relay Switch
The ZADR3220PROXR_ZRS RS232 Relay Switch will allow you to connect the board to the DB9 port on your computer or other device.
The board will mount to any existing COM port.
RS232 Relay Switch - ProXR
This is a ProXR board meaning that it has the industry leading command set and the board can be expanded to include up to 256 relays.
Adding relays is as easy as adding expansion boards as your needs arise.
Connect to Other Devices
This RS232 Relay Switch connects to any devices through a DB9 or Direct Wire Connection that has the ability to send Hex/Decimal
byte values. Add relay control to Crestron, AMX or any system that has a DB9 interface or 3-wire connection.
Choose Your Serial Connection Type
There are three RS-232 connection options available for this board.
Wire It Up
Plug It In