SeaI/O OEM User Manual
www.sealevel.com
PO Box 830 – Liberty, SC 29657
864.843.4343
https://www.impulse-embedded.co.uk/products/420u_oem--Digital-Input-Relay-Output-OEM-board.htm
https://www.impulse-embedded.co.uk/products/420u_oem--Digital-Input-Relay-Output-OEM-board.htm