Upgrade Kit Only for Dual 3108 Serial Relay Control

Simple upgrade kit for our 8-Channel Serial Port Isolated IO Relay Controller that enables you to link two 3108 units together to provide a total of 16 Relay Outputs and 6 external Inputs running from a single serial port...

For more information on Upgrade Kit Only for Dual 3108 Serial Relay Control talk to QUASAR ELECTRONICS LIMITED