The IOR is a single 32 Input/32 Output responder which draws its DC operating power from, and communicates with the MX4428 Fire Indicator Panel via the 4 wire loop.
Connection to the MX4428 loop is via demountable screw terminals.
Field connection of inputs/outputs is provided by screw terminals on separate termination boards.
These connect to the IOR by 26-way flat ribbon cables which have to be ordered separately.
The IOR is configured by DIL switches for base address, number of equivalent ADR's, input type and number of output boards.
Part Number PA0473
32 Output Responder also Avaliable