IRS8 is an interface for the DARS series paging desks
8 â€˜Open Collectorâ€™ outputs with a max capacity of 50mA.
All terminals are removable screw type .
RS485 2wire serial link
24V DC supply to be delivered
4 cards shall be coupled to inccrease the number of outputs and reach a maximum of 32 controls. Adress setting is thru jumpers.