- An extension relay board for AR-716E
- 8 optical isolation inputs, replacing the door open button of door node ID 1, 2, 3, 4, 10, 11 and 12
- 8 relay outputs from Forc C, replacing the door relays of door node ID 1, 2, 3, 4, 9, 10 ,11 and 12
- Door open time can be set by software