- Drives from 1 to 4 A-BUS modules
- accepts AB-70 & AB-BT20 as same input
- Outputs: Fully buffered A-BUS outputs (2 x RJ-45)
- Input: RJ-45 Phantom power for input interface
- EXPANSION: Multiple ABK-4RJ can be used if more than four modules are required. Can be used to expand the zone outputs of the ABX-88 multi-zone controller. Compatible with AB-62 expansion ports.
- POWER: APS-25 24VDC 2.5A Power Supply (1 power supply included)
- DIMENSIONS: Case size: 162 x 10 x 64mm (WHD)