The AVerMedia NVDACCBOX Input/Output Box allows you to easily connect digital inputs and outputs to AVerMedia's NV3000 and NV5000 video monitoring cards. When used in combination with AVerMedia's NVD1AUEXT and NVD4AUEXT audio extension ports, the I/O box allows you to connect the video monitoring card's 15-pin I/O socket to a terminal block. In addition, the I/O box supports 4 sensors and 3 relays including infrared sensors, smoke detectors, proximity sensors, and door sensors, and comes with the connecting cables.
| Alarm Inputs | x4 |
| Relay Outputs | x3 |