This NVISION NV7256 Plus AES Audio Switching Matrix comes with eight NV7256 AES Sync Output Cards, eight NV7256 AES Input Cards, and two Envoy 2048 X 128 TDM XPT cards. It includes the NV6257 Power Supply which has three power supply modules. One power supply cable is provided, but other connection cables are not included. The package ensures a correct power supply. However, be aware that the video reference loop thru output connector is bent.

Using this NVISION NV7256 Plus AES Audio Switching Matrix is straightforward. First, connect the provided power supply cable to the NV6257 Power Supply to power up the device. Then, you can start using the input and output cards as needed for your audio switching tasks. When using it, be careful with the bent video reference loop thru output connector. Try not to apply too much pressure on it to avoid further damage. For maintenance, keep the device in a dry and clean environment. Regularly check the power supply modules to make sure they are working properly. If you notice any abnormal noises or malfunctions, stop using the device immediately and seek professional help.