This Grass Valley analog video router does not come with a power supply. Key point: no power supply included.

Using this Grass Valley analog video router is straightforward. First, connect it to the relevant video devices as you would with other routers. Since it doesn't come with a power supply, you need to use a suitable external one. When plugging in the power, make sure the voltage matches to avoid damaging the router. As for maintenance, keep it in a dry and well - ventilated place. Regularly check the connection cables to ensure they are firmly plugged in. If you notice any abnormal noises or malfunctions, stop using it immediately and check for possible issues.