This Evertz 7700FR - C Multiframe Chassis comes with three 7767VIP4 - HSN HD/SDI/Analog Input Cards. It also includes the correct power supply. One thing to note is that the power supply fans are a bit louder than normal.

Using this Evertz 7700FR - C Multiframe Chassis is easy. First, make sure you've connected the correct power supply. Then, insert the 7767VIP4 - HSN HD/SDI/Analog Input Cards into the appropriate slots. When operating, be aware that the power supply fans are a bit louder than normal, but this doesn't affect the performance. For maintenance, keep the chassis in a clean and dry place. Regularly check the connections of the cards and the power supply to ensure they're secure. If you notice any problems, it's best to consult a professional.