Final answer:
A FireWire 800 IEEE1394B connector has 9 pins.
Step-by-step explanation:
A FireWire 800 Institute of Electrical and Electronics Engineers (IEEE)1394B connector has 9 pins.
FireWire 800 is a type of IEEE 1394 interface that provides high-speed communication and data transfer between devices such as computers and audio/video equipment. The connector used for FireWire 800 is known as the IEEE 1394B connector. It has 9 pins in a specific configuration.
The pin configuration of a FireWire 800 IEEE 1394B connector includes 2 pairs of twisted pair data pins for high-speed data communication, 2 power supply pins, and 1 ground pin.