Fully IEEE 1394 Standard for adapting FireWire 800 9-Pin devices to 4-Pin and 6-Pin FireWire.
Datavideo CA64 FireWire 6F/4M Adapter 30cm
Firewire 4-Pin Female to 6-Pin Male Adapter
Firewire 6-Pin Jack to 4-Pin Plug Adapter
Firewire 6-Pin Plug to 4-Pin Jack Adapter
FireWire Adapter 9-Pin-Male to 4-Pin-Female