This is a customized cable, That can not compatible with USB computer to 1394 peripherals, Also not compatible with 1394 computer to USB peripherals. Only Work for DCR-TRV75E DV, Can't work for other 1394 or usb device.
Connector: 1394 4 pin male & USB Type-A male. Supports IEEE 1394 transfer rates of 100/200/400 Mbits, Fully Firewire and iLINK compatible. Molded strain relief enhances durability of cable against stress, Length 100cm.