CAT5 FireWire Extender (Up to 75m) - from LINDY UK
Firewire - Ethernet adaptor | MacRumors Forums
Amazon.com: SinLoon IEEE 1394 Firewire Cable1394 6 Pin Male to 4 Pin Male DV Cable Data Transfer Adapter Converter Cable for Digital Camera Computer Laptop 1.8m Black (6pin Male/4pin Male) : Electronics