This unique fiber optical IEEE 1394 Repeater extends any IEEE 1394 device up to 1,640 feet(500m). Due to the nature of digital signals, the copper based IEEE 1394 cables can extend only up to 12 feet. Our extension system uses fiber optical conversion technology to extend IEEE 1394 signals up to 1,640 feet.   Connection Features   Features Extends any IEEE 1394 device up to 820 feet at 62.5/125um and 1,640 feet at 50/125um. Fully compliant with 1394a(DS Port) and 1394b draft stnadard(Beta Port). Offers 400 Mbps full duplex data rate. Plug and play. Installs in minutes. Hassle free installation(No Software installation necessary).   Application Security systems for banks Cameras for monitoring systems IEEE 1394 Camcorders File servers and networks storage   Technical Information Support Operating Speed: S100(122.44M bps) S200(245.76M bps) S400(393.216M bps) Extension Limit : 500M (1640ft) Optical Source : 850 nm VCSEL Using Connection : 1394a DS port *2 Duplex LC Multi-mode Optical Cable Using Fiber : 50 or 62.5/125 Multi-mode Fiber Operating Temperature Range : 0 to 50 degrees Centigrade Storage Temperature Range : -30 to 70 degrees Centigrade Power supply : DC 12V , 600mA Adapter Eye Safety