Kramer Electronics VS-30FW VS-30FW is a high performance bi-directional hub/repeater for 9-pin FireWire 800 (IEEE 1394b) signals. It will increase the number of ports available and/or will extend the distance of FireWire cable runs. Ports - 3 bilingual IEEE 1394b 800Mbps (S800). Range - Doubles Firewire cable range from 14.75feet (4.5m) to 29.5feet (9m). Multiple units can be cascaded to extend the range to up to 236feet (72m). Hot Swapping - Supports Plug and Play. Transfer Rates - 100, 200, 400 and 800Mbps. ESD Protection - Incorporates Kramerfeets Spark-Guard Pro signal protection circuitry to help protect against EDS (electrostatic discharge) which can damage digital equipment. Requires 9-Pin Firewire 800 Cable. Compact Kramer TOOLS - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack.