Kramer VS-4FW | 4−Port FireWire® Repeater/HUB The VS−4FW is a high−performancebidirectional hub/repeater for 6−pinFireWire® (IEEE 1394) signals. It increasesthe number of ports available and/or extendthe distance of FireWire® cable runs. Cascading Operation - Multiple units can be cascaded to create a FireWire® system with up to 63 ports.Range - Doubles FireWire® cable range from 4.5m (14.75ft) to 9m (29.5ft). Multiple units can be cascaded to extendthe range to up to 72m (236ft).Hot Swapping - Supports plug and play.Transfer Rates - 100, 200, and 400Mbps.ESD Protection - Incorporates Kramer’s Spark−Guard Pro™ signal protection circuitry to help protect against EDS(electrostatic discharge) which can damage digital equipment.Compact Kramer TOOLS™ - 3 units can be rack mounted side−by−side in a 1U rack space with the optional RK−3Track adapter. TECHNICAL SPECIFICATIONSPORTS: VS−4FW: Four 6−pin serial 1394 Ports.TRANSFER RATE: 100/200/400Mbps.STANDARDS: IEEE 1394−1995, P1394a.POWER CONSUMPTION: 12V DC, 200mA.INCLUDED ACCESSORIES: 12V DC power supply ,mounting bracket, one 6−pin to 6−pin connector cable.OPTIONS: RK−3T 19" rack adapter.PRODUCT DIMENSIONS: 12.00cm x 7.15cm x 2.44cm (4.72" x 2.81" x 0.96" ) W, D, HPRODUCT WEIGHT: 0.1kg (0.3lbs) approx.SHIPPING DIMENSIONS: 23.20cm x 12.00cm x 8.90cm (9.13" x 4.72" x 3.50" ) W, D, HSHIPPING WEIGHT: 0.6kg (1.3lbs) approx.