USB DIRECTOR/4-PORT HUB
1. Specifications
Software Requirements — USB-enabled opera-ting system such as Windows® 95 OSR2.1 or later, Windows 98, or Windows NT® 5.0, Windows 2000, any Macintosh operating system with USB support
Cable Wiring — 90 Ω ±15% unshielded or shielded for low-speed devices; 90 Ω ±15% shielded for full- speed devices
Maximum Individual Cable Length — Full-speed device: 5 meters (16.4 ft.) shielded cable; Low-speed device: 3 meters (9.8 ft.) unshielded/shielded cable
Wiring Topology — Tiered star, point-to-point connection
Access Method — Differential and bi-directional per USB spec 1.0; 12 Mbps full speed and 1.5 Mbps low speed; The hub supports both full
and low speeds. The hub is considered a full-speed device.
Maximum Hubs in Daisychain — Five (six cables, end-to- end maximum)
Maximum Devices — 127
Standards Conformance — USB specification 1.0
