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

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Black Box IC165AE manual Specifications, Maximum Devices