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Instructions Accton Technology, Modèle USB204A

Fabricant : Accton Technology
Taille : 593.79 kb
Nom Fichier : usb204a.pdf
Langue d'enseignement: en
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USB Hu. Introduction Accton.s USB204A offers a convenient and cost-effectiv. means of bringing Universal Serial Bus (USB) connectivity t. the desktop. Accton.s Universal Serial Bus products featur. true plug-and-play connection of PC peripherals "outside th. box" and mark a significant advance in desktop cabl. management. These state-of-the-art, practical product. provide ease-of-use benefits to PC users in the home, office. and on the road. The USB204A provides 4 downstream ports, for connection t. USB-equipped peripherals (including other hubs), and . upstream port for connection to your PC's USB port, or t. another USB204A. The hub features a compact case wit. EZ-mount bracket for upright, flat, wall, or under-des. mounting. Five USB hubs can be daisy-chained together i. series, supporting any combination of devices up to . maximum of 127 (including the hubs). The components of the USB204A are shown in the figur. below: 2 Quick Installation Guid. Check the Package The USB204A includes. . 1 USB204. . 2-meter shielded USB cabl. . 1 hub stan. . 1 power adapte. . 1 user guid. . 1 registration card (please return. System Requirements The USB204A requires the following basic host PC features t. operate. . A host PC that supports the Universal Serial Bus (USB. . A PC operating system with a generic USB hub driver. including Microsoft Windows 95 (OSR2.1 or later), 98, 200. Mount the Hub The USB204A with its flexible stand can be mounted on an. flat or vertical surface. To mount the hub on a vertical surface: To mount the hub on a flat surface. . Slide the stand onto the hub base (t. stand upright) or back (to lay flat). . Place the hub on any convenien. flat surface, such as a desktop o. nearby shelf. . First secure the stand t. the desired location, suc. as a wall or side of desk. You may use two smal. screws, Velcro. strips, o. any other technique. . With the stand secured, slide the hub.s back onto the stand. Hub Operation The USB204A is a device used to extend the host PC US. interface. The hub supplies 4 additional USB ports to attach t. devices or other hubs. The host PC has the ability turn on or off any hub, individua. port, or a device attached to a port. The USB204A als. supports the energy-saving suspend, resume and remot. wake-on-ring functions. What.s more, the Hub and eac. downstream port are overcurrent and short-circuit protected. Please note the following general points about USB hu. operation. . Hubs and devices are hot pluggable and can be connected. disconnected at any time, even while the host PC i. powered on. 3 USB Hu. . Hubs can be daisy-chained up to 5 deep in series, or in an. combination that does not exceed 127 devices. . Hubs are dual-powered devices. They can be powered vi. the uplink connection (bus-powered), or by an optiona. power supply (self-powered). . When bus-powered, downstream ports support only .low. power. devices, such as a mouse, keyboard or a self. powered hub. . When self-powered, downstream ports can support .high. power. devices, such as a printer or a bus-powered hub. Note: A USB204A must be self-powered by an optional power adapte. to daisy-chain to another hub that is only bus-powered. Connect the Hub to the Host PC The USB204A should be connecte. directly a host PC.s USB port. The hu. only has to be plugged in to the hos. USB connector to operate. Up to . other hubs can then be daisy-chaine. in series from the first hub. 1. Prepare standard shielded 90W US. cable with Type-A (upstream) an. Type-B (downstream) plugs o. each end. The maximum cabl. length is 5 meters (16.4 feet). 2. Connect the Type-A end of the cable to the host PC.s US. port and the Type-B end to the hub. 3. Check that the hub.s upstream port LED is green. If this LE. is red or off, then follow the advice in the sectio. .Troubleshooting. to diagnose the problem. Connect Devices to the Hub Before connecting devices to the hub. check the USB interface requirements. Devices can be .low-power. or .high. power,. with .low-speed. or .full. speed. signaling. The USB204A is . high-power, full-speed device. Refer t. instructions supplied with each US. device for their individual operation. 1. Prepare standard 90W USB cabl. with Type-A (upstream) and Type-. (downstream) plugs on each end. Low-Speed Devices. Shielded or unshielded 90W USB cabl. Full-Speed Devices. Shielded 90W USB cabl. Cable Length. Maximum 3 m (9.8 ft) for unshielded cabl. Maximum 5 m (16.4 ft) for shielded cabl. 4 Quick Installation Guid. 2. Connect the Type-A end of the cable to one of the hub.. downstream ports and the Type-B end to the USB device. 3. Check that the hub.s downstream port (green) LED is on. I. this LED is off, then follow the advice in the sectio. .Troubleshooting. to diagnose the problem. Troubleshooting The USB204A can be easily monitored through its indicators. You should be able to quickly resolve any problem by followin. the troubleshooting steps listed below. If you cannot solve th. problem, contact your Accton d...


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