Specifications, Troubleshooting – Linksys ProConnect Series User Manual

Page 7

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Specifications

Standard

OHCI, UHIC, and USB
Standard v1.0

Ports

1 Root Port; 4 Device Ports

Speed

12Mbps (High Speed)
1.5Mbps (Low Speed)
Depending on Device
Requirements

Data Modes

Isochronous and Asynchronous

Max Devices

127 (when multiple hubs are
daisy-chained together)

LEDs

Bus Power, Self Power,
Activity per port

Power

DC6V, 2.6A

Current

500mA per port (maximum)

Temperature

5°C - 40°C for Safe Operation

Humidity

0% - 80% for Safe Operation

Dimensions

4.0" x 3.75" x 1.0"

Weight

3.7 oz.

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Troubleshooting

1. I plugged a device or other hub into my hub
and it doesn’t work
.

First, verify that all of your cabling is connected
properly. See page 6 for help. Next, verify that
you are using an operating system that supports
USB. Some versions of Windows 95, Windows
NT and a number of Unix-based operating sys-
tems do not support USB.

Some devices require more power than the hub
can supply in bus-powered mode. If a device does-
n’t work and you hub is in bus-powered mode,
plug in the AC adapter.

If you are connecting a device into your hub via a
serial-to-USB or parallel-to-USB converter, make
sure that the device does not require any more
than 500mA of power. 500mA is the maximum
amount of power that a USB port can supply. Any
device that needs more than 500mA of power can-
not be accessed through a USB port.

2. The computer doesn’t recognize the hub or any
other USB device.

The operating system has to support USB.
Windows 95 OSR2, Windows 98, and MacOS 8.1
or higher support USB.

Also, the USB ports on your PC may be disabled
in the BIOS. Use the BIOS menu to enable them.

10

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