Guntermann & Drunck USB 2.0 Ranger 2304-LAN - Manual (Page 14)

PROBLEM CAUSE SOLUTION
Link LED on LEX
and REX units are
blinking slowly. • The units are paired with
each other but have not yet
established a link. 1. Wait for a few minutes for the LEDs to go solid.
2. If LEDs do not go solid, contact your network
administrator to determine if any traffic is being
blocked between the units.
Link LED on LEX
unit is on, Host
LED on LEX unit
is off. • The host computer is not
powered on.
• The LEX unit is not
connected to the computer .
• The host computer is not
recognizing the LEX.
• The computer does not
support USB hubs.
• The Ranger 2304-LAN is
malfunctioning.
1. Disconnect all USB devices from the REX unit.
2. Disconnect the LEX unit from the computer.
3. Disconnect the REX unit from the AC power
adapter.
4. Reconnect the LEX unit to the computer.
5. Reconnect the REX unit to the AC power
adapter.
6. In the Universal Serial Bus controllers section of
Device Manager, check that the Ranger 2304-
LAN is recognized as a “Generic USB Hub”.
My USB device
does not work
properly. • Insufficient bandwidth is
available on the network to
support the device.
• The device is an isochronous
type device (webcam, audio
device, etc).
1. Connect the LEX and REX directly to each other
and try the USB device again.
2. Isochronous devices are not supported by the
Ranger 2304-LAN
My USB device
does not work at
all. • Insufficient bandwidth is
available on the network to
support the device.
• The LEX is not paired to the
wrong REX.
• The device is an isochronous
type device (webcam, audio
device, etc).
1. Connect the LEX and REX directly to each other
and try the USB device again.
2. Follow the instructions on page 11 and pair the
LEX to the REX that is connected to the device
you wish to use.
3. Isochronous devices are not supported by the
Ranger 2304-LAN
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