IHSE USA 473 Series DSXi KVM Extender - Manual (Page 39)

Troubleshooting
2011-02-23
39
8.4 USB 2.0 Failure
Diagnosis Possible Reason Measure
Connection U between
CON Unit and CPU Unit
 Check interconnect cable U and
connections.
LED Link
Status USB off
USB controller
(CON Unit)
 Check
LED USB Status at
CON Unit.
Source (computer, CPU)  Check status (standby, sleep
mode).
LED Link
Status USB is
flashing
USB controller
(CON Unit)
 Check LED USB Status at
CON Unit.
CPU Unit: LED
USB Status off No USB connection to
CPU
 Check connection of USB cable
to CPU, select another USB port
if necessary.
 Remove USB and power cable
and restart CPU Unit. Connect
power cable first.
CON Unit: LED
USB Status off Problem with USB
connection
 Check connection of USB cable
to USB-HID device.
 Remove DVI and power cables
and restart CON Unit. Connect
power cable first.
USB device
without function Device not detected by
CPU
 Check installation including
required drivers.
 Reconnect USB device.
 Contact dealer if necessary.
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