Specifications

724-746-5500 | blackbox.com
Page 14
724-746-5500 | blackbox.com
2-Port CAT5 USB 2.0 Extender with Remote Power
Table 4-1 (continued). Problems/Causes/Solutions.
Problem Cause Solution
The extender units were The remote unit is in 1. Recover/resume the operating system from
working, but the host LED suspend mode. The suspend/standby mode (see your operating system’s
on the local/remote operating system may documentation).
units are suddenly blinking. put the extender in
suspend mode when 2. Attach a USB device to the extender.
the computer is put into
a suspend/standby state
or when no USB devices
are attached.
All LEDs on both the 1. The USB device is 1. Disconnect the extender from the computer.
local unit and the malfunctioning.
remote unit are on, 2. Connect the USB device directly to the USB port on
but the USB device does not 2. The computer does not the computer.
operate correctly or is recognize the USB device.
detected as an “Unknown 3. If the device does not operate properly, consult the user
Device” in the operating 3. The application software documentation for the device.
system. for the device is not
operating. 4. Update your system BIOS, chipset, or USB host controller
drivers from your system/motherboard manufacturer’s
4. The extender is Web site.
malfunctioning. 5. If the device operates properly when directly connected
to a computer, connect another device (of a different
type) to the extender. Connect the extender to the
computer.
6. If the second device does not operate, the extender may
be malfunctioning. Contact Black Box Technical Support
at 724-746-5500 or [e-mail] for assistance.
7. If the second device does not operate properly, the first
device may not be compatible with the extender.
A USB device is attached to A USB device must have Install the required USB device driver on the computer
the remote unit USB port, but the appropriate driver operating system before attaching the USB device to the
the remote unit device LED is off. installed on the computer remote unit unit. See your USB device manufacturer’s
operating system. website for details.
Device LED is orange and units Overcurrent condition has Power cycle the local unit.
are no longer functioning. occurred because USB
device draws more power
than can be supplied per
USB specification
(500mA).
LED Host and Link LEDs on Firmware mismatch 1. Use a different local unit and remote unit that have the
local/remote units blink between the local unit same firmware revision.
intermittently. and the remote unit. 2. Upgrade the local unit/remote unit firmware, contact
Black Box Technical Support at 724-746-5500 or
[e-mail] for assistance.