NTI XTENDEX 600 Foot Extenders
23
TROUBLESHOOTING
Each and every piece of every product produced by Network Technologies Inc is 100% tested to exacting specifications. We
make every effort to insure trouble-free installation and operation of our products. If problems are experienced while installing this
product, please look over the troubleshooting chart below to see if perhaps we can answer any questions that arise. If the
answer is not found in the chart, a solution may be found in the knowledgebase on our website at
http://information.networktechinc.com/jive/kbindex.jspa
or contact us directly for help at 1-800-742-8324 (800-RGB-TECH) in US
& Canada or 1-330-562-7070 worldwide. We will be happy to assist in any way we can.
Problem
Cause
Solution
Remote or Local Unit
yellow power LED does
not illuminate
Power supply is not connected or
plugged-in.
Make sure outlet is live and AC adapter is plugged-in.
(one for the Remote and one for the Local)
Make sure 9VDC jack is fully connected
Local power LED does
not illuminate when the
CPU is powered
The keyboard connector is not
properly plugged in
Check keyboard connection
No Video on monitor
One or more video cables is loose
or disconnected.
No power to Remote or Local
Units.
Video Cable was not attached
when CPU was booted.
CATx cable is not connected.
Local and/or Remote Unit has no
earth ground
Check all video cable connections
Make sure yellow LEDs are illuminated for local and
remote. If not, see solutions for first two problems above.
With all the cables properly connected, reboot the CPU.
Check cable connections. Make sure they are snapped-
in properly and completely and reboot.
Ensure Local and Remote Units are grounded either
through display or a source that uses a 3-prong power
cord.
Video Picture is not sharp
or is smeared
CATx cable is too long.
Video not adjusted
Verify length is within specified limits-600'.
Check cable connections and power cycle. If model has
manual quality adjustment buttons see page 24 for
adjustment instruction.
The picture on the monitor
is black and white, rather
than color
The video cable was not attached to
the CPU when it was booted.
With the cables all properly connected, reboot the CPU.
A constant vertical wobble
appears down the screen
CATx cable is too close to a strong
power source.
Reroute CATx cable if possible.
Monitor sometimes loses
sync, causing it to go
blank for a second or two
Electrical power system is very
noisy, particularly the ground.
The CATx cable is not properly
connected.
Make sure the interconnection cable is not near any
power lines.
Check cable connections. Make sure they are snapped-
in properly and completely.
Wrong or missing
characters from those
typed
The keyboard may be in the wrong
mode.
Disconnect keyboard at Remote Unit end and reconnect.
Reboot the system.
CPU doesn't detect the
keyboard and the mouse
Keyboard cable or mouse cable
are loose or reversed
CATx cable is too long
Check cable connections
CATx cable can be no more than 600 feet in length
IBM Scroll Point mouse is
not recognized by CPU
Only one IBM Scroll Point mouse is
connected at either the Local or
Remote unit
In order for an IBM Scroll Point mouse to be recognized,
an IBM Scroll Point mouse must be connected at both
the Local and Remote extender units. Otherwise it will
be recognized and work only as a Microsoft Intellimouse.
Image is not displayed
properly, lacks definition
Signal is being skewed by the CATx
cable and not being received correctly
by the monitor .
Check the user's manual for the monitor, projector, or
display equipment for an "automatic adjustment" or
"auto-configure". This is most common to LCD type
monitors.