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
Problem |
| Cause |
| Solution | |
Remote Unit power |
| • Power supply is not connected or |
| • Make sure outlet is live and transformer is | |
LED does not |
|
| • Make sure 9VDC jack is fully connected to the Remote | ||
illuminate |
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| Unit. |
Local Unit power LED |
| • Power supply is not connected or |
| • Make sure outlet is live and transformer is | |
does not illuminate |
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| • | Make sure 9VDC jack is fully connected to the Local Unit. | |
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No video on monitor |
| • One or more video cables is loose or |
| • Check all video cable connections | |
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| disconnected. |
| • Make sure power LED is illuminated for local and remote. | |
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| • No Power to Remote or Local Units. |
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| If not, see both solutions above. |
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| • Video Cable was not attached when |
| • With all the cables properly connected, reboot the CPU. | |
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| CPU was booted. |
| • | Check cable connections. Make sure they are |
|
| • CAT5 cable is not connected. |
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| properly and completely. |
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| • Check cable connections. Make sure they are | ||
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| properly and completely. |
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Video picture is not |
| • All Video Cables are not firmly |
| • | Check all connections. Make sure all cables are fully |
sharp or is smeared |
| seated. |
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| seated. |
|
| • CAT5 cable is too long. |
| • Verify length is within specified | |
|
| • The CAT5 cable is not properly |
| • | Check cable connections. Make sure they are |
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| connected. |
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| properly and completely. |
|
| • Video quality is not set properly. |
| • See pg. 10 for instruction on "Video Quality Adjustment". | |
Monitor sometimes |
| • Electrical power system is very noisy, |
| • Make sure the interconnection cable is not near any power | |
loses sync, causing it |
| particularly the ground. |
|
| lines. |
to go blank for a |
| • The CAT5 cable is not properly |
| • | Check cable connections. Make sure they are |
second or two |
| connected. |
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| properly and completely. |
The picture on the |
| The video cable was not attached to the |
| With the cables all properly connected, reboot the CPU. | |
monitor is black and |
| CPU when it was booted. |
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white, rather than color |
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A constant vertical |
| CAT5 cable is too close to a strong power |
| Reroute CAT5 cable if possible. | |
wobble appears down |
| source. |
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the screen |
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PC boots with no error |
| • Keyboard cable is loose. |
| • Reseat Keyboard cable and check again. | |
messages, but the |
| • Keyboard in use is not compatible. |
| • Make sure Keyboard is directly connected, not | |
keyboard does not |
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|
|
| through a PS/2 to USB adapter. |
work |
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Wrong or missing |
| The keyboard may be in the wrong mode. |
| • Disconnect keyboard at Remote Unit end and reconnect. | |
characters from those |
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|
| • | Reboot the system. |
typed |
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Connecting the |
| Older keyboards may require higher |
| Change to a newer keyboard. | |
keyboard effects the |
| current than our unit supplies. |
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video |
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Mouse cursor appears |
| • Mouse cable is loose or |
| • Check for quality cable connections to mouse at Remote | |
on the screen, but the |
| disconnected. |
|
| Unit end. |
mouse does not work |
| • Mouse is not compatible. |
| • Make sure mouse is USB type. | |
|
| • Remote connections didn’t |
| • Power down the Remote Unit and then power up again. | |
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| initialize. |
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Cannot enter |
| User is trying to access Command |
| Command Mode is not accessible at the Local Unit. Try again | |
Command Mode |
| Mode from the devices connected to |
| from devices connected to the Remote Unit. (See page 10.) | |
|
| the Local Unit |
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Mouse is not working |
|
| Check to see if MAC mode LED is illuminated. If not, enable | ||
as configured when |
| mode |
| MAC mode (see page 11) | |
connected to a MAC |
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17
