Black Box ACS4201A - Manual (Page 25)

TROUBLESHOOTING
25
4. Troubleshooting
There isn’t a picture.
Check the power supply connection at the Local unit. Is the Power (Red LED) at
the Local unit illuminated (see page 24)? If not, the internal power-supply may be
damaged or there may be an internal error.
Check the power supply connection at the remote unit. Is the Power (Red LED) at
the Remote unit illuminated (see page 24)? If not, the internal power-supply may be
damaged or there may be an internal error.
Check that the Interconnection cable is connected at the Local Unit and the Remote
Unit. Is the Link Status LED illuminated (see page 24)? If not, there may be a
problem with the Interconnection cable:
Are there Errors through data transmission over CAT5 Cable (Cable too long, too
high attenuation or too much EMI interferences )? Is the Data Error LED
illuminated or blinking (see page 24)? If yes, check cable length and environment.
Video Okay LED is dark: CPU does not provide a video signal – Check settings of
the graphic card. Try out, connecting a monitor to the local output, to see, whether
ther is a signal or not.
Keyboard
The PC boots fine with no error messages but the keyboard does not work at all
Wrong cable plugged in, keyboard and mouse cables reversed.
Try a different model of keyboard. If the new keyboard works then original one
may be incompatible
Check that the Interconnection cable is connected at the Local Unit and the Remote
Unit. Is the Link Status LED illuminated (see page 24)?
PS2-Mouse
A mouse cursor appears on the screen, but the mouse does not work
Wrong cable plugged in, keyboard and mouse cables reversed.
Try a different model of mouse
The system does not detect a PS/2 mouse, or the application cannot find the mouse.
Wrong cable plugged in, keyboard and mouse cables reversed.
Ensure that the Local Unit is connected to the PC keyboard port to provide power.