Avlink VAX-2088 - Manual (Page 32)

VAX Matrix Switching System—User Manual
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5. What to do if the serial port (usually refer to the computer serial port) fails to control the VAX
matrix?
Answer: Check that the communication port set by the control software is correctly connected to
the corresponding serial port of the equipment. Also, check if the computer
communication port is in good order.
6. What to do if the corresponding graphics fail to output during VAX matrix switching?
Answer: (1) Check if there is signal on the input end. If there is no input signal, it could be that
the input connection cable is broken or the connector gets loosen. You are advised to
replace the connection cable.
(2) Check if there is signal on the output end. If there is no output signal, it could be that
the cable is broken or the connector gets loosen. You are advised to replace the
connection cable.
(3) Check if the output port number is the same as the controlled port number.
(4) If none of the above circumstances happen, it could be internal failure of the product
itself. You must send for repair by qualified technical engineers.
7. What to do if the power LED is not on, LCD has no display and no response in operation?
Answer: Check if the equipment power input is in good contact.
8. What to do if you sensed power leakage during plugging or unplugging of the audio/video
ports?
Answer: It could be that the equipment power is not properly grounded. You must properly
ground your equipment, otherwise product life can easily be shortened.
9. What to do if the LCD displays normally and the communication port has return code but no
graphics or audio output?
Answer: (1) It could be that the audio/video connectors got loosen. Simply replace the
connectors.
(2) It could be the connection cable short-circuited. Simply replace the cable.
(3) It could be the connection cable is broken. Simply replace the cable.
10. What to do if the VAX matrix panel keys and communication ports are out of order?
Answer: Check if the equipment power input is in good contact and the computer
communication ports are in good order. If yes, it could be some internal failure of the
product, please send for repair by qualified technical engineer.
11. What to do if operation and function failure occurred?
Answer: Check if the equipment and the matrix system are in proper connection. If the problem
persists, send the product to the maintenance center for repair.
NOTE:
Do not replace the power cord yourself. If the power cord is damaged, ask your distributor to
send qualified technician to replace it for you.