AVE Video Serial Synchronous ATM Interface VSSI-PRO - Manual (Page 50)

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PROBLEM SOLVING GUIDE
This section contains a Problem Solving Guide and additional information regarding AVE's interfaces, cables, tips, and
special applications.
No data on screen:
1. Press the reset button on the front panel.
2. Incorrect protocol selected in the ATM SELECT Menu.
3. Data cable is miswired.
4, Data cable is too long or did not use shielded cable.
No video on monitor:
1. VSSI-Pro transformer not plugged in.
2. Video In / Out connectors reversed.
3. No video input signal.
4. Bad video cable or connector.
5. Camera Iris is closed.
Characters Jitter, Jump or Skew The VSSI-Pro requires 1V p-p +/- 20 percent, terminated @ 75 ohms:
1. Darken the gray scale of the characters.
2. Video Input level less than 1VP-P - use an amplifier to get the proper level.
3. Poor input sync signals - too many AC coupled amplifiers in the video input signal.
4. Noisy or poor quality video source- Replace with better source.
5. Check for double termination
Funny characters or garbage on screen:
1. Power disconnected for too long and memory is lost.
2. Lightning strike, power line noise or power surge.
SET-UP dots scroll but the COMPLETED message never appears:
1. Check ATM SELECT for protocol. Try another format.
SET-UP dots do not scroll:
1. Check ATM SELECT for protocol.
2. Check cabling.
No SET-UP Mode:
1. Choose format in ATM SELECT ( Main-Menu )
2. Press Reset.
No Video:
1. Check Power Connections.
APPENDIX B PROBLEM SOLVING GUIDE
VSSI-Pro VIDEO SERIAL ATM INTERFACE
NOTE
" " " " "
Before attempting to install your system, we highly encourage you to get your customer
to demonstrate to you that their ATM is operating properly.