PictureTel Concorde 4500 Servicing Manual page 115

If you have these
symptoms...
No video and/or no camera
motion from your auxiliary
pan-tilt-zoom (PTZ) camera
(Continued)
No video from the document
camera or from the slide
Þlm-to-video camera
Table 4-6: Peripheral Failure Checklist (Continued)
5. Change the camera cable connection to the Video board:
Note: If you are using an older style PTZ camera, and a
wireless keypad, step 5 will not work.
a. Disconnect the cable from the
on the Video board.
b. Plug the cable into the
of the main (room) camera.
c. Reboot the system.
d. Press
PREVIEW MAIN
If video is displayed, and PTZ operation is restored,
replace the Video board.
If no video is displayed, continue with step 6.
6. Unplug the cables from the auxiliary camera while
maintaining their connection to the Video board, and plug
them into the main camera. Reboot the system and then
PREVIEW the camera.
If video is displayed, replace the auxiliary camera.
If no video is displayed, replace the cable, and repeat
this procedure.
1. Make sure that the cables at the back of the camera are
securely connected.
2. Make sure that the cables from the camera to the back of the
Video board are correctly and securely connected.
3. Make sure the cameras are powered on.
Note: To use more than one connection on the document
camera, only the BNC/RCA connectors can be
used.
Basic Troubleshooting Procedures
Do this...
camera connection
AUX
camera connection in place
MAIN
on the keypad.
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