Cisco Systems 2900 ユーザーズマニュアル

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Cisco Video Surveillance IP PTZ Dome Camera User Guide, Cisco 2900 Series IP Dome
OL-24281-01
A P P E N D I X
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Troubleshooting
 provides information that may help you if you need to troubleshoot a Cisco 2900 Series IP 
Dome. Do not try to repair a unit yourself. Leave maintenance and repairs to qualified technical 
personnel only.
Table A-1
Troubleshooting the Cisco 2900 IP Dome 
Issue
Possible Cause
Suggested Resolution
Dome does not start properly 
after installation.
The circuit board fuse may need 
to be replaced.
Check the fuse on the circuit 
board inside the back box for 
continuity. Replace the fuse if 
needed.
The back box may not be 
receiving proper voltage.
Check the wiring with a volt 
meter to ensure that the back box 
is receiving proper voltage.
Dome starts correctly, but you do 
not have accurate control.
Switch settings on the dome 
drive are set incorrectly.
Check the signal with a volt 
meter or an oscilloscope. (This 
step does not apply if you are 
using Coaxitron control.)
Ensure that the switch settings 
on the dome drive are set 
correctly (see th
).
No video is displayed.
Power is not connected.
Check the power connector.
Video cable is not connected.
Check the video connector.
TXB-N module is not inserted 
properly.
Reinstall the TXB-N module. 
Make sure the pins on the 
module are inserted correctly.