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LTC 4600 Series | Instruction Manual | Troubleshooting
6
TROUBLESHOOTING
Video Problems
Power Problems
Data Transmission
Problems
Power Problems
Power LED on the Power
Supply Fails to Light
Power LED on all Plug-in
Modules Fails to Light
Power LED on Individual
Plug-in Modules Fails to
Light
Bosch Security Systems | September 20, 2004
•
Verify that a valid video signal is being applied to the transmitter module
•
Verify the integrity of the coax connections between devices and fiber modules
•
Verify that the correct fiber cable is being used (i.e., multimode only)
•
Verify that the length of the fiber optic cable and associated splices do not exceed the allowable optical
loss budget
•
Verify the power cable connections between modules and power pack
•
Verify that the power pack is connected to the appropriate AC power source
•
Verify the polarity of data connections between devices
•
If data transmission is not working over the fiber link, verify that a direct connection between the
associated products operates correctly
•
Verify the integrity of the data cable connections between devices and fiber modules
•
Verify that the correct fiber cable is being used (i.e., multimode only)
•
Verify that the length of the fiber optic cable and associated splices do not exceed the allowable optical
loss budget
•
When using LTC 4671 Series RS-485 modules, review the text regarding the usage of termination resistor
•
Verify power cable connections between modules and power pack
•
Verify that the power pack is connected to the appropriate AC power source
LTC 4637 Series Rack-mount Configurations:
•
Verify that the AC line cord is connected to an appropriate AC voltage source
•
Check and/or replace the AC fuse located near the AC connector on the rear of the power supply
•
Verify that the power supply cable to the circuit board back plane (located on the rear of the card cage) is
properly connected
•
Verify that affected plug-in modules are properly seated onto the back plane 3-pin connector
•
Verify that fuses on the affected plug-in modules are intact. If not, return for repair.
Video Links:
Data Links:
EN | 18
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