NDS3107C Multiplexer User Manual
20
Chapter 5 Trouble Shooting
DEXIN’s ISO9001 quality assurance system has been approved by CQC organization. For
guaranteeing the products’ quality, reliability and stability, all DEXIN products pass the testing
and inspection before products are shipped out factory. The testing and inspection scheme
already covers all the Optical, Electronic and Mechanical criteria which have been published by
DEXIN. To prevent potential hazard, please strictly follow the operation conditions.
Preventive Measures
Installing the device at the place in which environment temperature is between 0 to 45 °C
Making sure good ventilation for the heat-sink on the rear panel and other heat-sink bores if
necessary
Checking the input AC within the power supply working range and the connection is correct
before switching on device
Checking the RF output level varies within tolerant range if it is necessary
Checking all signal cables have been properly connected
Frequently switching on/off device is prohibited; the interval between every switching on/off
must be greater than 10 seconds.
Conditions need to unplug the power cord
Power cord or socket damaged.
Any liquid flowed into device.
Any stuff causes circuit short
Device in damp environment
Device was suffered from physical damage
Longtime idle.
After switching on and restoring to factory setting, device still cannot work properly.
Maintenance needed
