Dexin NDS3524, User Manual

Page: 6 / 14

4
CHAPTER 2 Safety Instruction and Installations
Safety Instructions
WARNING: Hot plug is not allowed since it may cause system halted.
To prevent fire or electrical shock, do not expose the device to rain or moisture.
The encoder modulator is powered with a voltage of 12V DC. The power supply voltage
must not exceed the recommended voltage, which otherwise may cause irreparable damage
to the device and the invalidation of the warranty. Therefore:

Do not replace power supply with a voltage greater than 12V DC.
 Do not connect the device to the power if the power cord is damaged.
 Do not plug the device into mains supply until all cables have been connected correctly.

Do not cut the cord.
Avoid placing the device next to central heating components and in areas of high
humidity.
Do not cover the device with elements that obstruct the ventilation slots.
If the encoder modulator has been kept in cold conditions for a long time, keep it in a warm
room minimum 2 hours before plugging into the mains.
Mount the device in vertical position with the connectors located on the top side.
When replacement parts are required, be sure the service technician has used replacement
parts specified by the manufacturer or have the same characteristics as the original part.
Unauthorized substitutes may result in fire, electric shock or other hazards.
Safety check- Upon completion of any service or repairs to this device, ask the service
technician to perform safety checks to determine that the device is in proper condition.
Installations
RISK of damage to the unit
Mechanically handling the unit may result in damage. Do not connect the unit to the power
supply before or during assembly. Connect the unit as below instructed.
NO HOT PLUG AND CONNECT THE CABLE AS FOLLOWING STEPS.