User manual

6
Safety Information 2
Electrical shock hazard
• Never attempt to connect the unit to any power source other than the type for which it was intended.
• Use only the power supply provided.
• Never open the casing!
• If a fault occurs, disconnect the power supply unit from the mains supply and from all other devices.
• Install the unit and power it on only in dry, weather-protected areas.
• If safe operation of the unit cannot be guaranteed, remove it from service. This might happen if:
– there is visible damage to the unit or power cables
– the unit no longer works properly
– the unit has been exposed to rain or moisture
– foreign matter has infiltrated the unit
– the unit has been stored in improper conditions
– the unit has been exposed to a high level of stress during transport
In such cases, contact DVTel Technical Support.
Installation and operation
• Always comply with relevant electrical guidelines.
• Before installing or operating the unit, make sure you have read and understood the documentation for all
other equipment connected to it (e.g. cameras, analog monitors, etc.).
• Follow the installation and operating procedures described in this manual. Failure to do so may result in
personal injuries, property damage or damage to the equipment.
Maintenance and repair
• Never open the casing of the 7700 Series unit. It does not contain parts that you can repair or replace.
• Never open the housing of the power supply unit. The power supply unit does not contain parts that you can
repair or replace.
• Ensure that all maintenance or repair work is performed exclusively by qualified personnel (electrical
technicians).