Bosch ndn-921 用户手册

en | Safety

FlexiDomeHD 720p IP Camera

AR18-10-B013 | v1.52 | 2011.06

Installation and Operation Manual

Bosch Security Systems

Power lines: An outdoor system should not be located in the 

vicinity of overhead power lines, electrical lights, or power 

circuits, or where it may contact such power lines or circuits. 

When installing an outdoor system, extreme care should be 

taken to keep from touching power lines or circuits, as this 

contact may be fatal.

U.S.A. models only - refer to the National Electrical Code Article 

820 regarding installation of CATV systems.

12 VDC / 24 VAC power source: This unit is intended to 

operate with a limited power source. The unit is intended to 

operate at either 12 VDC or 24 VAC (if PoE is not available). 

User supplied wiring must be in compliance with electrical 

codes (Class 2 power levels). If 24 VAC is used, do not ground 

the 24 VAC supply at the terminals or at the unit's power supply 

terminals.

PoE: Use only approved PoE devices. Power-over-Ethernet can 

be connected at the same time as a 12 VDC or 24 VAC power 

supply. 

The Low Voltage power supply unit must comply with EN/UL 

60950. The power supply must be a SELV-LPS unit or a SELV - 

Class 2 unit (Safety Extra Low Voltage - Limited Power Source).