DHG07-48/42 small cell power user manual<A>
10
Vibration: The system can withstand a sine wave vibration with a frequency of (10 ~ 55) Hz and an
amplitude of 0.35mm;
Shock: The rectifier module can withstand a peak acceleration of 150m / s2 and a duration of 11ms;
Sun: With sun protection and heat insulation measures, it can withstand 1120W / M2 solar radiation.
The equipment room should be free of severe dust, explosive and hazardous media, corrosive metals, harmful
gases that damage insulation, conductive particles, and severe mold, and there should be no strong
electromagnetic field interference.
1.6 Working conditions
AC input voltage: The system uses a single-phase three-wire system; the AC input has a rated current output
in the range of 176 to 285Vac; a derated output in the range of 90 to 176Vac.
AC input frequency: 45
～
55Hz;
1.7 Impact on the environment and energy
System cooling method: self-cooling;
System acoustic noise: 45dB;
System conducted disturbance: The conducted disturbance limit meets the requirements of Article 5.1 of YD
/ T983;
System Radiation Disturbance: The radiation disturbance limit meets the requirements of Article 5.2 of YD /
T983.
1.8 Safety
Safety symbol and term
：
WARNING: Alerts you to dangers that can cause personal injury.
WARNING: Alerts you to dangers that may cause equipment failure or damage.
High voltage: It indicates that there is a high voltage above 300V on the device, please pay attention to
personal safety.
Warranty matters:
Beijing Power Source Technology Co., Ltd. solemnly promises to assume the following conditions:
Free warranty for failure.During the warranty period, repair or replacement of faulty equipment is determined by
Beijing Power Source Technology Co., Ltd.
Changes in product functions and performance due to technical updates are not included in this manual.
For special ordering system, please refer to this manual.
After the AC power failure, please ask the user's maintenance personnel to generate power in a timely
manner, on the one hand, it can ensure smooth communication, and at the same time, it is beneficial to battery
maintenance. If not
Generating power in a timely manner will likely disrupt communication, and in severe cases the battery will
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