Samsung
SVM-400 Voice Mail System Installation Manual
Installing the Battery
Selecting the Battery
You need a battery to operate the system if a power failure occurs. The battery required is DC
48V (6AH~40AH). If an excessively large capacity battery is used, this may cause a system
breakdown. If the capacity of the battery is too small, the system may not operate
satisfactorily.
Battery Specification
Consider the following specifications when you select a battery.
Item
Charge
Discharge
Minimum load current (A)
0
0.04
Maximum load current (A)
0.3
0.4
Rated output current (A)
0.1
0.2
Rated output voltage (V)
54
48
Current consumption of general telephone: 30mA
How to Install the Battery
WARNING
Ensure the mains power is switched ON before connecting the battery.
Failure to do so may result in severe injury.
1. Connect the red lead of the battery connection cable to the positive (+) terminal of the battery
and connect the black lead to the negative (–) terminal. If the polarity is not correctly set, the
battery fuse (F2) in the power supply unit will blow.
The locations of the battery fuse (F2) and AC power fuse (F1) are as shown below. Take care not
to confuse them.
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