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CHAPTER 1. Ошибка! Стиль не определен.
1-2
© SAMSUNG Electronics Co., Ltd.
1.2 Grounding Conditions
y The following cautions should be taken when grounding the OfficeServ 7100 system:
y The grounding wire of the OfficeServ 7100 system should be grounded to the earth
using a proper material.
y The flow of electric current between the grounding wire of the power plug and the
exposed metal surface of the system should be satisfactory.
y When connecting grounding of external additional equipments to the grounding of the
system, the groundings should be connected through a single connection point.
Cautions for Grounding
- Do not connect the grounding wire of the OfficeServ 7100 system to a power
conduit of a building.
- The standards for power and grounding should comply with the country
standard and the pertinent work should be conducted according to the country
standard.
- External grounding is required to prevent human injuries or system damages
caused by lightning, static electricity, or voltage surge.
- Unplug the AC power code before connecting the ground line. Failure to do so
may cause bodily damage.
- OfficeServ 7100 System should be connected to an outlet with a protective
ground.
- The GND in the back of the OfficeServ 7100 system should be grounded.
1.3 Power Conditions
The power supply board of the OfficeServ 7100 system receives AC input power or battery
power, and supplies -54 V, -5 V, +5 V, +3.3 V, +12 V, and -54 V(Battery) to the system
cabinet.
The power condition is as follows:
y AC 220-240V, 1.5 A, 50/60 Hz, or DC 48 V, 3 A
Table 1.1 Power Standards
Power Supply Standards
Input Power
AC 230 V
Power Supply
Unit(PSU)
Output
Power
- DC -54 V, 1.1 A
- DC +5 V, 5 A
- DC -5.3 V, 0.3 A
- DC +3.3 V, 5 A
- DC +12 V, 0.4 A
- DC -54 V, 0.25 A(for backup)