Figure 4.1 Connecting An External Battery - Samsung OfficeServ 7400 Installation Manual

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The procedure for using a battery cable to connect an external battery to the OfficeServ
7400 system is as follows:
1) Prepare the battery cable that was provided with the OfficeServ 7400 system. The
battery cable consists of a red line and a blue line, and at the end of each line,
GND(red line), -48VDC(blue line) are labeled. The other part of battery cable has a
connector for the battery socket of OfficeServ 7400 system.
2) Connect the red line(GND) of the battery cable to the(+) terminal, and the blue line
(-48 VDC) to the(-) terminal of the battery.
Then, connect the other end of the battery cable to the external battery socket on the
rear panel of the OfficeServ 7400 cabinet. When using two or more OfficeServ
cabinets, prepare as much external batteries as the number of cabinets and connect the
batteries to each cabinet.
Cautions for connecting an external battery
Do not connect external AC power to the system before connecting an external
battery to the system. To do so, may cause electric shock for the system or the
constructor.
Make sure that the polarities(+/-) between the external battery ant the system are
equal.
4-2

Figure 4.1 Connecting an External Battery

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