CHAPTER 3. OfficeServ 7400 Specifications
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3.3.2 External Rectifier
The External Rectifier is used to supply power to IP phones or to WBS24 when PLIM is
used in OfficeServ 7400 system.
The additional -54 V power is to be supplied as shown in Figure 3.2, to supplement
insufficient internal power.
Figure 3.2 External Rectifier
External Rectifier Installation
Refer to the
Samsung OfficeServ 7400 Installation Guide
for external rectifier in-
stallation instructions.
Button for Using External Battery
External Battery Connection Socket
A
B
Red Line
Blue Line
OfficeServ
7400
External
Rectifier