Samsung OfficeServ 7400 Technical Manual
Also see for OfficeServ 7400: System administration guideUser guideUser instructionsTechnical manualGeneral description
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OfficeServ 7400 INSTALLATIONTECHNICAL MANUAL PART 3 JANUARY 20113.66Figure 3.59 CNF24 Progress Bar3.4 CONNECTING POWER FAIL TRANSFERThe OfficeServ 7400 offers a Power Fail Transfer feature for analog single line telephones thatare connected to port 1 on the 8SLI/8SLI2, 16SLI2, or 16MWSLI cards.In case the OfficeServ 7400 loses power from its AC source, and no battery backup is available,this feature is automatically activated. The analog telephone connected to port 1 of the SLIwill get C.O. dial tone (direct C.O. line access) activated by an internal relay. For this feature towork, the SLI ports must be wired as shown in Figure 3.51 Pin 4 (TIP) and Pin 5 (RING) from aport on the 8TRK/8TRK2 card must be connected to Pin 1 (TIP) and Pin 2 (RING) on port 1 of anSLI card.Figure 3.17 Power Fail Transfer Connection to 16SLI/8SLIFigure 3.60 Power Fail Transfer Connection to 16MWSLI/16SLI2/8SLI/8SLI25 4 2 1SINGLE LINE PHONERING (5)TIP (4)RING (2)TIP (1) |
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