Samsung DCS-408i - How to Install the Battery; Battery Connection Warning and Procedure

Samsung
DCS-408 & 408i Keyphone System Installation Manual
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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 bat-
tery 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.
2. Turn on the AC power switch next to the AC INPUT connector.
3. Remove the side cover of the system as described earlier. The port for battery connection
(BATT) is located at the lower right-hand side of the unit. Connect the end of the battery
connection cable to this port.