Samsung
DCS-408 & 408i Keyphone System
4. Turn off the AC power switch and check that the system operates normally.
5. Turn on the AC power switch again.
NOTE: During a power failure, a battery lasts for a minimum of 4 hours if its capacity is DC
48V/6AH, and for a minimum of 8 hours if its capacity is DC 48V/12AH. The expected duration
will vary with telephone usage and the charged state of the battery.
Installing Cables
All lines are connected through the modular jacks on the system after removing the side
cover. The location of each jack is shown below.
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Installation Manual