Samsung
DCS-408 & 408i Keyphone System Installation Manual
ā 6 ā
Refer to the cable requirements shown in the following table.
Equipment Cables AWG
Max
Feet
Max
Metres
Digital keyset 1 pr. twisted 24 (0.5 mm) 1300 400
Analogue telephone 1 pr. twisted 24 (0.5 mm) 3000 1000
Doorphone 2 pr. twisted 24 (0.5 mm) 330 100
DPIM 1 pr. twisted 24 (0.5 mm) 1000 300
Line Conditions
When using AWG 24 (0.5 mm) cables, the maximum length of a cable for analogue tele-
phones, digital keysets, doorphones and doorphone interface modules (DPIM) is as shown in
the table above.
Be careful not to fold cables, make contact with other equipment or otherwise damage cables
during installation. Do not run cables outside of the building.
Checking Power
If the keyphone system shares AC power with other machines, problems from noise, mal-
functioning due to voltage drops, or fire may result. Moreover, interruption of power at night
may cause malfunctioning and breakdown of the battery.
CAUTION
: Always use a dedicated, stable AC power supply for the system
Unpacking the System
Unpack your DCS-408/408i digital keyphone system and check that there is no damage to
any item. If you discover any damage, contact your dealer before attempting installation. Also
check that you have received the following items (as well as this manual!).
y DCS-408/408i Digital Keyphone System main unit
y Three screws and three rawl plugs for hanging the unit on the wall
y Cable for battery connection
y Two AC power fuses (F1) - 250V, 2A
y Two battery fuses (F2) - 125V, 3A
y AC power cable
y Four cable ties