SAMSUNG General Description
DCS-816 March 1999
2 - 1
PART 2. DCS-816 - HARDWARE DESCRIPTIONS
2.1 Basic Key Service Unit
The DCS-816 Key Service Unit
(KSU, Figure 2-1) is a single metal
cabinet containing the following:
• A power supply
• Processing, memory and switching:
CPU (68EC000), 2 Mbyte program memory,
256 Kbyte data memory with a backup super
capacitor, real-time clock
• Two (2) analogue C.O. line interfaces with
connections for PRS or MPD chips.
• Twelve (12) digital keyset interfaces
• Four (4) single line telephone interfaces
with loop-disconnect facilities
• One (1) Internal Music source or an External
Music interface for Music-on-Hold and Back-
ground Music
• One (1) External Page interface
• One (1) general-purpose dry contact
• Two (2) Power Failure Transfer relays. Two (2) pre-assigned analogue trunk lines will be
automatically transferred to station 15 and station 16 respectively in case of power failure.
Which analogue trunk lines are to be transferred must be decided by the installer
• A 1.5W sinusoidal ring generator for single line telephones
• One (1) trunk expansion slot, one (1) SIO option connection for SIO1 and one (1) AA option
connection
• One (1) champ connector and one (1) RJ-45 connector for external connections and other
connectors for the Power Supply Unit and the external backup battery.
Figure 2-1
To Next Page
Loading...
