Specifications

SAMSUNG General Description
DCS-816 February, 1999
2 - 1
PART 2. HARDWARE DESCRIPTIONS
2.1 DCS-816 BASIC KEY SERVICE UNIT
The DCS-816 Key Service Unit (KSU, Figure 2-1) is a single metal cabinet containing the
following:
2.1.1 016 Base Key Service Unit
• 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
• 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
• 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.
2.1.2 216 Base Key Service Unit
• 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 trunk interfaces
• Twelve (12) digital keyset interfaces
• Four (4) single line telephone interfaces with loop-disconnect facilities
Figure 2-1