Chapter 2 Hardware Descriptions; Key Service Unit - Samsung DCS Compact II General Description Manual

DCS Compact II General Description

CHAPTER 2 Hardware Descriptions

2.1 Key Service Unit

The DCS Compact II Key Service Unit
(KSU, Figure 2–1) is a single metal
cabinet containing the following:
• A power supply
• Processing and switching
• Eight 2B+D digital keyset interfaces
• A removable MEM card, containing
• One Internal Music source or an External
• One External Page interfaces
• One general–purpose Dry contact
• Three universal expansion slots, a MEM card slot, a 2 SLI card slot and a
• 2 Champ connectors for external connections and other connectors for the
Ring Generator Unit
Two kinds of sinusoidal–waveform Ring Generator Units are available. KP70D–
BRG1 drives 3W ring signals while the other provides 20W ring signals. The
larger unit is required when a large number of single line telephones are
operation behind the system.
(KP70D–M1/)
2Mbyte Program memory, 512Kbyte Data
memory with a back–up super capacitor, real
time clock, a monitor LED and a RAM clear
switch
Music interface for Music–on–Hold and Back–ground Music
MISC card slot
Expansion cabinet and the Ring Generator Unit
RGU1 (KP70D–BRG1/) or
RGU2 (KP70D–BRG2/)
2-1
Chapter 2. Hardware Descriptions
Figure 2 1
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