DCS Compact II General Description
Chapter 2. Hardware Descriptions
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CHAPTER 2 Hardware Descriptions
2.1 Key Service Unit
(KP70D–M1/)
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
2Mbyte Program memory, 512Kbyte Data
memory with a back–up super capacitor, real
time clock, a monitor LED and a RAM clear
switch
•
One Internal Music source or an External
Music interface for Music–on–Hold and Back–ground Music
•
One External Page interfaces
•
One general–purpose Dry contact
•
Three universal expansion slots, a MEM card slot, a 2 SLI card slot and a
MISC card slot
•
2 Champ connectors for external connections and other connectors for the
Expansion cabinet and the Ring Generator Unit
Ring Generator Unit
RGU1 (KP70D–BRG1/) or
RGU2 (KP70D–BRG2/)
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.
Figure 2
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