Specifications

DCS Compact II General Description Chapter 2. Hardware Descriptions
2-1
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 – 1