Instruction manual
Strata DK General Description 6/00 i
Contents
Introduction
Organization...........................................................................................................................................ix
Conventions............................................................................................................................................. x
Related Documents/Media.....................................................................................................................xi
General Descriptions .......................................................................................................................xi
Installation and Programming .........................................................................................................xi
Feature Description..........................................................................................................................xi
User Guides for:...............................................................................................................................xi
Quick Reference Guides for:..........................................................................................................xii
CD-ROMs.......................................................................................................................................xii
Chapter 1 – Strata DK14
KSU Architecture.................................................................................................................................... 2
Digital Telephone/Central Office (CO) Line Circuits......................................................................2
Optional Printed Circuit Boards..............................................................................................................3
Central Office Line/Digital Telephone Interface Unit (QCDU2) ....................................................3
Standard Telephone Interface Unit (QSTU2)...................................................................................3
DTMF Receiver/ABR Tone Detector Unit (QRCU3)......................................................................3
Auto Attendant Feature Key (QKYS1) ............................................................................................3
Serial Interface Board (WSIU1)....................................................................................................... 3
Power Considerations.............................................................................................................................. 4
Reserve Power.................................................................................................................................. 4
Power Failure Interface .................................................................................................................... 4
Music-on-Hold (MOH) Interface .....................................................................................................4
Paging Interface................................................................................................................................ 4
Flexible Relay Contacts....................................................................................................................4
Maximum Line/Station Configurations .................................................................................................. 5
Network Requirements............................................................................................................................ 5
Functional Block Diagram...................................................................................................................... 6
System Technology................................................................................................................................. 7
Pulse Code Modulation ....................................................................................................................7
Custom Electronic Circuitry............................................................................................................. 7
Stored Program Control.................................................................................................................... 7
Microprocessors................................................................................................................................7
Maintenance and Programming .............................................................................................................. 8
DKi Admin/DKi Backup..................................................................................................................8










