Instruction manual
Contents
Chapter 4 – Universal Slot PCBs
Strata DK General Description 6/00 iii
Chapter 4 – Universal Slot PCBs
Station PCBs .........................................................................................................................................39
Digital Telephone Interface Unit (PDKU2) ................................................................................... 39
Digital/Standard Telephone Interface Unit (RDSU) ...................................................................... 39
Strata AirLink Wireless Interface Unit (RWIU) ............................................................................40
CO Line/Digital Telephone Interface Unit (KCDU) (DK40i only) ...............................................40
Electronic Telephone Interface Unit (PEKU) ................................................................................ 40
Standard/Electronic Telephone Interface Unit (PESU)..................................................................40
Standard Telephone Interface Unit (RSTU2).................................................................................40
Console PCBs........................................................................................................................................41
Attendant Console Interface Unit (RATU, DK424i only) .............................................................41
CO Line PCBs.......................................................................................................................................41
Caller ID Interface Unit (RCIU2)................................................................................................... 41
Loop Start CO Line Interface Unit (RCOU) ..................................................................................42
Ground/Loop Start Interface CO Line Interface Unit (RGLU2)....................................................42
Direct Inward Dialing Interface Unit (RDDU)............................................................................... 42
Tie Line Unit (REMU) ................................................................................................................... 42
Voice Over IP Gateway (BVPU)....................................................................................................43
T1/DS-1 Interface Unit (RDTU2) ..................................................................................................43
ISDN Primary Rate Interface Unit (RPTU) ...................................................................................43
ISDN S/T-type Basic Rate Interface Unit (RBSU) ........................................................................43
ISDN U-type Basic Rate Interface Unit (RBUU) .......................................................................... 44
Enhanced 911 CAMA Trunk Interface Unit (RMCU/RCMS).......................................................44
Summary of PCBs and Subassemblies ................................................................................................. 45
Option Interface PCBs ..........................................................................................................................48
Option Interface Unit (PIOU).........................................................................................................48
Simplified Option Interface Unit (PIOUS)..................................................................................... 48
External Page Interface Unit (PEPU).............................................................................................48
Single Serial Interface Unit (RSSU)............................................................................................... 48
Serial Interface Unit (RSIU, DK424i only)....................................................................................49
Option Interface PCB Compatibility..............................................................................................50
Chapter 5 – Stations and Peripherals
Digital Telephones ................................................................................................................................ 52
DKT2001........................................................................................................................................53
Liquid Crystal Display (LCD) Telephones...........................................................................................54
Speakerphones....................................................................................................................................... 55
Peripherals............................................................................................................................................. 56
Digital Telephone Upgrade Options .....................................................................................................57
Digital Add-on Module (DADM)...................................................................................................57
Integrated PC Interface (RPCI-DI).................................................................................................57
Headset/Loud Ringing Bell Interface (HHEU) .............................................................................. 57
Microphone Unit (RFDM)..............................................................................................................57
Speaker Off-hook Call Announce (DVSU)....................................................................................58
Stand-alone Data Interface Unit (PDIU-DS) ........................................................................................58
Cordless Digital Telephones .................................................................................................................58
DKT2104-CT..................................................................................................................................58
DKT2004-CT..................................................................................................................................59
Strata AirLink Wireless Handset .......................................................................................................... 59










