Toshiba Strata DK14 General Description Manual page 5

Console PCBs........................................................................................................................................ 37
Attendant Console Interface Unit (RATU, DK424 only)............................................................... 37
CO Line PCBs....................................................................................................................................... 37
Caller ID Interface Unit (RCIU2)................................................................................................... 37
Loop Start CO Line Interface Unit (RCOU) .................................................................................. 38
Ground/Loop Start Interface CO Line Interface Unit (RGLU2).................................................... 38
Direct Inward Dialing Interface Unit (RDDU)............................................................................... 38
Tie Line Unit (REMU) ................................................................................................................... 38
T1/DS-1 Interface Unit (RDTU2) (DK424 only)........................................................................... 38
ISDN Primary Rate Interface Unit (RPTU) (DK424 only)............................................................ 39
ISDN S/T-type Basic Rate Interface Unit (RBSU) ........................................................................ 39
ISDN U-type Basic Rate Interface Unit (RBUU) (DK424 only)................................................... 40
Enhanced 911 CAMA Trunk Interface Unit (RMCU/RCMS) (DK424 only) ............................... 40
Summary of PCBs and Subassemblies ................................................................................................. 40
Option Interface PCBs .......................................................................................................................... 43
Option Interface Unit (PIOU)......................................................................................................... 43
Simplified Option Interface Unit (PIOUS)..................................................................................... 44
External Page Interface Unit (PEPU) ............................................................................................. 44
Single Serial Interface Unit (RSSU)............................................................................................... 45
Serial Interface Unit (RSIU, DK424 only)..................................................................................... 46
Chapter 5 - Stations and Peripherals
Digital Telephones ................................................................................................................................ 48
Liquid Crystal Display (LCD) Telephones ........................................................................................... 50
Speakerphones....................................................................................................................................... 51
Peripherals............................................................................................................................................. 52
Digital Telephone Upgrade Options ..................................................................................................... 53
Digital Add-on Module (DADM)................................................................................................... 53
Integrated PC Interface (RPCI-DI)................................................................................................. 53
Headset/Loud Ringing Bell Interface (HHEU) .............................................................................. 53
Speaker Off-hook Call Announce (DVSU).................................................................................... 54
Stand-alone Data Interface Unit (PDIU-DS) ........................................................................................ 54
Cordless Digital Telephone (DKT2004-CT) ........................................................................................ 54
Strata AirLink Wireless Handset .......................................................................................................... 55
Features........................................................................................................................................... 55
PC Digital Telephone (PC-DKT).......................................................................................................... 56
PC Attendant Console (DK-PCATT).................................................................................................... 57
Direct Station Selection (DSS) Console ............................................................................................... 58
Door Phone (MDFB)............................................................................................................................. 58
Door Phone and Lock Control Unit (DDCB) ....................................................................................... 59
External Speaker (HESB) ..................................................................................................................... 59
Toshiba Stratagy and Stratagy DK Processing ..................................................................................... 59
Cabling and Connectors ........................................................................................................................ 60
Station and Peripheral Specifications.................................................................................................... 60
Chapter 6 - Features
System Features .................................................................................................................................... 61
Abandoned Call Numbers .............................................................................................................. 61
Account Codes (Forced/Voluntary/Verified) ................................................................................. 61
Strata DK General Description 5/99
Contents
Chapter 5 - Stations and Peripherals
iii