Toshiba Strata DK40 Installation & Maintenance Manual page 4

Contents
Power Supply Removal and Replacement............................................................................ 2-20
Power Supply Removal .................................................................................................. 2-20
Power Supply Replacement............................................................................................ 2-21
Printed Circuit Board (PCB) Installation.............................................................................. 2-21
Base KSU PCBs ............................................................................................................. 2-21
Expansion KSU PCBs .................................................................................................... 2-22
PCB Hardware/Software Options................................................................................... 2-22
PCB Installation/Power Supply Considerations ............................................................. 2-23
PCB Wiring .................................................................................................................... 2-23
Digital Telephone Circuits ............................................................................................. 2-23
K5RCU ................................................................................................................................. 2-24
DTMF Receiver .................................................................................................................... 2-24
Configuration.................................................................................................................. 2-24
K5RCU Installation ........................................................................................................ 2-24
K5RCU Programming .................................................................................................... 2-24
Feature Key Upgrades (KKYS, RKYS2 & 3) ...................................................................... 2-25
KKYS
Auto Attendant...................................................................................................................... 2-25
KKYS Installation .......................................................................................................... 2-25
RKYS2/RKYS3 Auto Attendant and ACD .......................................................................... 2-26
KSTU3
Four-circuit Standard Telephone Interface Unit................................................................... 2-27
KSTU3 Configuration .................................................................................................... 2-27
KSTU3 Installation......................................................................................................... 2-27
KSTU3 Wiring ............................................................................................................... 2-28
KSTU3 Programming..................................................................................................... 2-28
TCOU
Exchange Line Interface Unit ............................................................................................... 2-32
TCOU Installation or Replacement ................................................................................ 2-32
TCOU Removal.............................................................................................................. 2-32
TCOU Programming ...................................................................................................... 2-33
TBSU
Two-circuit ISDN BRI Interface Unit .................................................................................. 2-35
Overview ........................................................................................................................ 2-35
Capacity and Cabinet Slot Information .......................................................................... 2-36
TBSU Installation ........................................................................................................... 2-37
TBSU Programming....................................................................................................... 2-37
Modular Jack Pin Configurations ................................................................................... 2-40
TBSU Premise Wiring Guidelines ................................................................................. 2-41
Connecting TBSU to Network Side (TE-Mode) ............................................................ 2-43
TBSU "TE" Mode Facilities .......................................................................................... 2-44
TOC-ii
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Strata DK40 I&M Manual Spring 1999