Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

DK40i Installation
KSU Mounting Considerations
Strata DK I&M 5/993-13
DK40i Installation
Figure 3-8  Base KSU Cables and Connectors
AC DC
POWER
Self-Adhesive
Rubber Pad
Supplied in
plastic bag
with Base KSU. Modular
Connector
RCA Plug
Amphenol
Connector
Tie Wrap
Holder
Base KSU
PIN Jack
Cord (X2)Amphenol
Cord (X1)
Modular
Cord (X5)
Tie Wrap1Amphenol
Clamp
Supplied in
plastic bag
with Base KSU.
AC Power Cord
Do not route power
cord with other cords.
2161 

DK40i Installation
KSU Mounting Considerations
3-14Strata DK I&M    5/99
Figure 3-9 Base to Expansion KSU Connection
Hinge Mount
PULL
LOCK
PUSH
UNLOCK
Safety Lock
(Supplied with
Expansion KSU)
Ribbon Cable
(from Expansion KSU – Plugs into
Expansion Connector (P3) of Base KSU)
Expansion KSU
Green/Yellow
FG2 Wire and Plug
(From Expansion
KSU – Plugs into
TB1 of Base KSU)TB1 (FG2)
P3
Ribbon
Connector
Lock
2162
Base KSU 

DK40i Installation
KSU Mounting Considerations
Strata DK I&M 5/993-15
DK40i Installation
Figure 3-10 Expansion KSU Mounting and Connections
Expansion
Safety Lock
Expansion
KSU Latch
Ribbon Cable
to Expansion KSU
Mounting Hole
and ScrewBase KSU Expansion
KSU
Tie Wrap Holder
FG Screw
AC Cord (44)
4241
FG2 Wire
FG2
POWER SUPPLY ASSEMBLYMODELINPUT: AC127V 2.2A 60 HZOUTPUT: -27.3V 2.8A. -27.3V 0.2A
V. 1A 1996-05 00001TOSHIBA CORPORATIONTPSU16A
MADE INWARNINGHazardous voltage inside!If servicing required...

DK40i Installation
KSU Mounting Considerations
3-16Strata DK I&M    5/99
Figure 3-11 Expansion KSU Slot Lock
The DK16e Expansion Cabinet can be used on the DK40i Base Unit. The DK16e and DK40i 
Expansion Cabinet slot labels are different from the Program 03 slot numbers. Ta b l e  3 - 3 provides 
the slot labels and Program 03 slot numbers.
Table 3-3 DK16e and DK40i Expansion Cabinet Slot Names
DK40i
Slot LabelDK40i Prg 03 
Slot Number
S04 S15
S05 S16
S06 S17
S07 S18
Expansion KSU
Slot Lock
PCB
S06 S07...

DK40i Installation
Reserve Power Option
Strata DK I&M 5/993-17
DK40i Installation
Reserve Power Option
A reserve power source (two customer supplied 12-volt batteries) can be connected to the DK40i 
power supply to ensure uninterrupted system operation in the event of a power failure. A pre-
assembled interface cable for installation of the Reserve Power option is available from Toshiba 
(PBTC-3M), see Figure 3-12.
Figure 3-12 System Power Supply Wiring
Important!Local ordinances may dictate battery type...

DK40i Installation
Power Failure Emergency Transfer Option
3-18Strata DK I&M    5/99
Reserve Power Installation 
1. Connect the PBTC-3M black jumper wire from the positive terminal of one 12VDC battery to 
the negative terminal of the second 12VDC battery. See Figure 3-12.
2. Ensure that a serviceable 10-ampere fuse is installed in the in-line fuse holder of the PBTC-
3M battery cable.
3. Connect the white lead of the PBTC-3M battery cable to the open positive terminal of the 
12VDC battery. Connect the...

DK40i Installation
Power Supply Removal and Replacement
Strata DK I&M 5/993-19
DK40i InstallationFigure 3-13 Base KSU Power Failure Transfer (PFT) Circuit Diagram
Power Supply Removal and Replacement
The power supply (TPSU16A) comes factory-installed in the Base KSU; if necessary, it can be 
removed and replaced.
Power Supply Removal
1. Make sure that the power supply switch is OFF and that the AC power cable is not plugged 
into an outlet. Confirm that the green AC LED is not lit (see Figure 3-14)....

DK40i Installation
Power Supply Removal and Replacement
3-20Strata DK I&M    5/99
3. Unplug the FG2 plug from the Expansion KSU ground wire.
4. Unplug the DC cable from the DC OUT connector (P16).
5. Remove the FG screw from left side of power supply to free FG wire/terminal and building 
ground wire.
6. Unplug the AC power cord from PN2.
7. Remove the seven screws that attach the power supply to the Base KSU. Remove the power 
supply.
Power Supply Replacement
1. Set the power supply in its proper place...

DK40i Installation
Printed Circuit Board (PCB) Installation
Strata DK I&M 5/993-21
DK40i Installation
Printed Circuit Board (PCB) Installation
This section details Strata DK40i system PCBs installation into the Base and Expansion KSUs. 
Also described are optional configuration information and programming considerations for each 
PCB.
Base KSU PCBs
The Strata DK40i processor is built into the motherboard (TMAU2) and comes with eight digital 
telephone circuits (ports). The line circuits are on the TCOU...

DK40i Installation
Printed Circuit Board (PCB) Installation
3-22Strata DK I&M    5/99
Expansion KSU PCBs
A DK40i Expansion KSU from the factory does not come with any PCBs installed. (See Table 2-3 
on Page 2-3 for a list of PCBs supported by the DK40i Expansion KSU and Chapter 7 – DK40i/
DK424 Universal Slot PCBs for detailed descriptions/installation instructions.) Toshiba 
recommends that PCBs which support electronic, digital or wireless telephones be installed into 
slots 15 and 16 because slots 17...