Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

Introduction
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Introduction
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Strata DK I&M 5/991-1
DK14 InstallationDK14 Installation1
This chapter explains how to install the Strata DK14 system. It includes information on site 
requirements, wiring diagrams, and step-by-step instructions on how to install the unit(s), the 
ground wiring, AC power cabling, reserve power (battery backup) cabling, and PCB cabling.
Inspection
1. When the system is received, examine all packages carefully and note any visible damage. If 
any damage is found, do not open the packages. Contact the...

DK14 Installation
Site Requirements
1-2Strata DK I&M    5/99
Input Power
The system requires an input power source of 115VAC ± 10VAC, 50/60 Hz, 10 amps. The AC 
outlet is recommended to be dedicated and unswitched, with a solid third-wire ground. (See “AC 
Power and Grounding Requirements” on Page 1-3 for details).
This is to eliminate interference from branch circuit motor noise or the like, and to prevent 
accidental power-off. To avoid accidental power turn-off, Toshiba recommends that you do not use...

DK14 Installation
AC Power and Grounding Requirements
Strata DK I&M 5/991-3
DK14 Installation
AC Power and Grounding Requirements
The DK14 requires a solid earth ground 
for proper operation. The AC power cord 
contains a conductor for the “third-wire 
ground” provided by the commercial 
power outlet. 
The third-wire ground should be the only 
ground necessary for the DK14; this 
ground must originate at the buildings 
main power distribution panel and have a 
solid connection to earth ground. (See...

DK14 Installation
AC Power and Grounding Requirements
1-4Strata DK I&M    5/99
AC Power and Third-wire Ground Test
Test the “third-wire ground” for continuity by either measuring the resistance between the third 
prong terminal (earth ground) and a metal cold water pipe (maximum: 1 ohm), or by using a 
commercially available earth ground indicator. If neither procedure is possible, perform the 
following earth ground test procedure.
äTo perform the earth ground test procedure
1. Obtain a suitable...

DK14 Installation
KSU Mounting Considerations
Strata DK I&M 5/991-5
DK14 InstallationKSU Mounting Considerations
The KSU is designed to be mounted on a wall or other vertical surface. Toshiba recommends using 
the following method.
Pre-installation
1. Loosen the screws on the front cover of the 
KSU, and remove the cover (Figure 1-3). 
2. Move the SW1 RAM Storage Battery jumper 
plug strap on the motherboard to the ON 
position (Figure 1-4).
3. If the DK14 is less than one mile from the 
central office...

DK14 Installation
KSU Mounting Considerations
1-6Strata DK I&M    5/99
Mounting the KSU
1. Make sure the power supply switch is turned OFF.
2. Place the KSU on the desired location on the mounting surface and mark the location of the 
four screw holes (there is one on each corner). See Figures 1-3 and 1-5.
3. Make sure the location of the KSU meets the minimum clearance requirements.
4. Drill holes on these marks. 
5. Secure screws approximately two thirds 
of the way into the top two holes on the...

DK14 Installation
Reserve Power Battery
Strata DK I&M 5/991-7
DK14 Installation
Reserve Power Battery
A second HPFB can be installed directly above the unit to supply backup reserve power.
äTo install the Reserve Power Battery and Charger (HPFB)
1. Place the HPFB directly above the DK14 KSU (Figure 1-7).
2. Mark the location of the two screw holes, then drill holes.
3. Screw the two screws two-thirds into the mounting surface.
4. Hang the HFPU on the screws then tighten the screws into the mounting...

DK14 Installation
Power Supply Removal and Replacement
1-8Strata DK I&M    5/99
8. Dress and tie-wrap the HPFB cables.
9. To mount a second HPFB, repeat Steps 1~4, then plug the second HPFB connector in the first 
HPFB and connect an FG wire between each HPFB FG screw.
10. To test the HPFB, remove the DK14 AC plug from the AC outlet. The DK14 AC LED will go 
out, but the DK14 DC LED remains on. Also the system remains in normal working order and 
the HPFB 24V LED remains on.
11. If it is desired to turn...