Step 4: Install Ac Power Components; Ac Power Requirements; Cabinet Ac Power Component Description - Toshiba STRATA DK14 Installation And Maintenance Manual

Step 4: Install AC Power Components

AC Power Requirements

The DK424i requires a single-phase, 50/60 cycles power source of 120, 208, or 240VAC, on a
dedicated 20 ampere circuit breaker.
It is recommended that a dedicated AC service panel be used for the DK424i. AC outlets, must be
dedicated to DK424i use, fused, and grounded. Equipment unrelated to the DK424i must not be
connected to the circuit or service panel dedicated to the DK424i.
It may not always be possible to power a complete DK424i from a single circuit breaker
Note
panel. For example, in the case where a cabinet is remotely located.
To avoid accidental turn off, do not configure the outlet serving the DK424i with an On/Off
switch.
AC outlets serving the cabinets must be close enough so that the power cord from the cabinet
power supply or power strip can reach the outlet (these power cords are nine ft.)
AC wall outlets for the DK424i must be on dedicated 20amp breakers. AC outlets must meet
National Electrical codes specifications: NEMA 1-20R for 120VAC or NEMA 6-20R for
208VAC/240VAC.
AC power cabling requirements vary, depending on: The method of cabinet installation (floor or
wall mount), AC power source voltage (120VAC, 208VAC or 240VAC) and the number of
cabinets. Requirements for distribution of AC power within the cabinets of the DK424i are as
described in cabinet AC power distribution below.

Cabinet AC Power Component Description

The table shown below identifies the cabinet parts required to distribute AC power within the
DK424i cabinets.
Table 7-4 Power Cabinet Hardware
Option
Cabinet power strip for 120VAC primary power – provides three standard 120VAC/15A outlets
(NEMA 5-15R) and nine ft. AC power cord with standard 120VAC/15A plug (NEMA 5-15P). This
unit is field installed inside system cabinet side panels. The system can use 12 amps. (max.).
See Figures
One RPSB2 is required for two or three cabinet systems if the local electric code allows only one
AC power cord to be connected to the system.
RPSB2
Note If the local electric code allows only one AC power cord to be connected to the system,
208VAC or 240VAC must be used as primary AC power for systems with four or more
cabinets.
One RPSB2 is required for a three or four cabinet system if the local electric code allows two AC
power cords connected to the system.
Two RPSB2s are required for a five cabinet system if the local electric code allows two AC power
cords connected to the system.
Strata DK I&M 6/00
7-12~7-15.
Step 4: Install AC Power Components
Description
DK424i Installation
7-19