3.4.3 Cabinet Removal And Replacement - Toshiba Strata DK 280 Installation Manual

3.4.2 Expansion Cabinet Installation
Instructions
Install expansion cabinets (DKSUE280 or DKSUE424)
the following procedure:
Note:
It is recommended to install cabinets from the
top down. The base cabinet should be on top,
the first expansion cabinet below it, the
second expansion cabinet below the first
expansion cabinet, etc.
Remove the front, back, and side covers from the
expansion cabinets (Figure 3-6).
Note:
As shown in the illustration, the two screws on
each side cover and the three screws on the
front cover (the bottom left screw must be
completely removed) should only be loosened
and the covers slid to the right for removal.
2. Hold an expansion cabinet back cover against the
wall so that its top locating parts align with the
bottom locating parts of the base cabinet back
cover (Figure 3-7). To secure the expansion
cabinet back cover to the wall or wall board,
-
repeat Steps 5 11 from Subsection 3.4.1.
To install additional expansion cabinet back
3.
covers, repeat Step 2 above.
Starting with the top expansion cabinet back cover
4.
(which is fastened to the wall), position an
expansion cabinet on the expansion cabinet back
cover cabinet hangers, slide the cabinet to the
right to the proper mounting position, and secure
the cabinet to the back cover with two screws to
the right side of the back cover (Figure 3-9).
Repeat for all other expansion cabinets.
5. Loosen the bonding connection plates fastened on
both sides of the first expansion cabinet, then
fasten the plates between the base cabinet and
the first expansion cabinet (Figures 3-10 and
3-11). Repeat to connect the first expansion
cabinet to the second expansion cabinet, etc.
6. Loosen data cable door locking screws and open
data cable doors; then connect the first expansion
cabinet data cable to the 'CAB 2" (top) data cable
connector on the base cabinet. Install data cables
in appropriate connectors for all other expansion
cabinets (Figures 3-1 0 and 3-1 9).
January 1996
7. After all data cables are installed, close data cable
doors and secure them with the locking screw.
IMPORTANT!
Data cable door screws must be firmly
tightened for proper system operation.
8. Install ground wiring per Section 3.6, power
cabling (AC and reserve) per Section 3.7, and
printed circuit board (PCB) cabling per Figures
3-10, 3-12, and 3-13 and reserve power per
Section 3.8.
9. Fill out cabinetklot identification labels on each
cabinet (Figure 3-12).
10. Reinstall covers onto cabinets (Figure 3-6).

3.4.3 Cabinet Removal and Replacement

Cabinet Removal
Use the following procedure to remove the base
cabinet (DKSUB280) or an expansion cabinet
(DKSU E280 or DKSU E424):
1. Turn the system power off, and remove front and
side covers from the cabinet to be removed. (If
removing an expansion cabinet, turn off both the
expansion and base cabinet power supplies.)
2. Unplug the AC power cord of the cabinet, and, if
applicable, unplug the reserve power battery cable
connected to the power supply of the cabinet
(Figure 3-20).
3. If an outlet power strip or a battery distribution box
is connected to the cabinet, remove them (Figure
3-20).
4. If removing an expansion cabinet: Disconnect
intercabinet ground wiring(s) connected to the
cabinet power supplies (Figure 3-1 9).
5. Disconnect the Frame ground wire from the
cabinet (Figure 3-1 9).
If removing an expansion cabinet: Remove the left
side cover from the base cabinet, and disconnect
the data cable of the cabinet that is to be removed
from the data cable connector on the base cabinet
(Figure 3-10).
Loosen any bonding connection plates connecting
7.
the cabinet to any cabinet above or below it
(Figures 3-1 and 3-1 1).
0
3-1 7