Reliant Octel 200 and Octel 300 Message Servers PB6001401 Bedienungsanleitung Seite 484

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Seitenansicht 483
9-52
Installation and Maintenance
V
olume
Octel Overture 200/300 Serenade 3.0
PB60014–01
Removing AC Subassemblies from the Octel Overture 200
This
conversion requires the Octel Overture 200 AC-to-DC power supply conversion kit, part number
740-6543-001, which contains the following:
DC power supply unit
DC inlet box
DC backplane harness
T
o remove the a.c. subassemblies, use the following procedures:
1.
Remove the a.c. power supply unit, following the instructions in the Removing the Power Supply
section in this chapter
.
2.
Remove the VCU and CPU cards from slots A8 and A9, respectively
.
3.
Discard the spare fuse attached to the side of the cabinet, located under the power supply unit.
4.
Disconnect the power cord at both ends, and set it aside.
5.
Remove the fan-panel assembly as described in the Removing the Fan Panel from the Octel Overture
200 section.
6.
Remove the AC backplane harness by removing the two screws that hold the connector in the
backplane, as shown in Figure 9-22. These screws can be accessed through the front of the cabinet.
Remove the hardware that secures the ground wires and the connector from the I/O panel. Pull the
harness out of the message server
.
Installing DC Subassemblies in the Octel Overture 200
To
install the d.c. subassemblies, use the following procedure:
1.
Remove the cover on the DC inlet box, as shown in Figure 9-23.
2.
Remove the two black screws that hold the I/O panel to the cabinet, and attach the d.c. inlet box to
the cabinet using two new screws.
3.
Install the d.c. backplane harness, as shown in Figure 9-23.
4.
Secure the fan panel to the cabinet, as described in the Installing the Fan Panel in the Octel Overture
200 section.
5.
Reinstall the VCU and CPU cards in slots A8 and A9, respectively
.
6.
Install the d.c. power supply unit following the instructions in the Installing the Power Supply Unit
section.
7.
Secure the new spare fuse to the side of the cabinet.
8.
Locate the message-server label on the base of the cabinet, at the rear. Mark the box on the label
indicating d.c. power. Remove the mark from the box indicating a.c. power
.
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