Removing the battery backplane and cables: 2145-SV1

You can remove the battery backplane and cables in a SAN Volume Controller 2145-SV1 node.

Before you begin

DANGER

Multiple power cords. The product might be equipped with multiple power cords. To remove all hazardous voltages, disconnect all power cords. (L003)

This service action assumes that the following conditions are met.

• The node is turned off. Ensure that hosts do not lose access to data in volumes, as described in MAP 5350: Powering off a node.
• The power cables are disconnected.
• The top covers are removed, as described in Removing the top covers: 2145-SV1.
• The batteries are removed, as described in Removing the battery: 2145-SV1.
• The PCI express riser assemblies 1 and 2 are removed, as described in Removing a PCI express riser-card assembly: 2145-SV1.
• The air baffle is removed, as described in Removing the air baffle: 2145-SV1.
• The fan cage assembly is removed, as described in Removing the fan bracket: 2145-SV1.

About this task

To remove the SAN Volume Controller 2145-SV1 battery backplane or the attached cables, complete the following steps, as needed. Figure 1 shows the location of the battery backplane and the cable connectors.

Figure 1. 2145-SV1 battery backplane and cable connectors

•  1  Low Pin Count (LPC) cable connector on the main board
•  2  Battery backplane power sense cable connector on the main board
•  3  Battery backplane power cable connector on the main board
•  4  Battery backplane power sense cable connector on the battery backplane
•  5  Battery backplane power cable connector on the battery backplane
•  6  Battery backplane LPC cable connector on the battery backplane

Figure 2 shows the battery backplane and several cables.

Figure 2. 2145-SV1 backplane and cables

1. Raise the blue locking tabs and slightly pull back the battery backplane, as shown in Figure 3. Then, lift the battery backplane from the chassis.
   Figure 3. Removing the 2145-SV1 battery backplane

   
2. Remove the cables from the cable connectors on the battery backplane.
3. Remove the LPC cable from the LPC connector on the main board.
   Figure 4. 2145-SV1 battery backplane LPC cable and connector

   
4. Remove the power sense cable between the battery backplane and the main board, as shown in Figure 5.
   Figure 5. 2145-SV1 battery backplane power sense cable

   
5. Remove the power cable between the battery backplane and the system board, as shown in Figure 6.
   Figure 6. 2145-SV1 battery backplane power cable