Table Of Contents
Installing or Replacing the Backup Battery
Before Beginning the Installation or Replacement
Opening the Access Point Radio Cover
Removing a Backup Battery
Installing a New Backup Battery
Connecting the Backup Battery Cable and Closing the Radio Cover
What to do Next
Installing or Replacing the Backup Battery
This chapter describes the procedures to install or replace the backup battery in the access point. These sections are included in this chapter:
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Before Beginning the Installation or Replacement
•Opening the Access Point Radio Cover
•Removing a Backup Battery
•Installing a New Backup Battery
•Connecting the Backup Battery Cable and Closing the Radio Cover
Before Beginning the Installation or Replacement
The backup battery is located internal to the access point and attached to the radio cover. The backup battery cannot be installed or replaced in an outdoor environment, you must use a static protected work surface within an indoor environment.
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Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030
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Caution ESD can damage the internal components of the access point. It is recommended that the backup battery installation or replacement procedures be performed by an ESD trained service technician at an ESD-protected workstation.
The following operations summarize the backup battery installation or replacement procedure:
1. If the access point has been deployed, deactivate all power sources, remove all cables, remove the access point.
2. Follow standard electrostatic discharge (ESD) procedures.
3. Place the access point on an indoor ESD-protected work surface.
4. Open the access point's radio cover.
5. If applicable, remove the defective backup battery.
6. Install the new backup battery.
7. Connect the backup battery cable.
8. Close the access point's radio cover.
9. Deploy your access point.
Opening the Access Point Radio Cover
Follow these procedures to open the access point radio cover:
Step 1 Position the access point with the cover attached with hex bolts facing down.
Step 2 Use a #8 Torx screwdriver to unscrew all the Torx screws on the access point cover, but do not attempt to remove the screws (see Figure 4-1).
Figure 4-1 Access Point Radio Cover Screws
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Radio cover Torx screws
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Step 3 Carefully open the cover.
Removing a Backup Battery
Follow these steps to remove a backup battery:
Step 1 While holding the access point cover open, carefully disconnect the backup battery cable from the internal connector (see Figure 4-2). Be careful not to touch the radio board components.
Figure 4-2 Battery Backup Location
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Backup battery
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3
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Internal connector for the backup battery cable
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2
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Backup battery cable
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4
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Radio boards (Do not touch)
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Step 2 Carefully place the cover onto your static-protected table.
Step 3 Use a phillips screw driver to remove the four screws attaching the backup battery to the cover
(see Figure 4-3).
Figure 4-3 Backup Battery Screws
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Battery backup screws (4 places)
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3
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Backup battery
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2
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Battery backup cable and connector
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4
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Access point radio cover
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Installing a New Backup Battery
Follow these steps to install a new backup battery into your access point:
Step 1 Carefully orient your new backup battery as shown in Figure 4-3 over the access point radio cover.
Step 2 Position the backup battery over the four screw holes in the radio cover.
Step 3 Use the four supplied screws to attach the backup battery to the radio cover and tighten to 5.5 to 6.5 in. lbs (0.62 to 0.73 Nm).
Step 4 Position and bend the backup battery cable as shown in Figure 4-3.
Connecting the Backup Battery Cable and Closing the Radio Cover
Follow these steps to connect the backup battery cable and close the access point radio cover:
Step 1 Carefully position the access point radio cover over the access point as shown in Figure 4-2.
Step 2 Hold the radio cover upright while placing the edge of the radio cover on the top edge of the access point.
Step 3 Carefully push the backup battery cable connector into the internal battery connector (see Figure 4-2).
Step 4 Close the radio cover, while being careful not to pinch the backup battery cable.
Step 5 Use a Phillips screwdriver to partially tighten each cover screw in the tightening sequence shown in Figure 4-4. Tighten each screw to 11 to 12 in. lbs (1.24 to 1.36 Nm).
Step 6 Repeat Step 5 using the same tightening sequence to fully tighten each screw to 22 to 24 in. lbs
(2.49 to 2.71 Nm).
Figure 4-4 Radio Cover Screw Tightening Sequence
What to do Next
After you have completed the backup battery procedures, your access point is ready to be deployed. Carefully read and follow the safety and installation guidelines and instructions contained in the "Mounting Instructions" section or the mounting instructions document that shipped with your access point.
