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Installing and Upgrading Internal Components in Cisco 3800 Series Routers
OL-5975-04
Installing a Power Supply in a Cisco 3825 Router
Follow these steps to attach the power supply to the power supply tray.
Step 1 Turn the tray right side up. Align the new power supply with the front wall of the tray.
Step 2 Replace and tighten the screws that hold the power supply to the tray.
Verify that the primary power cable is connected to the motherboard as shown in Figure 69.
Figure 69 Primary Power Cable Motherboard Connection
If you are finished installing components inside the router, continue with the “Reinstalling the Power
Supply Assembly in a Cisco 3825 Router” procedure on page 105.
To install an SDRAM DIMM, continue with the “SDRAM DIMM Removal and Installation” procedure
on page 85. To install an AIM, continue with the “AIM Installation and Removal” procedure on page 88.
To install a PVDM, continue with the “PVDM Installation and Removal” procedure on page 96.
1 Primary power cable
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