Cisco 3800 Series - Manual (Page 128)

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Installing and Upgrading Internal Components in Cisco 3800 Series Routers
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Installing a Power Supply in a Cisco 3825 Router
Removing a PVDM
To remove a PVDM from the motherboard, follow these steps:
Step 1 Pull the PVDM retaining clips away from the PVDM at both ends, and then tilt the PVDM until it can
be removed from the connector. See
Figure 66 .
Figure 66 Removing a PVDM
Step 2 Place the PVDM in an antistatic bag to protect it from ESD damage.
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 .
If you are finished installing components, continue with the “Reinstalling the Power Supply Assembly
in a Cisco 3825 Router” procedure on page 105 or the “Installing or Replacing the Plug-In Motherboard
in a Cisco 3845 Router” procedure on page 105 .
Installing a Power Supply in a Cisco 3825 Router
Three types of power supplies are available for the Cisco 3825 router:
• An AC power supply, driven by external AC power
• A DC power supply, driven by external DC power
• An IP phone power supply, driven by external AC power. This supply provides power for the router
and a complement of IP phones attached to the router.
The following sections describe how to install each type of power supply.
1 Release clips 2 Tilt the PVDM
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