Cisco 3845 Hardware Guide - Page 128

Removing a PVDM, Installing a Power Supply in a Cisco3825 Router

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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 1 2 1 103468 1 Release clips 2 Tilt the 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. Installing and Upgrading Internal Components in Cisco 3800 Series Routers 98 OL-5975-04

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98
Installing and Upgrading Internal Components in Cisco 3800 Series Routers
OL-5975-04
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
103468
1
1
2