5-4
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Accessing Internal Modules
Accessing Internal Modules
See the following sections for instructions about accessing the internal modules on the router.
•
Cisco 2900 series routers— Removing and Replacing the Chassis Cover section, page 5-4
•
Cisco 3900 series routers— Removing and Replacing the Services Performance Engine section,
page 5-6
Removing and Replacing the Chassis Cover
Cisco 2900 series routers have a removable cover. Cisco 3900 routers do not have a removable cover. All
serviceable components and assemblies are easily removed on the Cisco 3900 series ISR by simply
sliding them out of the chassis.
Warning
Before opening the unit, disconnect the telephone-network cables to avoid contact with
telephone-network voltages.
Statement 1041
Note
Use a number-2 Phillips screwdriver to perform the following tasks.
Removing the Cover
To remove the cover, perform the following steps.
Step 1
Read the “Safety Warnings” section on page 5-2 and disconnect the power supply before you perform
any module replacement.
Step 2
Confirm the router is turned off and disconnected from the power supply or power supplies. If a
redundant power is used, disconnect from the redundant power supply.
Step 3
Place the chassis on a flat surface.
Step 4
Remove the three cover screws at the back of the router cover. See Figure 5-1.
Step 5
Lift the cover from the back edge to a 45-degree angle.
Step 6
Pull the cover toward you to disengage the slots along the front (bezel) edge of the chassis. See
Figure 5-1.
Replacing the Cover
To replace the cover, perform the following steps.
Step 1
Read the Safety Warnings section, page 5-2 and disconnect the power supply before you perform any
module replacement.
Step 2
Confirm the router is turned off and disconnected from the power supply or power supplies. If a
redundant power is used disconnect from the redundant power supply.
Step 3
Place the chassis on a flat surface.
Step 4
Hold the cover at a 45-degree angle and insert the cover tabs into the slots along the front (bezel) edge
of the chassis. See
Figure 5-1.
To Next Page
Loading...
Need help?
General