Removing And Replacing The Services Performance Engine - Cisco WS-C2950-24 Installation Manual

Accessing Internal Modules

Removing and Replacing the Services Performance Engine

Modular motherboards, also known as Services Performance Engines (SPEs), are field replaceable units
(FRUs) for Cisco 3900 series ISRs. Install and replace SPEs in the Cisco 3900 series routers without
removing the chassis from the rack. After the SPE is removed, you can access internal modules for
replacement or upgrade.
Use a number-2 Phillips screwdriver for this task.
Note
Read the
Step 1
any module replacement.
Loosen the two captive thumbscrews on each side of the SPE. See
Step 2
Rotate the ejector levers outward on each side of the SPE and carefully slide it straight out of the router.
Step 3
Place it on an antistatic surface.
The SPE is an ESD-sensitive component. To avoid damage, read and observe all ESD precautions noted
Caution
in the
Figure 5-2
1
1
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5-6
"Safety Warnings" section on page 5-2
"Safety Warnings" section on page
Removing the Services Performance Engine from a Cisco 3925 and 3945 Router
2
Captive thumbscrews
Chapter 5 Installing and Upgrading Internal Modules and FRUs
and disconnect the power supply before you perform
Figure
5-2.
2
1
2 Ejector levers
5-2.
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