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Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Installing and Removing ISMs
Figure 5-11 Installing a DRAM DIMM
Step 8
Replace the chassis cover. For Cisco 2900 series ISRs, see the “Removing and Replacing the Chassis
Cover” section on page 5-4. For Cisco 3900 series ISRs, see the “Removing and Replacing the Services
Performance Engine” section on page 5-6.
Installing and Removing ISMs
A Integrated Service Modules (ISMs) plug into the ISM slot on the motherboard. ISMs are sold as a
spare part, and they have a label that identifies the ISM type. See the following sections for ISM
installation tasks:
•
Software Requirement for ISMs section, page 5-17
•
Locating an ISM section, page 5-17
•
Removing an ISM section, page 5-17
•
Installing an ISM section, page 5-18
•
Verifying ISM Installation section, page 5-20
Caution
Always wear an ESD-preventive wrist strap and ensure that it makes good contact with your skin when
you remove or install an ISM. Connect the equipment end of the wrist strap to the metal part of the
chassis.
Caution
Handle ISMs by the edges only. ISMs are ESD-sensitive components and can be damaged by
mishandling.
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