Cisco WS-C2950-24 Hardware Installation Guide - Page 170
Installing an ISM
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Installing and Removing ISMs Chapter 5 Installing and Upgrading Internal Modules and FRUs Step 7 Replace the chassis cover. For Cisco 2900 series, see the "Removing and Replacing the Chassis Cover" section on page 5-4. For Cisco 3900 series, see the "Removing and Replacing the Services Performance Engine" section on page 5-6. Installing an ISM To install an ISM, use a number 2 Phillips screwdriver or flat-blade screw drive, and a 1/4-inch nut driver or wrench. Cisco 2900 and Cisco 3900 series routers have one ISM connector on the system board. Step 1 Step 2 Step 3 Read the "Safety Warnings" section on page 5-2 and disconnect the power supply before you perform any module replacement. Access the ISM slot. For Cisco 2900 series, see the "Removing and Replacing the Chassis Cover" section on page 5-4. For Cisco 3900 series, see the "Removing and Replacing the Services Performance Engine" section on page 5-6. Locate the four standoffs from the accessory kit. See Figure 5-13. Figure 5-13 Standoffs 121202 Step 4 Install the four standoffs into the system board in the attachment locations, as shown in Figure 5-14. Use a 1/4-inch nut driver to tighten the standoffs. The locations for ISM standoffs have white plastic grommets surrounding the mounting hole location. 5-18 Cisco 2900 Series and 3900 Series Hardware Installation Guide OL-18712-03