Cisco 1751 - Manual (Page 67)

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Cisco 1751 Router Hardware Installation Guide
78-11258-04
A P P E N D I X
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Installing and Upgrading Memory and
Packet Voice Data Modules
This chapter describes how to install or upgrade memory or data modules in your
router and contains the following sections:
• Opening the Chassis
• Locating Modules
• Installing a Dual In-Line Memory Module
• Installing a Packet Voice Data Module
• Closing the Chassis
Safety Information
This section contains safety information that you should read before installing or
upgrading memory in the router.
Warning Before working on a system that has an on/off switch, turn off the power and
unplug the power cord.
Warning Before opening the chassis, disconnect the telephone-network cables to avoid
contact with telephone-network voltages.