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Installing Power Boards in Cisco Ethernet
Switch Network Modules
Product Numbers: PPWR-DCARD-16ESW, PPWR-DCARD-36ESW
This document describes how to install the optional power board for the Cisco Ethernet switch network
module if external -48V power for IP telephones is required.
Network module installation documents provide detailed instructions for network module installation
and cabling. You can access these documents at: Cisco Product Documentation > Access Servers and
Access Routers > Modular Access Routers > Cisco platform you are using> Hardware installation
documents for Cisco platform you are using > Network module (netmod) installation
This document contains the following sections:
• Safety Information, page 1
• Tools and Equipment Needed, page 2
• Adding an Optional Power Board, page 2
• Obtaining Documentation, page 4
• Obtaining Technical Assistance, page 5
Safety Information
For safety information you need to know before working on your Cisco router, see the Regulatory
Compliance and Safety Information document that accompanied this device.
Warning
Only trained and qualified personnel should be allowed to install or replace this equipment. To see
translations of the warnings that appear in this publication, refer to the
Regulatory Compliance and
Safety Information
document that accompanied this device.
Caution Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. Always follow ESD
prevention procedures when removing and replacing cards.