September 2007 © 2007 Foundry Networks, Inc. 7 - 1
Chapter 7Maintaining the FastIron GS Hardware
This chapter provides instructions for maintaining the FGS hardware.
WARNIN G: The procedures in this manual are for qualified service personnel.
This chapter contains the following information:
• “Hardware Maintenance Schedule” on page 7-1
• “Replacing a Power Supply” on page7-1
• “Installing or Replacing a 2-port 10-GbE Module” on page 7-9
• “Installing or Replacing a POE Daughter Card” on page 7-10
• “Replacing a Fiber Optic Module” on page 7-15
• “Cleaning the Fiber-Optic Connectors” on page 7-16
• “Digital Optical Monitoring” on page 7-17

Hardware Maintenance Schedule

The FGS switch hardware components require minimal maintenance. Foundry recommends cleaning the fiber-
optic connectors on fiber-optic ports and the connected fiber cable each time you disconnect the cable.
You can replace the following hardware components as needed:
• 2-port 10-Gigabit Ethernet module
• Copper and fiber optic modules (SFPs (mini-GBICs) and XFP transceivers)
• POE daughter card
• Power supplies

Replacing a Power Supply

You can replace a power supply while the FGS chassis is powered on and running. The power supplies are
located in slots at the rear of the FGS chassis.
This section provides information about the following topics:
• Installation precautions and warnings
• Determining which power supply has failed, if necessary