Cisco 3900 series

A-3
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-02
Appendix A Online Insertion Removal and Hot-Swapping
Hot-Swapping Procedures
Hot-Swapping Procedures
The following items can be hot-swapped:
• Fan trays
• Power supplies only when the router is backed up with an RPS
See the “Replacing a Fan Tray or Air Filter” section on page 5-45 and the “Replacing Power Supplies
and Redundant Power Supplies” section on page 5-28.