Cisco Systems 2821 Series, 2851 Series Figure 2.), 1Location of the arrow

1 20

Figure 2.)

1Location of the arrow

121069

Do Not Remove During Network Operation

COMPACT FLASH

OPTIONAL RPS INPUT

SYS

PWR

AUX/

PWR

SYS

ACT CF

12V 18A

-48V 8A

CONSOLE

AUX

100-240V~ 8A

50/60 Hz

Do Not Remove During Network Operation

COMPACT FLASH

SYS

PWR

AUX/

PWR

SYS

ACT CF

Contents

Main Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers Safety Warnings and Guidelines Safety Warnings Statement 1071Warning Definition Page Page Page Page Page Safety Guidelines Safety with Electricity Preventing Electrostatic Discharge Damage Items in the Fan Replacement Kit Required Tools and Equipment Location of the Cisco 2821 and Cisco 2851 Router Fans Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Removing the Router Cover Installing and Upgrading Fans in the Cisco 2821 and Cisco 2851 Series Routers 78-18643-02 Upgrading the Cisco 2821 and Cisco 2851 Fan Unit Figure 2.) Figure2 Location of the Arrow on the Bezel 1Location of the arrow . Page Page Removing the Fan Unit Page Installing the Fan Unit 1 2 4 63 5 Replacing the Router Cover Obtaining Documentation, Obtaining Support, and Security Guidelines