Cisco 3825 Series - Manuals

Page 2 - Safety Warnings and Guidelines; Safety Warnings

2 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines Safety Warnings and Guidelines This section provides the safety warnings and guidelines for working with the Cisco 3825 series router. It contains the following sections: • Safety Warnings, pa...

Page 3 - Statement 1071—Warning Definition

3 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines Statement 1071—Warning Definition Warning IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipmen...

Page 9 - Safety Guidelines; Safety with Electricity

9 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Safety Warnings and Guidelines Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground an...

Page 10 - Preventing Electrostatic Discharge Damage; Items in the Fan Replacement Kit; Required Tools and Equipment

10 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Items in the Fan Replacement Kit • If an electrical accident occurs, proceed as follows: – Use caution, and do not become a victim yourself. – Turn off power to the system. – If possible, send another person to get medical...

Page 11 - Location of the Cisco 3825 Router Fans

11 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Location of the Cisco 3825 Router Fans Location of the Cisco 3825 Router Fans Figure 1 shows the location of the fan unit in the Cisco 3825 router. The Cisco 3825 routers contain three fans, which are connected together as...

Page 12 - Upgrading the Cisco 3825 Fan Unit; Removing the Router Cover

12 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Upgrading the Cisco 3825 Fan Unit The fan unit and cabling for the Cisco 3825 router are contained inside the chassis. Note The fan unit upgrade procedure will take approximately one hour....

Page 14 - Removing the Fan Unit

14 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Removing the Fan Unit After you remove the router cover, follow these steps to remove the fan unit. Note Before you begin, read the safety warnings as described in the “Safety Warnings and...

Page 16 - Installing the Fan Unit

16 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Step 4 Remove the two screws that hold the fan unit to the front of the chassis. (See Figure 6 .) Figure 6 Removing Fan Mounting Screws from the Front of the Chassis Step 5 Lift the fan un...

Page 17 - Replacing the Router Cover

17 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01 Upgrading the Cisco 3825 Fan Unit Step 1 Lower the fan unit down and onto the chassis floor. Step 2 Attach fan 1 to the J4 connector on the motherboard. (See number 1 and 2 in Figure 7 .) Figure 7 Attaching Fan Cable to th...