Cisco 3600 Series - Manuals

5 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Recommendations Safety Warnings Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement. Warning Definition Warning IMPORTA...

9 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Recommendations Safety with Electricity Warning Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. Statement 1037 Warning Do not work on the system or ...

10 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Tools and Equipment Needed Preventing Electrostatic Discharge Damage Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. ESD can occur when electronic printed circuit cards are improperly handled, and ...

11 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Removing the Cisco 3725 Router Cover To remove the router cover, follow these steps: Step 1 Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Conn...

12 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Figure 1 Removing the Cover from a Cisco 3725 Router Step 8 When you are ready to replace the cover, see the “Replacing the Cisco 3725 Cover” section on page 16 . Replacing Cisco 3725 SDR...

13 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Figure 2 SDRAMM DIMM Locations in the Cisco 3725 Router Figure 3 SDRAM DIMM Orientation in the Cisco 3725 Router Removing SDRAM DIMMs To remove SDRAM DIMMs, follow these steps: Step 1 Att...

15 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Installing SDRAM DIMMs To install SDRAM DIMMs, follow these steps: Step 1 Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Connect the equipment ...

16 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Replacing the Cisco 3725 Cover To replace the router cover, follow these steps: Step 1 Place the chassis so that the front panel faces you. Make sure that all cables are securely tucked i...

17 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Replacing Connections to the Router To make final connections to the router, follow these steps: Warning Read the installation instructions before connecting the system to the power sourc...

20 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Figure 8 Removing the Mainboard Tray from a Cisco 3745 Router Caution The mainboard is an ESD-sensitive component. To avoid damage, observe all ESD precautions. Step 8 When you are ready ...

21 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Figure 9 SDRAMM SODIMM Location in the Cisco 3745 Router Removing SDRAM SODIMMs To remove SDRAM SODIMMs, follow these steps: Step 1 Attach an ESD-preventive wrist strap and ensure that it...

22 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Figure 10 Removing and Installing SDRAM SODIMMs in the Cisco 3745 Router Step 4 When both ends of the SODIMM are released from the socket, grasp the ends of the SODIMM with your thumb and...

24 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Replacing the Cisco 3745 Mainboard To replace the mainboard, follow these steps: Step 1 Place the chassis so that the empty mainboard slot faces you. Step 2 With the ejector levers fully ...

27 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Recovering Compact Flash Memory and System Images Recovering Compact Flash Memory and System Images If you have increased system compact flash memory or reduced DRAM or SDRAM in a Cisco 3700 series router, you might need to reload th...

28 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Documentation Feedback Ordering Documentation You can find instructions for ordering documentation at this URL: http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm You can order Cisco documentation in these ways: • Registered Ci...

29 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Obtaining Additional Publications and Information Submitting a Service Request Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your netwo...