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Cisco 3600 Series manual

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Table of contents for the manual

  • Page 1

    Corporate Headquarters: Copyright © 2004 Cisco Systems, Inc. All rights reserved. Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Upgrading System Memory in Cisco 3700 Series Routers Product Numbers: MEM3725-32CF-INCL, MEM3725-32U64CF, ME M3725- 32U128CF, MEM372 5-32CF=, MEM3725-64CF=, MEM3725-128CF= MEM3725-64D=, MEM3725-1[...]

  • Page 2

    2 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Memory Capacities This document contains t he following section s: • Memory Capacit ies, page 2 • Memory Conf igurations, page 3 • Safety Recommendations, page 4 • T ools and Equipment Needed, page 10 • Upgrading System Memory in Cisco 3725 Routers, page 10 • Upgrading Sy[...]

  • Page 3

    3 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Memory Configuration s Memory Configurations For inform ation on configu ring dynamic memory and compact flash memory , see the followin g sections. Dynamic Memory Y ou can configure dynamic memory (SDRAM) as a mixtur e of primary or main memory that is reserved for the CPU and share[...]

  • Page 4

    4 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Re commendations Compact Flash Memory Cisco IOS software on Cisco 3700 series routers is stored in two CompactFlash memory cards—one external and on e internal. Memory cards come with 32-, 64-, or 128-MB of memor y . T o determine ho w much compact flash memory is installed [...]

  • Page 5

    5 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Recommendations Safety Warnings Safety warnings appear throu ghout this publication in proced ures that, if performed incorrectly , may harm you. A warning s ymbol pre cedes each warning statement. Warning Definition War ni n g IMPORT ANT SAFETY INSTRUCTIONS This warning symbo[...]

  • Page 6

    6 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Re commendations Attention IMPORT ANTES INFORMA TIONS DE SÉCURITÉ Ce symbole d'avertissement indiq ue un danger . V ous vous trouvez dans une situatio n pouvant causer des blessures ou des dommages corporels. A vant de travailler sur un équipement, soyez conscient des [...]

  • Page 7

    7 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Recommendations Advarsel VIKTIGE SIKKERHETSINSTRUKSJONER Dette varselssymbolet betyr fare. Du befi nner deg i en situasjon som kan forårsake personskade. Før du utfører arbeid med utstyret, bør du være oppmerksom på farene som er forbundet med elektriske kretssy stemer ,[...]

  • Page 8

    8 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Re commendations War ni ng Only trained and qualified pe rsonnel should be allowed to install, replace, or servic e this equipment. Statement 1030 War ni ng Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040[...]

  • Page 9

    9 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Safety Recommendations Safety with Electricity War ni n g Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. Statement 1037 War ni n g Do not work on the sy stem or connect or disconnect cables during periods[...]

  • Page 10

    10 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Tools and Equipment Needed Preventing Electrostatic Discharge Damage Electrostatic disc harge (ESD) can damage eq uipment and imp air electrical circu itry . ESD can occur when electronic pri nted circuit cards are improperly ha ndled, and can result in complet e or intermittent fai[...]

  • Page 11

    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 T o remove the router co ver , follow these steps: Step 1 Attach an ESD-prev entive wrist stra p and ensure that it makes good co ntact with your skin. Connect the equipment end of the wrist strap to [...]

  • Page 12

    12 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3725 Routers Figure 1 Removing the Cov er from a Cisco 3725 Router Step 8 When you are ready to replace the cover , see the “Replacing the Cisco 3725 Co ver” section on p age 16 . Replacing Cisco 3725 SDRAM SDRAM DIMM Locati on and Orientation F[...]

  • Page 13

    13 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Figure 2 SDRAMM DIMM Location s in the Cisco 3725 Rout e r Figur e 3 SDRAM DIMM Or ientat ion in the Cisco 3725 Router Removing SDRAM DIMMs T o remove SDRAM DIMMs, follo w these steps: Step 1 Attach an ESD-prev entive wrist stra p and en[...]

  • Page 14

    14 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3725 Routers Caution Handle the DIMM b y the nonconnector edges only; do not press on the center . Handle carefully . DIMMs are ESD-sensiti ve components and can be damaged b y mishandling. Step 3 Remov e the DIMM by pushing the lo cking spring clip[...]

  • Page 15

    15 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3725 Routers Installing SDRAM DIMMs T o install SDRAM DIMMs, follow these steps: Step 1 Attach an ESD-prev entive wrist stra p and ensure that it makes good co ntact with your skin. Connect the equipment end of the wrist strap to the metal back plat [...]

  • Page 16

    16 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3725 Routers Replacing the Cisco 3725 Cover T o replace the router cov e r , follow these steps: Step 1 Place the chassis so that th e front panel faces you. Make sure that all cables are securely tucked in and are not in danger of being str essed o[...]

  • Page 17

    17 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Replacing Connections to the Router T o make f inal connections to the router , follo w these steps: War ni n g Read the installation instruc tions before connecting the sy stem to the power source. Statement 1004 Step 1 Replace all netw[...]

  • Page 18

    18 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3745 Routers Figur e 6 Captive Scr ews on a Cisco 37 45 Rout e r 72114[...]

  • Page 19

    19 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Step 5 Open the front panel to t he straight-out position and lift it of f its hinges. (See Figure 7 parts 1 and 2.) Figure 7 Removing the Fr ont Panel fr om a Cisco 37 45 Router Step 6 Loosen the tw o captiv e retention scre ws, one on [...]

  • Page 20

    20 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3745 Routers Figure 8 Removing the Mainboard T r ay from a Cisco 37 45 Router Caution The mainboard is an ESD-sensiti ve comp onent. T o avoid damage, ob serve all ESD precautions. Step 8 When you are ready to replace the mainboard tray , see the ?[...]

  • Page 21

    21 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Figur e 9 SDRAMM SODIMM Location in the Cisco 37 45 Router Removing SDRAM SODIMMs T o remove SDRAM SODIMMs, follow these steps: Step 1 Attach an ESD-prev entive wrist stra p and ensure that it makes good co ntact with your skin. Connect [...]

  • Page 22

    22 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3745 Routers Figur e 1 0 Removing and Installing SDRA M SODIMMs in the Cisco 37 45 Router Step 4 When both ends of the SODIMM are released from th e socket, grasp the ends of the SODIMM with your thumb and foref inger and pull it completely out of t[...]

  • Page 23

    23 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Step 3 Hold the SODIMM component-si de up, with connector edge (the metal f ingers) away from you. K eep the sides of the SODIMM bet ween your thumb and middle f inger , with your foref inger against the f ar edge and opposite the connec[...]

  • Page 24

    24 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3745 Routers Replacing the Cisco 3745 Mainboard T o replace the mainboard, follow these steps: Step 1 Place the chassis so that the empty mainboard slot f aces you. Step 2 W ith the ejector le vers fully open, carefully insert the mainboard tray int[...]

  • Page 25

    25 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memory in Cisco 3745 Routers Figur e 13 Installing the Front P anel on a Cisco 37 45 Router Step 6 T ighten the two captiv e screws behind the small access door at the right-hand edge. (See Figure 14 .) Hinges 62782 Access door F ront panel 1 2[...]

  • Page 26

    26 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Upgrading System Memo ry in Cisco 3745 Routers Figur e 14 Captive Scr ews on a Cisco 37 45 Router Step 7 Reinstall the chassis on a rack or desktop. Step 8 Proceed to the “Replacing Connections to the Router” section o n page 26 . Replacing Connections to the Router T o make f i[...]

  • Page 27

    27 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Recovering Compact Fla sh Memory and System Images Recovering Compact Flash Memory and System Images If you hav e increased system compact flash memo ry or reduced DRAM or SDRAM in a Cisco 3700 series router , you might need to r eload the Cisco IOS image, using the xmodem command i[...]

  • Page 28

    28 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Documentation Fe edback Ordering Documentation Y ou can find instruct ions for ordering documentation at this URL: http://www .cisco.com/uni vercd/ cc/td/doc/es_inpck/pdi.htm Y o u can order Cisco docu mentation in th ese ways: • Registered Cisco.com users (Cisco direct cust omers[...]

  • Page 29

    29 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Obtaining Additional Publ ications and Information Submitting a Service Request Using the online T A C Service Reque st T ool is the fast est way to open S3 and S4 service requests. (S3 and S4 service requests ar e those in which your n etwork is minimally impai red or for which you[...]

  • Page 30

    30 Upgrading System Memory in Cisco 3700 Series Routers OL-5423-02 Obtaining Additional Pub lications and Information • The Cisco Pr oduct Catalo g describes the networking p roducts of fered b y Cisco Systems, as well as ordering and customer support services. A ccess the C isco Product Catalog at this URL: http://cisco .com/uni vercd/cc/td/doc/[...]