3Com CS/2500 manual Remove Connector from

Page 76

5-12 CHAPTER 5: MAINTENANCE AND UPGRADES

 

1

Remove

 

 

 

 

connector from

 

 

 

Rear

motherboard.

 

 

 

 

 

 

 

Power supply

 

 

 

WARNING:

 

 

 

Hazardous voltage.

 

 

 

Do not open.

3

Remove

Motherboard

No user-serviceable

 

screw.

 

parts inside.

 

 

 

 

 

 

 

4

Pull out power

 

 

 

 

supply.

 

 

 

5 Remove

 

 

 

 

power wiring

 

 

 

 

harness connector.

 

2

Disconnect cable and

 

 

 

 

pull taut to expose screw.

 

 

Daughtercard

 

 

 

Front

 

 

 

Figure 5-7 Removing the Power Supply

4Install the new power supply module.

a For Model CS/2600 only, reconnect the power wiring harness to the connector on the rear of the diskette drive.

b For both models, slip the keyhole slots on the bottom of the power supply module over the standoffs on the bottom of the chassis. Slide the power supply module toward the rear of the chassis.

c Fasten the module in place with the screw.

5For Model CS/2600 only, reconnect the cable from the diskette drive to the daughtercard.

6Reconnect the power supply cable bundle to the connector on the motherboard.

Make sure you keep the connector keys aligned.

7Replace the cover, as described in “Replacing the Cover” on page 5-15.

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Contents CS/2500 Series 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Iii Page Contents Installation Maintenance and Upgrades PIN Assignments Technical Support Page Figures Tables About this Guide IntroductionAudience ConventionsThis Typeface Italics Italics are used to denote new terms or emphasis About this Guide Features FeaturesOverview Ten standard RS-232-D electrical interfacesCompatibility SoftwareSW/2500, can be used only with the CS/2500 and CS/2600 Chassis Panel, see Back Panel onHardware Interrupt Front Panel Its +5 V DC output Back Panel Power supply module and three types of connectorsCS/2500 and CS/2600 back panel, shown in -5, contains Overview Back Panel Overview Optional Rack SpecificationsMount Kit VAC Do the following before beginning the installation InstallationPreparation Installation Install brackets To the Network Cabling the ServerTurning on the server All ports are set to terminal SETDefault -TERM DeVice = Installation Slide-lock connection on the server End to the transceiverInstall brackets Configuration AC power source must meet the requirements outlinedConfiguration, and Appendix C, Monitor Utility ModifyingInstallation Startup Guide or software release notes Booting from DisketteRbcs files DisketteStartup 3Com Corporation CS/2000 Series Monitor Reading...OK Insert copy and hit return to continue Parameter changes Boot Problems Normal StartupMessages Shutting DownShutting Down Startup Entering ConfigurationFirmware Monitor Configuration Changing ProcedureFollowing menu is displayed SLP Changing the Configuration Configuration Changing the Configuration Used with 3Com Network Control Servers NCSs Com no longer SLP, and Trivial File Transfer Protocol TftpNext section Type B Change IP/TFTP Parameters menu appears TftpConfiguration Bootp CS/2000 or CS/2100 Emulating aSoftware and to operate in mixed environments Changing Port Configuration Changing Port Configuration Configuration Maintenance and Upgrades Maintenance3Com recommends the following procedures for preventive MaintenanceMaintenance and Upgrades Maintenance Reinstall the fuseholder cartridge in the receptacle Upgrades Upgrade procedures require you to remove the server coverRemoving the Server Cover Grasp both sides of the cover and carefully lift it off Rear8-F Pull taut to expose screw Voltages. There are no user-serviceable parts inside Upgrades Remove Connector from Each pin must be inserted properly into its socket EPROM. Each pin must be inserted properly into its socket Replace the cover, as described in the next sectionUpgrades Maintenance and Upgrades Troubleshooting Troubleshooting Operating Problems Troubleshooting Procedures Memory DumpEnter the density of the dump diskettes Return to use the default density 2mb Troubleshooting Figure A-1 Serial Connector Pin Numbering PIN AssignmentsTXD DTE Transceiver DO-S Slct Startup Messages Appendix B Startup Messages You can access the monitor in either of the following ways Monitor UtilityContinuous Self-Test and Initial Boot Source parameters Set the Auto-reboot parameter to Boot monitorNonfunctional Memory dumps, refer to Memory Dump Procedures on -2 on page 1-4. The switch is recessed into a round hole toBecome nonfunctional, enter the following command Dump Procedures onSyntax BT Procedures on Using this menu, refer to , ConfigurationFilename and address parameters specify the name From memory locationDescription Repeats the previous command Services 3Com Bulletin Board Service 3ComBBSTechnical Support On-line TechnicalPress Return to see the ThreeComForum main menu Country Telephone Number Hong Kong 852 2537 44 1442 408 727 Appendix D Technical Support For Repair Returning ProductsSender’s expense To obtain an RMA number, call or fax 10/25/95 Index NumericsCover Index Index Index Index Limited Warranty Bayfront Plaza Santa Clara, CA 408 764-5000 1/1/94
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