GarrettCom 4K-Series manual Before Calling for Assistance

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Magnum 4K8 Switches Installation and User Guide (10/04)

6.0TROUBLESHOOTING

All Magnum Ethernet products are designed to provide reliability and consistently high performance in all network environments. The installation of Magnum 4K-Series is a straightforward procedure (see INSTALLATION, Section 3); the operation is also straightforward and is discussed in Section 4.

Should problems develop during installation or operation, this section is intended to help locate, identify and correct these types of problems. Please follow the suggestions listed below prior to contacting your supplier. However, if you are unsure of the procedures described in this section or if the Magnum 4K-Series product is not performing as expected, do not attempt to repair the unit; instead contact your supplier for assistance or contact GarrettCom Customer Support.

6.1Before Calling for Assistance

1.If difficulty is encountered when installing or operating the unit, refer back to the Installation Section of the applicable chapter of this manual. Also check to make sure that the various components of the network are interoperable.

2.Check the cables and connectors to ensure that they have been properly connected and the cables/wires have not been crimped or in some way impaired during installation. (About 90% of network downtime can be attributed to wiring and connector problems.)

3.Make sure that an AC power cord is properly attached to each Magnum 4K- Series unit. Be certain that each AC power cord is plugged into a functioning electrical outlet. Use the PWR LEDs to verify each unit is receiving power.

4.If the problem is isolated to a network device other than the Magnum Magnum 4K-Series product, it is recommended that the problem device is replaced with a known good device. Verify whether or not the problem is corrected. If not, go to Step 5 below. If the problem is corrected, the Magnum 4K-Series and its associated cables are functioning properly.

5.If the problem continues after completing Step 4 above, contact your supplier of the Magnum 4K-Series unit or if unknown, contact GarrettCom, Inc. by fax, phone or email (support@garrettcom.com) for assistance.

www . GarrettCom . com

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Contents 4K8 Switches Magnum 4K-Series 4K8 Switches Installation and User Guide TrademarksContacting GarrettCom, Inc Email support@garrettcom.comTable of Contents IntroductionTroubleshooting Media Converters, 10Mb and 100Mb series Personal Switches , 10/100MbPersonal Hubs, 10Mb series Technical Specifications Warranty Power Supply InternalDC Power Supply Options LEDs Per PortOrdering Information Introduction Inspecting the Package and Product Product Description Magnum 4K8 Switches Magnum 4K8 Switch chassisRear View Front ViewFiber-port modules, 100Mb fiber 3 Fiber-Port Modules, FPM-ST, FPM-SC, FPM-MTRJ5 10/100 Dual-speed Switched ports, RJ-45 copper Fiber-port modules, 10 Mb fiberFrame Buffering and Latency Magnum 4K8 Switches Installation and User Guide 10/04 „ Full-duplex or Half-duplex operation, auto-sensing Features and Benefits„ Eight RJ-45 copper ports, 10/100 auto-negotiation Applications Router 4b Magnum 4K8 provides a 100Mb backbone Switch Magnum 4K-Series Ethernet 10/100 SwitchInstallation Locating Magnum 4K8 SwitchesIeee Standard Media Type Max. Distance Port Module Fiber Connecting Ethernet MediaConnecting Fiber Optic ST-type, twist-lock CopperMedia Ieee Standard Connecting Fiber Optic SC-type, Snap-InConnecting Single-Mode Fiber Optic Etsi European Telephone Standard brackets Are similar to the 19 brackets But use metric dimensionsRack-mounting Optional Brackets and the Etsi bracketsFiber Port Module FPM Installation Preparation for Installing and Removing FPMsRemove Chassis Cover 1a Removing Chassis CoverInstalling FPM Cards in the Magnum 4K8 Switches Before insertionRemoving FPM Cards from Magnum 4K8 Switches 2b Inserting PM Cards into a Magnum 4K8Powering the Magnum 4K8 Switch 3b Removing a FPM CardAddress Learning Switching FunctionalityFiltering and Forwarding Status LEDs Manual Switches F-H, for FPM Port#9 onlyError Auto-negotiation, for Fast Ethernet copper portsMagnum 4K8 Switches Installation and User Guide 10/04 Auto-negotiation for 10/100Mb ports Flow-control, Ieee 802.3x standardFiber Port Module Product Description Introduction Magnum 4K8 Fiber-Port Modules FPMInspecting the Package and Product Optional FPM-MST, 100Mbps multi-mode FX-ST-type, twist-lock connector FPM-MSC 100Mbps multi-mode FX-SC-type, snap-in connector100BASE-FX MT-RJ FPM-SSC 100Mbps single-mode FX-SC-type, snap-in connectorActivity 2 Link Activity LinkFPM-Blank FPM-BlankBefore Calling for Assistance When Calling for Assistance Return Material Authorization RMA ProcedureNo Problem Found Shipping and Packaging InformationPower Supply Internal 125 VDC Option Industrial Application B3.0 Applications for DC Powered SwitchesB4.0 Installation Figure B4.1 -48VDC Terminal Block on Magnum Ks-48VDCB5.0 Operation B7.0 TroubleshootingB4.1 UL Requirements B6.0 Ordering InformationC3.0 DUAL-SOURCE OPTION, Theory of Operation C4.0 Features and Benefits of the DUAL-SOURCE DesignC5.0 Installation Example Magnum 4K8-48VDC C5.1 UL RequirementsC6.0 Ordering Information C7.0 Operation
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