Magnum 1000 Workgroup Hubs Installation and User Guide (04/02)33www GarrettCom com. .5.0 TROUBLESHOOTINGAll Magnum Ethernet products are designed to provide reliability andconsistently high performance in all network environments. The installation of Magnum1000 series workgroup hub is a straightforward procedure (see INSTALLATION,Section 2.6); the operation is also straightforward and is discussed in Section 4.Should problems develop during installation or operation, this section isintended to help locate, identify and correct these types of problems. Please follow thesuggestions listed below prior to contacting your supplier. However, if you are unsureof the procedures described in this section or if the Magnum 1000 series workgroup hubis not performing as expected, do not attempt to repair the unit; instead contact yoursupplier for assistance or contact GarrettCom Customer Support.5.1 Before Calling for Assistance1. If difficulty is encountered when installing or operating the unit, refer back tothe Installation Section of the applicable chapter of this manual. Also checkto make sure that the various components of the network are interoperable.2. Check the cables and connectors to ensure that they have been properlyconnected and the cables/wires have not been crimped or in some wayimpaired during installation. (About 90% of network downtime can beattributed to wiring and connector problems.)3. Make sure that an AC power cord is properly attached to each Magnum 1000series workgroup hub unit. Be certain that each AC power cord is pluggedinto a functioning electrical outlet. Use the PWR LEDs to verify each unit isreceiving power.4. If the problem is isolated to a network device other than the Magnum 1000series workgroup hub product, it is recommended that the problem device isreplaced with a known good device. Verify whether or not the problem iscorrected. If not, go to Step 5 below. If the problem is corrected, Magnum1000 series workgroup hub and its associated cables are functioning properly.5. If the problem continues after completing Step 4 above, contact your supplierof the Magnum 1000 series workgroup hub unit or if unknown, contactGarrettCom, Inc.by fax, phone or email (support@garrettcom.com) forassistance.