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ContentsCyberSWITCH CSX400 and CSX400-DC Installation GuideviiCHAPTER 5 TROUBLESHOOTINGTroubleshooting CSX400 Hardware ...............................................................5-4Power (PWR) LED is OFF ..........................................................................5-4Processor (CPU) LED is OFF ....................................................................5-4Processor (CPU) LED is RED....................................................................5-4Troubleshooting the LAN ................................................................................5-4Collision (CLN) LED is RED ......................................................................5-4Link (LNK) LED is OFF...............................................................................5-4Troubleshooting the WAN ...............................................................................5-5Link (LNK) LED is OFF...............................................................................5-5Link (LNK) LED is RED ..............................................................................5-5Link (LNK) LED is AMBER.........................................................................5-5Status 1 (STS1) LED is OFF ......................................................................5-5Status 1 (STS1) LED is RED ......................................................................5-6Status 1 (STS1) LED is AMBER ................................................................5-7Status 1 (STS1) LED is GREEN.................................................................5-7Status 2 (STS2) LED is OFF ......................................................................5-8Status 2 (STS 2) LED is RED WPIM-HDSL Installed in CSX400 .............5-9Status 2 (STS2) LED is AMBER ................................................................5-9Status 2 (STS2) LED is GREEN.................................................................5-9Test (TST) LED is AMBER (blinking) ......................................................5-10Investigating Software Configuration Problems .........................................5-10Connection to Device Fails During Software Configuration................5-10User Cannot Communicate with Remote Network Station ..................5-11Troubleshooting the CSX Frame Relay Connection.............................5-11