NEC IP8800/S2400 Series, Troubleshooting Manual

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Contents
Introduction I
Safety Guide [IP8800/S6700] v
Safety Guide [IP8800/S6600] xvii
Safety Guide [IP8800/S6300] xxix
Safety Guide [IP8800/S3600] [IP8800/S2400] xli
1
Overview 1
1.1 Failure Analysis Overview 2
1.2 System and Partial Failure Analysis Overview 3
1.2.1 Failure Analysis for IP8800/S6700, IP8800/S6600, and IP8800/S6300 3
1.2.2 Failure Analysis for IP8800/S3600 and IP8800/S2400 4
1.3 Functional Failure Analysis Overview 7
2
Troubleshooting System Failures 11
2.1 Troubleshooting for IP8800/S6700, IP8800/S6600, and IP8800/S6300 12
2.1.1 Troubleshooting Procedure on System Failures 12
2.1.2 Replacement Method of Optional Components 14
2.2 Troubleshooting for IP8800/S3600 and IP8800/S2400 15
2.2.1 Troubleshooting Procedure on System Failures 15
2.2.2 Isolating Failures on External Power Unit 17
2.2.3 Replacement Method of System and Optional Components 18
3
Troubleshooting Functional Failures in Operation 19
3.1 Problems on Login Password 21
3.1.1 Forgot the Login User Password 21
3.1.2 Forgot the System Administrator Password 21
3.2 Problems on MC 22
3.2.1 "MC:--------" is displayed by entering the show system command or the show mc command 22
3.2.2 "MC not found" is displayed when MC is accessed 22
3.3 Problems on Operation Terminal 23
3.3.1 Unable to Input/Display from the Console Correctly 23
3.3.2 Login from the Remote Operation Terminal Is Failed 24
3.3.3 Login Authentication Using RADIUS/ Is Disabled 25
3.3.4 Command Authorization Using RADIUS/ Is Disabled 25