Nortel BayStack 450-24T Using Manual page 12

Save Current Settings .................................................................................................3-131
Reset ..........................................................................................................................3-131
Reset to Default Settings ............................................................................................3-133
Logout .........................................................................................................................3-136
Chapter 4
Troubleshooting
Interpreting the LEDs .....................................................................................................4-1
Diagnosing and Correcting the Problem .........................................................................4-5
Normal Power-Up Sequence ....................................................................................4-6
Port Connection Problems .......................................................................................4-8
Autonegotiation Modes ......................................................................................4-8
Port Interface .....................................................................................................4-9
Software Download Error Codes ....................................................................................4-9
Appendix A
Technical Specifications
Environmental ................................................................................................................ A-1
Electrical ........................................................................................................................ A-2
Physical Dimensions ...................................................................................................... A-2
Performance Specifications ........................................................................................... A-2
Network Protocol and Standards Compatibility ............................................................. A-3
Data Rate ...................................................................................................................... A-3
Interface Options ........................................................................................................... A-3
Safety Agency Certification ........................................................................................... A-4
Electromagnetic Emissions ........................................................................................... A-4
Electromagnetic Immunity ............................................................................................. A-4
Declaration of Conformity .............................................................................................. A-4
Appendix B
Gigabit Fiber Optical Characteristics
1000BASE-SX Models .................................................................................................. B-1
Operating Range ..................................................................................................... B-1
Transmit Characteristics .......................................................................................... B-2
Receive Characteristics .......................................................................................... B-3
Worst-Case Power Budget and Penalties ............................................................... B-3
1000BASE-LX Models ................................................................................................... B-4
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309978-D Rev 01