HP J9574A

iv
8. (Optional) Install a Second Power Supply ...................2-17
9. (Optional) Connect a Management console .................. 2-18
10. Connect the Network Cables ..............................2-21
Stacking Information and Topologies .............................2-23
Sample Network Topologies ..................................... 2-29
3 Getting Started With Switch Configuration
Recommended Minimal Configuration .............................3-1
Minimal Configuration Through the Console Port Connection ......... 3-2
Where to Go From Here: Networked Connections ...................3-4
Using the IP Address for Remote Switch Management ................ 3-6
Starting a Telnet Session .....................................3-6
Starting a Web Browser Session ...............................3-6
4 Replacing Components
Replacing the Fan Tray ..........................................4-2
Replacing the Power Supply ......................................4-3
Replacing the Stacking Module ...................................4-4
5 Troubleshooting
Basic Troubleshooting Tips ......................................5-2
Diagnosing with the LEDs ........................................5-4
Proactive Networking .......................................... 5-11
Hardware Diagnostic Tests ......................................5-12
Testing the Switch by Resetting It ............................ 5-12
Testing Twisted-Pair Cabling .................................5-13
Testing Switch-to-Device Network Communications ............5-13
Testing End-to-End Network Communications .................5-13
Restoring the Factory Default Configuration ....................... 5-14
Downloading New Switch Software ..............................5-15
HP Customer Support Services ..................................5-15
Before Calling Support ...................................... 5-15