11. (Optional) Install transceivers..................................................................................................49
12. Connect network cables..........................................................................................................49
SFP/SFP+/QSFP+ installation notes....................................................................................................... 50
Stacking information and topologies........................................................................................................ 51
Chain topologies........................................................................................................................... 52
Ring topologies............................................................................................................................. 52
Mesh topologies............................................................................................................................ 52
Sample network topologies......................................................................................................................52
Chapter 4 Getting started with switch configuration..................................57
Recommended minimal configuration......................................................................................................57
Minimal configuration through the console port connection.....................................................................58
Setting up a console connection................................................................................................... 59
Configuring the management console.......................................................................................... 60
Stacking configuration...................................................................................................................61
Where to go from here: Network connections..........................................................................................61
Using the IP address for remote switch management............................................................................. 61
Starting a Telnet session............................................................................................................... 62
Starting a web browser session.................................................................................................... 62
Chapter 5 Replacing components................................................................ 64
Replacing the power supply.....................................................................................................................64
Replacing the stacking module................................................................................................................ 65
Replacing the uplink port module.............................................................................................................66
Chapter 6 Troubleshooting............................................................................68
Basic troubleshooting tips........................................................................................................................ 68
Diagnosing with the LEDs........................................................................................................................69
Proactive networking................................................................................................................................78
Hardware diagnostic tests........................................................................................................................79
Testing the switch by resetting it................................................................................................... 79
Checking the switch LEDs..................................................................................................79
Checking console messages..............................................................................................79
Testing twisted-pair cabling........................................................................................................... 79
Testing switch-to-device network communications....................................................................... 79
Testing end-to-end network communications................................................................................80
Restoring the factory default configuration.............................................................................................. 80
Downloading new switch software........................................................................................................... 80
Chapter 7 Specifications............................................................................... 81
Switch specifications................................................................................................................................81
Physical.........................................................................................................................................81
Electrical........................................................................................................................................82
Environmental............................................................................................................................... 83
Acoustics.......................................................................................................................................84
Safety............................................................................................................................................ 84
Connectivity standards..................................................................................................................85
Stacking module specifications................................................................................................................86
Physical.........................................................................................................................................86
Environmental............................................................................................................................... 87
Uplink port specifications......................................................................................................................... 87
Physical.........................................................................................................................................87
4Aruba 2930M Switches