Installation guide
Contents
6
AC Power Connector ........................................................................................................................................53
Power Over Ethernet Plus (PoE+) ....................................................................................................................54
Power Classes............................................................................................................................................54
Power Capacity ..........................................................................................................................................55
Chapter 2: Virtual Chassis Stacking ............................................................................................................57
VCStack Introduction ........................................................................................................................................58
Features of VCStacking.............................................................................................................................. 58
The Physical Stack .....................................................................................................................................59
Resiliency Link............................................................................................................................................ 60
Resiliency Link Configurations via Switch Ports.........................................................................................61
Stack Formation................................................................................................................................................62
The Role of the Stack Master .....................................................................................................................62
Connecting switches into a stack ...............................................................................................................65
Steps to set up a VCStack..........................................................................................................................67
Steps to replace a stack member ...............................................................................................................69
Provisioning ................................................................................................................................................69
Chapter 3: Installing the Hardware ...............................................................................................................71
Reviewing Safety Precautions ..........................................................................................................................72
Unpacking a Switch ..........................................................................................................................................75
Installing the Power Cord Retaining Clip ..........................................................................................................76
Installing the Switches in an Equipment Rack ..................................................................................................77
VCStack Stacking Module Installation .............................................................................................................. 79
Overview.....................................................................................................................................................79
Preparation .................................................................................................................................................80
Installing a VCStack Stacking Module........................................................................................................80
Cabling an AT-StackXG Stacking Module..................................................................................................84
Cabling an AT-x6EM/XS2 Stacking Module ...............................................................................................85
Chapter 4: Cabling the Network Ports .........................................................................................................89
Twisted Pair and Fiber Optic Specifications .....................................................................................................90
Twisted Pair Cable Specifications .............................................................................................................. 90
SFP and SFP+ Transceiver Specifications.................................................................................................91
Installing SFP and SFP+ Transceivers .............................................................................................................92
Cabling the 10/100/1000Base-T and Fiber Optic Ports ....................................................................................94
Powering on a Switch with a DC AT-PWR250 Power Supply Module..............................................................95
Powering on a Switch with an AC Power Supply Module .................................................................................99
Starting a Local Management Session.....................................................................................................101
Warranty Registration ..................................................................................................................................... 102
Chapter 5: Troubleshooting ........................................................................................................................103
Power LED is Off ............................................................................................................................................104
Twisted Pair Port Link LED is Off....................................................................................................................105
SFP or SFP+ LED is Off ................................................................................................................................. 106
Transceiver is Installed but the Status is “Not Present” .................................................................................. 107
System Fault LED is Blinking ..........................................................................................................................108
System Fault LED is Steadily On ....................................................................................................................109
Cannot Establish a Local (Out-of-Band) Management
Session...........
...........................................................110
Switch Functions Intermittently .......................................................................................................................111
Issues with Virtual Stacking Chassis Configuration ........................................................................................112
Appendix A: Technical Specifications ....................................................................................................... 113
Physical Specifications ...................................................................................................................................113
Environmental Specifications .......................................................................................................................... 114
Power Specifications.......................................................................................................................................114
Certifications ...................................................................................................................................................115