Allied Telesis 48Ts/X Installation Manual page 6

Contents
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
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