Contents
USB Port ............................................................................................................................................................................. 51
Console Port ....................................................................................................................................................................... 52
AT-StackQS and AT-x9EM/XT4 Cards............................................................................................................................... 53
AT-StackQS Card ........................................................................................................................................................ 53
AT-x9EM/XT4 Card ..................................................................................................................................................... 55
Overview ............................................................................................................................................................................. 58
Stack Trunks ....................................................................................................................................................................... 59
..................................................................................................................................................................................... 59
Trunks of Ports S1 and S2.................................................................................................................................................. 60
Trunks of AT-StackQS Cards ............................................................................................................................................. 64
General Stacking Guidelines .............................................................................................................................................. 72
Master and Member Switches ............................................................................................................................................ 73
Selection of the Master Switch .................................................................................................................................... 73
Switch ID Numbers ............................................................................................................................................................. 74
Feature Licenses ................................................................................................................................................................ 75
Stack Worksheet................................................................................................................................................................. 78
Reviewing Safety Precautions ............................................................................................................................................ 84
Choosing a Site for the Switch............................................................................................................................................ 89
Unpacking the Switch ......................................................................................................................................................... 90
Installing the Power Supplies.............................................................................................................................................. 94
Guidelines ......................................................................................................................................................................... 104
Installing the Card ............................................................................................................................................................. 105
Required Items ................................................................................................................................................................. 116
Switch Orientation on the Wall.......................................................................................................................................... 122
Installation Guidelines....................................................................................................................................................... 127
Tools and Material ..................................................................................................................................................... 127
Installing the Plywood Base .............................................................................................................................................. 129
Introduction ....................................................................................................................................................................... 148
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