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Chapter 1

Overview
This chapter describes the SwitchBlade x3112 product in the following
sections:
“Introduction” on page 20
“AT-SBx3112 Chassis” on page 23
“AT-SBx31GT24 Line Card” on page27
“AT-SBx31GT40 Line Card” on page28
“AT-SBx31GP24 PoE Line Card” on page29
“AT-SBx31GS24 SFP Line Card” on page30
“AT-SBx31GC40 Line Card” on page31
“AT-SBx31XZ4 XFP Line Card” on page33
“AT-SBx31XS6 SFP+ Line Card” on page34
“10/100/1000Base-T Twisted Pair Ports” on page35
“Power over Ethernet on the AT-SBx31GP24 Line Card” on page39
“Port Numbers on the AT-SBx31GC40 Line Card” on page42
“Port LEDs on the Ethernet Line Cards” on page 44
“AT-SBx31CFC Central Fabric Controller Card” on page53
“Power Supplies” on page 62
“AT-SBxFAN12 Module” on page65
“Power Supply Interfaces (Opto-couplers)” on page 66
“Module Names in the Management Software” on page67
“Management Software Releases for the Hardware Components” on
page 68
Note
This version of the installation guide applies to release 17.0 of the
SwitchBlade x3112 Management Software. The latest release of the
management software is available from the Restricted Software
Downloads web page on the Allied Telesis web site, at
www.alliedtelesis.com/support/software/restricted.