
5
Preface ............................................................................................................................................................13
Safety Symbols Used in this Document ...........................................................................................................14
Contacting Allied Telesis ..................................................................................................................................15
Chapter 1: Overview .......................................................................................................................................17
Introduction.......................................................................................................................................................18
AT-SBx8112 Chassis .......................................................................................................................................21
Ethernet Line and Controller Cards Slots...................................................................................................23
Power Supply Slots ....................................................................................................................................23
AT-SBx81GT24 Line Card................................................................................................................................25
AT-SBx81GP24 PoE Line Card........................................................................................................................26
AT-SBx81GS24a SFP Line Card .....................................................................................................................27
AT-SBx81XS6 SFP+ Line Card........................................................................................................................28
10/100/1000Base-T Twisted Pair Ports............................................................................................................29
Connector Type..........................................................................................................................................29
Speed.........................................................................................................................................................29
Duplex Mode ..............................................................................................................................................29
Maximum Distance.....................................................................................................................................29
Cable Requirements ..................................................................................................................................30
Automatic MDIX Detection .........................................................................................................................31
Port Pinouts................................................................................................................................................31
Power over Ethernet on the AT-SBx81GP24 Line Card...................................................................................32
Powered Device Classes ...........................................................................................................................32
Power Budgeting........................................................................................................................................33
PoE Wiring .................................................................................................................................................33
Port LEDs on the Ethernet Line Cards .............................................................................................................35
AT-SBx81GT24 Line Card .........................................................................................................................35
AT-SBx81GP24 Line Card .........................................................................................................................36
AT-SBx81GS24a Line Card .......................................................................................................................38
AT-SBx81XS6 Line Card ...........................................................................................................................38
AT-SBx81CFC400 Controller Fabric Card .......................................................................................................40
SYS Status LEDs .......................................................................................................................................41
SBx STATUS LEDs....................................................................................................................................43
eco-friendly Button .....................................................................................................................................44
Reset Button ..............................................................................................................................................44
NET MGMT Port ........................................................................................................................................45
NET MGMT LED ........................................................................................................................................47
Console (RS-232) Port...............................................................................................................................47
USB Port ....................................................................................................................................................47
AT-SBxPWRSYS1 Power Supply ....................................................................................................................49
LEDs ..........................................................................................................................................................49
AT-SBxPWRPOE1 Power Supply ....................................................................................................................51
LEDs ..........................................................................................................................................................51
AT-SBxFAN12 Module .............................................................................................................
........................53
LED ............................................................................................................................................................53
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