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5
Preface................................................................................................................................................................................11
Document Conventions................................................................................................................................................12
Contacting Allied Telesis ..............................................................................................................................................13
Chapter 1: Overview ........................................................................................................................................................ 15
AT-DC2552XS Features ..............................................................................................................................................16
AT-DC2552XS Functions......................................................................................................................................16
AT-DC2552XS Physical Description.....................................................................................................................19
LEDs.............................................................................................................................................................................23
SFP+ Slot LED......................................................................................................................................................23
QSFP+ Slot LEDs .................................................................................................................................................24
Power/Fault LED...................................................................................................................................................25
NET MGMT LED...................................................................................................................................................26
FAN Status LEDs..................................................................................................................................................27
AC Power LED......................................................................................................................................................28
Console Port.................................................................................................................................................................29
AT-PWR06 Power Supply Module ...............................................................................................................................30
AT-FAN06 Fan Module ................................................................................................................................................32
Chapter 2: Beginning the Installation ............................................................................................................................ 33
Installation Overview ....................................................................................................................................................34
Reviewing Safety Precautions......................................................................................................................................35
Planning the Installation ...............................................................................................................................................39
Unpacking the Switch...................................................................................................................................................40
AT-DC2552XS Switch...........................................................................................................................................40
AT-PWR06 Power Supply.....................................................................................................................................41
AT-FAN06 Fan Module .........................................................................................................................................42
Chapter 3: Installing the Switch and Modules .............................................................................................................. 43
Installing the Switch on a Desktop ...............................................................................................................................44
Installing the Switch in an Equipment Rack..................................................................................................................45
Installing and Replacing AT-PWR06 Power Supply Module........................................................................................48
Installing Power Supply Module............................................................................................................................48
Replacing Power Supply Module ..................................................................................................
........................50
Installing Power Supply Blank Cover ....................................................................................................................51
Installing and Replacing AT-FAN06 Fan Module .........................................................................................................52
Installing Fan Module ............................................................................................................................................52
Replacing Fan Module ..........................................................................................................................................54
Chapter 4: Installing the SFP+ and QSFP+ Transceivers and Cables ........................................................................ 55
Installing SFP+ Transceivers and Cables ....................................................................................................................56
General Guidelines ...............................................................................................................................................56
Installing SFP+ Transceiver ..................................................................................................................................57
Installing a SFP+ Direct Attach Cables .................................................................................................................59
Installing QSFP+ Transceivers and Cables..................................................................................................................61
Installing a QSFP+ Transceiver ............................................................................................................................61
Installing a QSFP+ MTHTP Cable ........................................................................................................................63
Chapter 5: Powering the Switch ..................................................................................................................................... 65
Powering On the Switch...............................................................................................................................................66
Turn Off the switch .......................................................................................................................................................68
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