Juniper QFX5240 - Page 4

QFX5240 Site Preparaon Checklist | 38
QFX5240 Site Guidelines and Requirements | 39
QFX5240 Environmental Requirements and Specicaons | 40
General Site Guidelines | 41
QFX5240 Grounding Cable and Lug Specicaons | 41
QFX5240 Clearance Requirements for Airow and Hardware Maintenance | 42
Site Electrical Wiring Guidelines | 43
QFX5240 Rack Requirements | 44
QFX5240 Network Cable and Transceiver Planning | 46
Determining QFX5240 Opcal Interface Support | 46
Cable Specicaons for QSFP+, QSFP28, and QSFP-DD Transceivers | 47
Understanding QFX Series Fiber-Opc Cable Signal Loss, Aenuaon, and Dispersion | 49
Calculang Power Budget and Power Margin for Fiber-Opc Cables | 51
How to Calculate Power Budget for Fiber-Opc Cables | 51
How to Calculate Power Margin for Fiber-Opc Cables | 52
QFX5240 Management Cable Specicaons and Pinouts | 54
Cable Specicaons for Console and Management Connecons for the QFX Series | 54
RJ-45 Management Port Connector Pinout Informaon | 55
Console Port Connector Pinouts for the QFX Series | 56
QSFP-DD Port Connector Pinout Informaon | 57
QSFP+, QSFP28, and QSFP56 Port Connector Pinout Informaon | 62
SFP, SFP+, and SFP28 Port Connector Pinout Informaon | 65
USB Port Specicaons for the QFX Series | 67
4
Iniial
Installaon and Conguraon
Unpack and Mount the QFX5240 Switch | 70
Unpack a QFX5240 Switch | 70
Register Products—Mandatory to Validate SLAs | 72
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