Juniper QFX5240 - QFX5240 Network Cable and Transceiver Planning; Determining QFX5240 Optical Interface Support

Table 15: Rack Requirements for the QFX5240 (Connued)
Rack Requirement Guidelines
Rack connecon
to building
structure
• Secure the rack to the building structure.
• If earthquakes are a possibility in your geographical area, secure the rack to the oor.
• Secure the rack to the ceiling brackets as well as wall or oor brackets for maximum
stability.
QFX5240 Network Cable and Transceiver Planning
IN THIS SECTION
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
Determining QFX5240 Opcal Interface Support
You can nd informaon about the opcal transceivers supported on your Juniper device by using the
Hardware Compability Tool. In addion to transceiver and connecon type, the opcal and cable
characteriscs–where applicable–are documented for each transceiver. The Hardware Compability
Tool enables you to search by product, displaying all the transceivers supported on that device, or
category, by interface speed or type. The list of supported transceivers for the QFX5240 is located at
hps://apps.juniper.net/hct/product/#prd=QFX5240.
CAUTION: The Juniper Networks Technical Assistance Center (JTAC) provides
complete support for Juniper-supplied opcal modules and cables. However, JTAC does
46