This MicroOptics QSFP+ 40 Gbps DAC cable is made to connect:
A standalone device to other standalone device (QFX3500, QFX3600, QFX5100)
-A QFabric Node device (QFX3500, QFX3600, QFX5100), to a QFabric QFX3000-M Interconnect device (QFX3600-I or QFX5100-24Q).
- A leaf device to a spine device in a Virtual Chassis Fabric (VCF).
- A master, backup, or line card in a QFX Virtual Chassis.