The content from this link shows that the supported 40 GbE QSFP+ optic/connector types include 40GbE QSFP+ LC
connector type, SR (multimode), DAC. So, active QSFP+ DAC cables work with the EX4300. You can visit it for more detailed information.
The content from this link shows that the supported 40 GbE QSFP+ optic/connector types include 40GbE QSFP+ LC
connector type, SR (multimode), DAC. So, active QSFP+ DAC cables work with the EX4300. You can visit it for more detailed information.