Note
For 100-gigabit ports, only QSFP28 cables are supported .Do not attempt to insert a QSFP+ cable into a 100-gigabit port.To connect a QSFP+ or QSFP28 cable, follow these steeps.
See Connecting a Direct-Attach Cable to a SummitStack-V80 Module (Passive Copper Cable) and Connecting a Direct-Attach Cable to a SummitStack-V80 Module (Active Optical Cable) for passive copper cable and for active optical cable.