For deployment convenience, M5300 series two rear I/O bays are pre-configured for stacking mode in factory default settings, allows for zero-touch stacking as soon as back connectivity is detected
Copper, fiber can be mixed and matched for stacking interconnect
One AX742 Stacking Kit per M5300 switch for local, dual ring topology
AX742 is a bundle: 2 CX4 I/O modules AX744 + 1 stacking CX4 cable (1m - 3.3 ft)