This Meraki MA-CBL-SPWR-30CM 0.3m StackPower Cable is thick but flexible, and carries power as well as a data signal to provide a communications channel among the switches in the power stack.
This cable is suitable for use with the Meraki MS390 series of switches with stacking capability.
Cable length: 0.3m (30cm)
Compatibility: MS390 Series
Additional redundancy saves cost through efficient power distribution to stack