C9200L-STACK-KIT Cisco StackWise stacking upgrade kit - network stacking module designed for Cisco Catalyst 3650-24PD-E, 3650-24PD-L, 3650-24PD-S, 3650-24PS-E, 3650-24PS-L, 3650-24PS-S, 3650-24PWD-S, 3650-24PWS-S, 3650-24TD-E, 3650-24TD-L, 3650-24TD-S, 3650-24TS-E, 3650-24TS-L, 3650-24TS-S, 3650-48FD-E, 3650-48FD-L, 3650-48FD-S, 3650-48FQ-E, 3650-48FQ-L, 3650-48FQ-S, 3650-48FS-E, 3650-48FS-L, 3650-48FS-S, 3650-48FWD-S, 3650-48FWQ-S, 3650-48FWS-S, 3650-48PD-E, 3650-48PD-L, 3650-48PD-S, 3650-48PQ-E, 3650-48PQ-L, 3650-48PQ-S, 3650-48PS-E, 3650-48PS-L, 3650-48PS-S, 3650-48TD-E, 3650-48TD-L, 3650-48TD-S, 3650-48TQ-E, 3650-48TQ-L, 3650-48TQ-S, 3650-48TS-E, 3650-48TS-L, and 3650-48TS-S.