Cisco 50-port Gigabit PoE Smart Switch - SG220-50P 
Tính năng kỹ thuật : 
 48-port Gigabit + 2-port Combo (RJ-45 + SFP). 48-port PoE (Công suất tối đa mỗi port 30W, Công suất tối đa switch 375W) 
 Performance: Switching capacity 100 Gbps. 
 Layer 2: Port grouping up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad link aggregation, Support for up to 256 VLANs simultaneously (out of 4096 VLAN IDs), Head-of-line (HOL) blocking HOL blocking prevention. 
 Internet Group Management Protocol(IGMP) versions 1 and 2 snooping: IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 256 multicast groups. 
 QoS: Priority levels 4 : hardware queues, Scheduling: Priority queuing and weighted round-robin (WRR), Queue assignment based on DSCP and class of service (802.1p/CoS).