Main parameters application level, three-layer transmission rate 10/100/1000 Mbps packet forwarding rate 190.47 mpps stack forwarding rate: 547.62 mpps port parameters port structure, number of modular ports 48 ports describe 48 data port features stack functionality, stackable safety management MACsec-256 other parameters power 350W product size 440x4450x4490mm product weight 7.45 kg mean trouble-free time 305870h environmental standard noise: measured according to ISO 7779 standard, declared according to ISO 9296 standard. Other parameters of ambient noise at ambient temperature 25 ° C, exchange capacity: 580 Gbps exchange capacity: 1060 Gbps