Ethernet switch Complies with ieee802. 3 10base-t, ieee802.3u 100base-tx. Store and forward 111function. Full or half duplex, Plug and play installation with automatic port configuration 24 10/100m self-negotiable rj-45 ports, auto-shift 10base-t and 100base-tx. Basic board width: 4.8 gbps, supply separate board width for each port to 111realize real bon-blocking transmission Store-and-forward Built-in 4m bit data buffer, supply full forwarding rate 19" standard rack-mounted size Power: 90-240vac·+50-60hz Operation temperature: 0 ~ 50 f¦ Store temperature: -20 ~125 f¦ Operation moisture: 10~90% Store moisture: 5~90% Size: 440*177*44 mm Weight: 3.5kg (with packing)