... ports with 2 SFP plus 3. QoS, SNP, VLAN 4. AC:100 ~ 240 V 5. 6KV thunder proof UTT SG3124F 24 Port Gigabit Ethernet Switch with 2 ... /DHCP spoofing defense, port speed limit, syslog, 802.1Q, link aggregation, port mirroring, broadcast storm control, switch discover, etc. Over all, the unique ...