16 x 10/100/1000Mbps auto-sensing PoE Ports, 2 x 10/100/1000Mbps Ethernet Uplink Ports, 2 x Gigabit SFP Uplink Ports, 1 x Console Port Support IEEE802.3/IEEE802.3i/IEEE802.3u/IEEE802.3ab/IEEE802.3z Compatible with IEEE802.3at (30W) and IEEE802.3af (15.4w) Ethernet port supports 10/100/1000M adaptive Panel indicator monitoring the status and help failure analysis Fanless design, Natural Cooling, 1U Rack Mount Support 802.1x port authentication, support AAA authentication, support TACACS+ authentication Support WEB, TELNET, CLI, SSH, SNMP, RMON management Support PoE Power Management, PoE watch dog

transfer data for network surveillance cameras; 24 x 10/100/1000Mbps auto-sensing POE Ports, 4 x 10/100/1000Mbps Combo Ports, 1 x Console Port; Support IEEE802.3/IEEE802.3i/IEEE802.3uIEEE802.3ab/IEEE802.3z, IEEE802.3af/at, store-and-forward; Compatible with IEEE802.3at (30W) and IEEE802.3af (15.4w); Ethernet port supports 10/100/1000M adaptive and POE functions; Panel indicator monitoring the status and help failure analysis; Fanless design, Natural Cooling, 1U Rack Mount;

Compatible with IEEE 802.1d、IEEE 802.1w、IEEE 802.1s、IEEE 802.1p、IEEE 802.3、IEEE 802.3u、IEEE 802.3x、IEEE 802.3z、 IEEE 802.3ab、IEEE 802.3ae standard; Support Spanning Tree Protocol STP/RSTP/MSTP （ERPS), Support loop detection and self-healing, support remote loopback monitoring and control (802.3ah OAM); Support multiple VLAN divisions, mac VLAN, protocol VLAN, private VLAN; Support IP address + MAC address + VLAN + port binding, support HCP Snooping, support IP source and DAI protection; Support IPV4/IPV6,RIP,OSPF

L3 management，support DHCP Server, QoS, ACL Control, SNMP V1/V2/V3, IGMP Snooping v1/v2； Support STP/RSTP/MSTP (ERPS), Support loop detection and self-healing, remote loop back monitoring and control (802.3ah OAM); Support multiple VLAN divisions, MAC VLAN, protocol VLAN, and Private VLAN; Support IP address +MAC address +VLAN+ port binding, DHCP Snooping, IP source and DAI protection; Support IPV4/ IPV6, RIP, OSPF Surge Protection: Common mode6KV, Differential 2KV; ESD：Contact 6KV. Air 8KV; Support WEB, TELNET, CLI, SSH, SNMP, RMON management; Support IEEE802.3at (30W)

8 x 10/100/1000Mbps auto-sensing PoE Ports, 2 x Gigabit SFP Uplink Ports, 1 x Console Port Support IEEE802.3/IEEE802.3i/IEEE802.3u/IEEE802.3ab/IEEE802.3z Compatible with IEEE802.3at (30W) and IEEE802.3af (15.4w) Ethernet port supports 10/100/1000M adaptive Panel indicator monitoring the status and help failure analysis Fanless design, Natural Cooling,Compatible with 1U Rack Mount Support 802.1x port authentication, support AAA authentication, support TACACS+ authentication Support WEB, TELNET, CLI, SSH, SNMP, RMON management Support PoE Power Management, PoE watch dog

1.7* Gigabit POE RJ45 ports+1* Gigabit Uplink Ethernet Port 2.Support IEEE802.3, IEEE802.3u, IEEE802.3ab standard 3.Ethernet port supports 10/100/1000M adaptive 4.Support port auto flip（Auto MDI/MDIX） 5.Panel indicator lights monitor working status and help failure analysis 6.Flow control mode, full duplex adopts IEEE802.3x standard, half duplex adopts Backpressure standard 7.Support QoS data priority 8.Support cable detection, loop protection

Support for 24 Gigabit POE ports, + 2 Gigabit SFP optical ports Support for IEEE802.3, IEEE802.3u,IEEE802.3x,IEEE802.3ab,IEEE802.3z Compatible with IEEE802.3at (30W) and IEEE802.3af(15.4w) Ethernet ports support 10 / 100 / 1000M adaptive and POE features Support for port automatic flip (Auto MDI/MDIX) Exchange mechanism using storage and forwarding All ports support line-speed switching Zero configuration feature, automatically supplied to adaptive equipment Panel indicators monitor operating status and help with fault analysis Support for the 1-8-port QOS priority Three-gear one-key intelligent code dialing switch, supporting VLAN,Normal,Extend three modes

24* 10/100/1000M PoE Ports + 2* Gigabit SFP Uplink Port Support IEEE802.3、IEEE802.3u、IEEE802.3x、IEEE802.3ab、IEEE802.3z Compatible with IEEE802.3at (30W) and IEEE802.3af (15.4w) Ethernet port supports 10/100/1000M adaptive and POE functions Flow control mode: full-duplex adopts IEEE 802.3x standard, half-duplex adopts Back pressure standard Support port auto flip (Auto MDI/MDIX) All ports support wire-speed switching Automatically supplied to adaptive devices Panel indicator monitoring status and help failure analysis 1-8 Port support QoS Support VLAN Mode and Extend 250 meters Mode Support 1U Rack Mount

8* Gigabit PoE Ports+2* Gigabit Ethernet ports+2* Gigabit SFP Ports； Support IEEE 802.3, IEEE 802.3u, IEEE 802.3u, IEEE802.3x standard； Ethernet Ports support 10/100/1000M self- adaptive; The AI mode is automatically enabled 10M speed for Ports 7-8 in Extend mode; Support PoE QoS Priority，priority ranges from 1 to 8. Enabled by default; Flow control mode: IEEE 802.3X standard for full duplex, and Back Pressure standard for half duplex; Zero configuration feature, automatically supplied to adaptive equipment; Panel indicator monitoring status and help failure analysis; With DIP switch, support Default and Extend modes;

16*10/100/1000M POE ports +2* Gigabit SFP Uplink Port； Comply with IEEE 802.3, IEEE 802.3u, IEEE802.3ab ,IEEE802.3z IEEE802.3x standards； Ethernet port supports 10/100/1000M adaptive； Flow control mode: full-duplex adopts IEEE 802.3x standard, half-duplex adopts Back pressure standard； Support port auto flip (Auto MDI/MDIX)； Automatically supplied to adaptive devices； Panel indicator monitoring status and help failure analysis； Support for VLAN mode, Default mode and Extend mode； 1 U rack installation

4*10/100/1000M POE Ports + 2*1000M SFP Port Comply with IEEE 802.3, IEEE 802.3u,IEEE802.3ab,IEEE802.3z standards Ethernet port 10/100/1000M rate auto adaptive Flow control mode: full-duplex adopts IEEE 802.3x standard, half-duplex adopts Back pressure standard Support Port Auto-flip (Auto MDI/MDIX） Panel indicators to monitor working status and help fault analysis One-key smart switch, supports VLAN,Default,Extend

8*10/100/1000M PoE Ports +2*1000M Ethernet Ports; Support IEEE 802.3, IEEE 802.3u, IEEE 802.3u, IEEE802.3x standard; Ethernet Ports support 10/100/1000M self-adaptive; The AI mode is automatically enabled 10M speed for Ports 7-8 in Extend mode; POE priority is supported, from port 1 to port 8, which is enabled by default； Flow control mode: full-duplex adopts IEEE 802.3x standard, half-duplex adopts Back pressure standard; Zero configuration feature, automatically supplied to adaptive equipment; Panel indicator monitoring status and help failure analysis; With DIP switch, support VLAN, Default and Extend modes.