24*10/100M POE ports + 2* 10/100/1000M Ethernet Uplink ports+1* Gigabit SFP Uplink Port； Comply with IEEE 802.3, IEEE 802.3u, IEEE802.3ab ,IEEE802.3z IEEE802.3x standards； Ethernet port supports 10/100M 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, OFF mode and Extend mode； Compatible with 1 U rack installation

4*10/100/1000M POE Ports + 1*1000M RJ45 Port+1*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

4* Gigabit PoE ports+2*Gigabit Ethernet ports. Comply with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, and IEEE 802.3x standards. Ethernet ports support 10/100/1000M self-adaptive. Flow control method: IEEE 802.3x standard is adopted for full duplex, and Back pressure standard is adopted for half duplex. Supports automatic port rollover（Auto MDI/MDIX）. Using a store-and-forward switching mechanism. All ports support line speed switching. Zero configuration feature, automatically feeding to adaptive devices. Panel indicators monitor the working status and assist in fault analysis. Three speed one button intelligent dial switch, supporting VLAN, Default, and Extend modes.

16*10/100M PoE Ports + 2*Gigabit Uplink Ethernet Ports Comply with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z standard Ethernet port support 10/100M adaptive Flow control mode: full duplex using IEEE 802.3x standard, half duplex using Back pressure standard Support port auto-flip（Auto MDI/MDIX） Uses a store-and-forward switching mechanism Panel indicators monitor operating status and help with fault analysis Three-position one-touch intelligent dip switch, supporting VLAN, Default, Extend, three modes Compatible with 1U rackmount

24*10/100M PoE Ports + 2*Gigabit Uplink Ethernet Ports Comply with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z standard Ethernet port support 10/100M adaptive Flow control mode: full duplex using IEEE 802.3x standard, half duplex using Back pressure standard Support port auto-flip（Auto MDI/MDIX） Uses a store-and-forward switching mechanism Panel indicators monitor operating status and help with fault analysis Three-position one-touch intelligent dip switch, supporting VLAN, Default, Extend, three modes Compatible with 1U rackmount

8*10/100M POE ports + 2* 10/100M Ethernet Uplink ports； Comply with IEEE 802.3, IEEE 802.3u, IEEE802.3af/at standards； Ethernet port supports 10/100M 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)； Automatically supplied to adaptive devices； Panel indicator monitoring status and help failure analysis； Support for VLAN mode, Normal mode and Extend mode；

8*10/100M POE ports + 2* 10/100/1000M Ethernet Uplink ports； Comply with IEEE 802.3, IEEE 802.3u, IEEE802.3ab standards； 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)； Automatically supplied to adaptive devices； Panel indicator monitoring status and help failure analysis； Support for VLAN mode, Normal mode and Extend mode；

16*10/100M POE ports + 2* 10/100/1000M Ethernet Uplink ports+1* Gigabit SFP Uplink Port； Comply with IEEE 802.3, IEEE 802.3u, IEEE802.3ab ,IEEE802.3z IEEE802.3x standards； Ethernet port supports 10/100M 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, OFF mode and Extend mode； Compatible with 1 U rack installation

4*10/100M POE ports + 2* 10/100M Ethernet Uplink ports； Comply with IEEE 802.3, IEEE 802.3ustandards； Ethernet port supports 10/100M 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)； Automatically supplied to adaptive devices； Panel indicator monitoring status and help failure analysis； Support for VLAN mode, OFF mode and Extend mode；

4*10/100M POE ports + 2* 10/100M Ethernet Uplink ports Comply with IEEE 802.3, IEEE 802.3u, IEEE802.3x standards Ethernet port supports 10/100M adaptive Flow control mode: full duplex adopts IEEE 802.3x standard, half duplex adopts Back pressure standard Support port automatic flip (Auto MDI/MDIX) Using store-and-forward switching mechanism Panel indicator lights monitor working status and help fault analysis Comes with three-speed one-button smart DIP switch, supports VLAN, Default, Extend three modes

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