| PoE Ports | 4 PoE Ports (10/100 Mbps) | 8 PoE Ports (10/100 Mbps) | 16 PoE Ports (10/100 Mbps) | 24 PoE Ports (10/100 Mbps) |
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| Uplink Ports | 2 Uplink Ports (10/100 Mbps) | 2 Uplink Ports (10/100 Mbps) | 2 Uplink Ports (10/100 Mbps) | 2 Uplink Ports (10/100 Mbps) |
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| SFP Ports | / | / | 1 Uplink SFP Optical Port (10/100/1000Mbps) | 1 Uplink SFP Optical Port (10/100/1000Mbps) |
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| Distance | Long-distance PoE Transmits Power and Data 250 meters | Long-distance PoE Transmits Power and Data 250 meters | Long-distance PoE Transmits Power and Data 250 meters | Long-distance PoE Transmits Power and Data 250 meters |
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| Power Output | Max PoE power output 30W for each port | Max PoE power output 30W for each port | Max PoE power output 30W for each port | Max PoE power output 30W for each port |
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| Network Standards | Conforms to IEEE 802.3af and IEEE 803.3at | Conforms to IEEE 802.3af and IEEE 803.3at | Conforms to IEEE 802.3af and IEEE 803.3at | Conforms to IEEE 802.3af and IEEE 803.3at |
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| Additional Features | Support dialing VLAN and PoE Watchdog | Support dialing VLAN and PoE Watchdog | Support dialing VLAN and PoE Watchdog | Support dialing VLAN and PoE Watchdog |
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| Port Surge Protection | Port lightning protection level 4kv, ESD 8kv | Port lightning protection level 4kv ESD 8kv | Port lightning protection level 4kv ESD 8kv | Port lightning protection level 4kv ESD 8kv |
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| Power Surge Protection | Power lightning protection rating 4kv | Power lightning protection rating 4kv | Power lightning protection rating 4kv | Power lightning protection rating 4kv |
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| Dimensions | 200*120*45mm | 200*120*45mm | 320*207*45mm | 2.5Kg |
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| NET Weight | 0.5kg | 0.6Kg | 320*207*45mm | 2.6Kg |
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