| Specification | |
| Downlink Ports | 24×10/100/1000Base-T |
| Uplink Ports | 4xGE SFP |
| MAC Address Table | 16K MAC |
| Dimensions (W x D x H) | 442 mm x 310 mm x 43.6 mm |
| Input Voltage | 100V-240V AC,
50~60Hz |
| EEE | Supported |
| Power Consumption | NON PoE model:20.2W
PoE model: − Non PoE:40.4W − PoE:446.7W(PoE:369.6W) |
| Operating Temperature | 0°C to 45°C |
| Humidity (non-condensing) | 5% to 95% |
| Heat Dissipation | Fan-free natural heat dissipation |




Jerzy
Poland
Technician helped me to handle the prolbems when installing the S1720-28GFR-4P switch.
Konstantin
Chile
S1720-28GFR-4P switch is superb and its a pity that delivery a little bit delay due to our lockdown.