| Chip scheme | RTL8305NB+SD4923E | |
| Standards / protocols | IEEE 802.3u, IEEE 802.1Q,IEEE 802.1p,IEEE 802.3af/at | |
| Topology structure | stellate | |
| Network media | 10BASE-T: Unshielded Class 3,4 and 5 twisted pair (maximum 100m) 100BASE-TX/100BASE-T: Non-shielded 5, super 5 twisted pair (maximum 100m) | |
| joggle | Three 10/100M RJ45 port （,Auto Negotiation/Auto MDI/MDIX） 1个10/100M UP-LINK RJ45 port （Auto Negotiation/Auto MDI/MDIX） | |
| cascade | The output port is cascade | |
| Forward mode | store-and-forward | |
| MAC Address empty amount | 1K | |
| exchange capacity | 0.8Gbps | |
| Package forwarding rate | 0.579Mpps | |
| Package cache | 768Kbits | |
| Giant frame | 2048bytes | |
| pilot lamp | Each | Power.System (Power: yellow light) Cascade time indicator status: connected to the superior PSE power supply indication yellow, network indicator green |
| The next port | Link / Activity (Link / Act: green) access the signal status: orange when the network and POE are connected at the same time; red with POE without network, green for network without POE. |
| source | POE power supply or non-standard power supply | |
| Power pin | 1/2 ,4/5（+），3/6, 7/8（-），The input / output port supports 4 core / 8 core power supply | |
| The POE port has the output power | 30W | Power.System (Power: yellow light) When accessing the load, the indicator status is: the power supply indication after PSE connection is yellow, |
| pilot lamp | Each | Link / Activity (Link / Act: green) During signal access, indicator status: green flashing without POE, orange flashing with POE |
| Each port | |
| quiescent dissipation | Maximum: 0.2W | |
| service environment | working temperature : -10 ℃~ 70 ℃ (32℉~127℉) Storage temperature: -40 ℃~85 ℃ (-97℉~142℉) Working humidity:10%~90% noncondensing Store humidity:5%~95% noncondensing | |
| Customized service operating system profile dimensions (LWH) housing material | Plastic shell | Plastic shell |
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