![Switch Dahua cu 20 porturi 16x PoE , accepta BT 90W, Port 1-2 90W, portul 3-16 30W, total 190W [1]](https://rovision.ro/wp-content/uploads/2026/04/1_0_01_20_11418_520963245_crop_thumb.png "Switch Dahua cu 20 porturi 16x PoE , accepta BT 90W, Port 1-2 90W, portul 3-16 30W, total 190W")
![Switch Dahua cu 20 porturi 16x PoE , accepta BT 90W, Port 1-2 90W, portul 3-16 30W, total 190W [1]](https://rovision.ro/wp-content/uploads/2019/09/dahua-logo-150x150.png "Switch Dahua cu 20 porturi 16x PoE , accepta BT 90W, Port 1-2 90W, portul 3-16 30W, total 190W"){kind=logo}
Switch-ul Dahua S3220-16GT-190 este un echipament profesional de retea de tip unmanaged (plug & play), conceput pentru sisteme de supraveghere si infrastructuri IP. Acesta ofera performanta ridicata prin porturi Gigabit si alimentare PoE puternica, fiind ideal pentru conectarea camerelor IP, punctelor de acces sau altor dispozitive. Datorita functiilor inteligente precum PoE Watchdog si porturile VIP, switch-ul asigura stabilitate, prioritate traficului si mentenanta automata, reducand interventiile manuale. De asemenea, suporta transmisie pe distante mari de pana la 250 m si functioneaza in conditii variate de mediu, fiind potrivit atat pentru uz comercial, cat si industrial.
Specificatii tehnice Switch Dahua cu 20 porturi 16x PoE , accepta BT 90W, Port 1-2 90W, portul 3-16 30W, total 190W:
- Tip: switch PoE desktop unmanaged (L2)
- Numar total porturi: 20
- Porturi PoE: 16 x RJ45 10/100/1000 Mbps
- Porturi uplink: 2 x RJ45 10/100/1000 Mbps
- Porturi uplink SFP: 2 x SFP 1000 Mbps
- Standarde suportate: IEEE 802.3, 802.3u, 802.3x, 802.3ab, 802.3z
- Standarde PoE: IEEE 802.3af, 802.3at, Hi-PoE, 802.3bt
- Putere PoE totala: max. 190 W
- Putere PoE per port: pana la 90 W (porturi 1-2), pana la 30 W (porturi 3-16)
- Functie PoE Watchdog: repornire automata camere defecte
- Distanta transmisie PoE: pana la 250 m
- Porturi VIP: prioritizare trafic pentru porturile 18
- Capacitate de comutare: 40 Gbps
- Rata de forwarding: 29.76 Mpps
- Tabela MAC: 8K adrese
- Buffer pachete: 4 Mbit
- Jumbo frame: pana la 15K bytes
- Alimentare: 100240 V AC, sursa incorporata
- Consum: ≤8.3 W (idle), max. ~212 W
- Protectii: protectie electrostatica si la supratensiuni
- Temperatura operare: -10C pana la +55C
- Umiditate operare: 5%95% fara condens
- Dimensiuni: 440 x 220 x 44 mm
- Greutate: aprox. 2.26 kg
- Montaj: desktop sau rack
- Certificare: CE
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