Acest switch cloud‑managed Dahua este echipat cu 24 porturi RJ‑45 Gigabit PoE, 2 porturi RJ‑45 Gigabit si 2 porturi SFP Gigabit, oferind un buget PoE total de 240 W si suport pentru standardele 802.3af/at pe toate porturile, iar un port special suporta si 802.3bt pentru alimentare mai puternica. Prin intermediul unui DIP switch utilizatorul poate activa rapid modul cloud‑managed, PoE Watchdog sau Long Distance PoE pentru transmisie pe distante lungi. Echipamentul functioneaza intr‑un interval larg de temperaturi de la 10 C pana la +55 C si ofera functii de retea importante precum VLAN, STP, RSTP si agregare de link. Switch‑ul poate fi gestionat prin interfata web sau centralizat prin aplicatia DoLynk, permitand monitorizare in timp real a retelei, iar configurarea automata simplifica detectia si setarea sistemelor de retea si securitate.
Specificatii tehnice switch 28 porturi, Dahua CS4228-24GT-240, 24x porturi PoE Gigabit, 2x RJ45 Gigabit uplink, 2x SFP Gigabit, Smart Managed, Watchdog:
- 24 porturi RJ‑45 Gigabit cu PoE
- 2 porturi RJ‑45 Gigabit uplink
- 2 porturi SFP Gigabit uplink
- Buget total PoE de 240 W
- Suporta standardele de alimentare PoE IEEE802.3af, IEEE802.3at, Hi‑PoE si IEEE802.3bt
- Porturi 1‑4 pot furniza pana la 90 W fiecare
- Porturi 5‑24 pot furniza pana la 30 W fiecare
- Switch Layer 2 cu capacitate de comutare de 56 Gbps
- Rata de forwardare de 41.664 Mpps
- Tabela MAC de 8K adrese
- Buffer pachete de 4 Mbit
- Suporta VLAN pana la 32
- Suporta protocoale de retea IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE802.3ab, IEEE802.3z, IEEE802.3az, IEEE802.3ad
- Suporta STP si RSTP pentru protectie la loop
- Suporta agregare de link (link aggregation)
- Suporta PoE Watchdog (monitorizare PoE si restart automat porturi)
- Suporta Long Distance PoE pana la 250 m
- Suporta DHCP Client
- Management web si management cloud prin aplicatia DoLynk
- Monitorizare in timp real a retelei si loguri de evenimente
- Port isolation si control pentru trafic multicast/broadcast
- Alimentare interna 100240 VAC, 4763 Hz
- Consum energie la sarcina maxima aproximativ 253.5 W
- Temperatura de operare intre 10C si +55C
- Umiditate operare intre 10% si 90% fara condens
- Temperatura de depozitare intre 40C si +75C
- Protectie la descarcari electrostatice aer 8 kV si contact 6 kV
- Protectie la supratensiuni mod comun 6 kV si mod diferential 1 kV
- Carcasa metalica rezistenta
- Greutate aproximativa 2.55 kg
- Dimensiuni aproximative 440 × 228.81 × 43.65 mm
- Suporta montaj pe birou sau pe rack 19’’
![Switch PoE BestNPS AI Watchdog Full Gigabit, 8 porturi PoE, 2 porturi UP Link, 2 porturi SFP, 100m, 30W/port, 120W Switch PoE BestNPS AI Watchdog Full Gigabit, 8 porturi PoE, 2 porturi UP Link, 2 porturi SFP, 100m, 30W/port, 120W [1]](https://rovision.ro/wp-content/uploads/2026/04/69319503_2324476984478087_4432366014218371072_n-324x224.jpg)
![Switch Dahua CS4220-16GT-135, 20 porturi, 16x PoE, 2x RJ45 Gb uplink, 2x SFP Gb uplink, 135W, management, Watchdog, CS4220-16GT-135 Switch Dahua CS4220-16GT-135, 20 porturi, 16x PoE, 2x RJ45 Gb uplink, 2x SFP Gb uplink, 135W, management, Watchdog, CS4220-16GT-135 [1]](https://rovision.ro/wp-content/uploads/2026/04/switch_18_porturi_gigabit_2_porturi_sfp_16_porturi_poe_135w_management_dahua_cs4220-16gt-135-324x259.jpg)
![Switch Dahua CS4220-16GT-240, 20 porturi, 16x PoE Gb, 2x RJ45 Gb, 2x SFP Gb, 240 W, cu management Switch Dahua CS4220-16GT-240, 20 porturi, 16x PoE Gb, 2x RJ45 Gb, 2x SFP Gb, 240 W, cu management [1]](https://rovision.ro/wp-content/uploads/2026/04/149686_68aed47be0554c1bc1808947c58a0b1859268cbcea96e_orturi_gigabit_16_porturi_poe_240_w_2_sfp_managed_dahua_cs422016gt240-324x239.jpg)
![Switch 28 porturi Dahua, 24x PoE, 2x SFP, 2x RJ-45 Uplink, max 375W, Watchdog, management prin cloud, CS4228-24GT-375 Switch 28 porturi Dahua, 24x PoE, 2x SFP, 2x RJ-45 Uplink, max 375W, Watchdog, management prin cloud, CS4228-24GT-375 [1]](https://rovision.ro/wp-content/uploads/2026/04/switch_28_porturi_dahua_24x_poe_2x_sfp_2x_rj-45_uplink_max_375w_watchdog_management_prin_cloud_cs4228-24gt-375-324x140.jpeg)







































































![Switch 28 porturi Dahua, 24x porturi PoE Gigabit, 2x RJ45 Gigabit uplink, 2x SFP Gigabit, Smart Managed, Watchdog, CS4228-24GT-240 Switch 28 porturi Dahua, 24x porturi PoE Gigabit, 2x RJ45 Gigabit uplink, 2x SFP Gigabit, Smart Managed, Watchdog, CS4228-24GT-240 [1]](https://rovision.ro/wp-content/uploads/2019/08/sldr1.jpg)
![Switch 28 porturi Dahua, 24x porturi PoE Gigabit, 2x RJ45 Gigabit uplink, 2x SFP Gigabit, Smart Managed, Watchdog, CS4228-24GT-240 Switch 28 porturi Dahua, 24x porturi PoE Gigabit, 2x RJ45 Gigabit uplink, 2x SFP Gigabit, Smart Managed, Watchdog, CS4228-24GT-240 [1]](https://rovision.ro/wp-content/uploads/2019/08/sldr5.jpg)