Thi truong thiet bi mang hien nay rat da dang voi nhieu phan khuc khac nhau, khien nguoi dung boi roi khong biet Switch PoE la gi va nen mua loai nao thi ben bi. Mot lua chon sai lam co the dan den viec thieu hut cong suat cap nguon hoac lang phi tai nguyen dau tu khong can thiet.

Phan loai cac dong Switch PoE pho bien tren thi truong

De biet loai Switch PoE la gi phu hop voi minh, ban can phan biet giua Unmanaged Switch (cam la chay) va Managed Switch (co quan ly). Unmanaged Switch phu hop cho van phong nho voi chi phi thap. Trong khi do, Managed Switch PoE cung cap cac tinh nang cao cap nhu chia mang ao (VLAN), uu tien bang thong (QoS), cuc ky can thiet cho cac he thong yeu cau do bao mat va tinh san sang cao.

Cach tinh toan tong cong suat (PoE Budget) khi mua Switch

Sai lam pho bien nhat khi tim hieu ve Switch PoE la gi chinh la bo qua thong so tong cong suat cap nguon. Moi Switch co mot nguong cong suat toi da (vi du 120W). Neu ban co 8 Camera, moi chiec tieu thu 15W, thi tong nhu cau la 120W. Neu ban chon Switch co cong suat bang dung hoac thap hon con so nay, thiet bi se hoat dong chap chon. Loi khuyen la hay chon Switch co PoE Budget lon hon nhu cau thuc te khoang 20%.

Khoang cach truyen tai du lieu va nguon dien cua Switch PoE

Mot dac diem quan trong can luu y khi su dung Switch PoE la gi chinh la gioi han khoang cach. Theo tieu chuan, cap mang chi truyen tai tot trong pham vi 100 met. Tuy nhien, mot so dong Switch chuyen dung hien nay tich hop che do "Extend", cho phep cap nguon va du lieu len den 250 met o toc do gioi han. Day la giai phap tuyet voi cho nhung du an lap dat tai kho bai, nha xuong co khong gian rong lon.

Hy vong nhung thong tin tren da giup ban nam ro Switch PoE la gi de tu do dua ra quyet dinh mua sam thiet bi mang thong minh va hieu qua nhat.

Trai qua hon mot thap ky hinh thanh va phat trien, thuong hieu VTXVN da tro thanh cai ten bao chung cho su tin cay trong linh vuc thiet bi mang va vien thong tai Ha Noi. Bang kinh nghiem day dan tren 10 nam, chung toi toi uu hoa moi quy trinh de mang lai gia tri cao nhat cho hon 10 nghin khach hang cua minh. Moi nhu cau ve ha tang thoai va mang, quy khach vui long lien he VTXVN qua so dien thoai 0973.497.685 hoac ghe tham van phong tai so 2, ngo 53 Pham Tuan Tai de trai nghiem dich vu chuyen nghiep.