http://netvietpro.com/vi/b%E1%BB%99-chuy%E1%BB%83n-%C4%91%E1%BB%95i-quang-%C4%91i%E1%BB%87n-fiber-optic-media-converter/bc-100dso13-20.html
Giá: 385k (nếu lấy số lượng sẽ có giá tốt)
Các thông số kỹ thuật:
Main features
In conformity with the following
◆ IEEE802.3　 10Base-T standard
◆ IEEE802.3U　100Base-TX/FX standard
◆ IEEE802.3X　standard
Interface transmission rate
◆ Optical interface: 155Mbps
◆ Electrical interface: 10/100Mbps
◆ Automatic identification with cross line and through line
◆ BC-100D can use either cross line or through line for connection with the devices such as switch or server.
◆ TX LINK/ACT lamp “On” indicates the correct interconnected link

Duplex supportive
◆ BC-100D Series supports full/half duplex adaptive and 10/100M adaptive
Network cable
◆ 10/100Base-TX UTP 5
◆ 100Base-FX: single mode fiber　8.3/125，8.7/125，9/125 or 10/125μm
◆ Multimode fiber 50/125, 62.5/125 or 100/140μm
Transmission range
◆ 10/100Base-TX：100 m
◆ 100Base-FX：2km (multimode)
◆ 25/40/60/80/100 km (single mode)
Optical interface feature:
Wavelength
◆ 1310nm（single mode 25km,40km,60km）
◆ 1550nm (single mode 80km, 100km)
◆ 1310/850nm (multimode 2km)
Một số hình ảnh của em nó:

http://netvietpro.com/vi/b%E1%BB%99-chuy%E1%BB%83n-%C4%91%E1%BB%95i-quang-%C4%91i%E1%BB%87n-fiber-optic-media-converter/bc-100dso13-20.html

http://netvietpro.com/vi/b%E1%BB%99-chuy%E1%BB%83n-%C4%91%E1%BB%95i-quang-%C4%91i%E1%BB%87n-fiber-optic-media-converter/bc-100dso13-20.html

http://netvietpro.com/vi/b%E1%BB%99-chuy%E1%BB%83n-%C4%91%E1%BB%95i-quang-%C4%91i%E1%BB%87n-fiber-optic-media-converter/bc-100dso13-20.html