BD-100M-2FX4TX Ethernet Media Converter(fiber optical media converter) converter a twisted-pair 10/100Base-Tx to 10/100Base-FX fiber.The fiber converter has two optical ports and four electronical port.
BD-100M-4RJ is a 4ports Media Converter(fiber optical media converter) .It has one fiber port and 4 ethernet ports,which is easy for user's application.
The VLAN media converter(VLAN switch) can provide VLAN tagging or untagging manager. The VLAN switch could support 4*10/100Mbps Ethernet ports and one fiber port. It could realize functions including port status checking,port priority setting,port bandwidth setting from 0 to 100Mbps,port isolation setting,etc.The media converter can be managed by CONSOLE port.
BD-100M-BI are single mode BiDi converter. The WDM media converter is designed to convert data signal between 10/100 Base-TX and 100 Base Fx Fast Ethernet. The WDM(single fiber) takes only one fiber cable to transmit and receive data, which will save half cabling cost for you.