2011-12-20 FT-FM3301T(RS-232/422/485至单模单纤转
2011-12-20 FT-FM3301E(RS-232/422/485至单模光纤转
2011-12-20 FT-FM3528(双光纤至八路RS422/485隔离集
2011-12-21 FT-FM3000(14路光纤MODEM机架)
2011-12-21 FT-FM3518(光纤至八路RS422/485隔离集线
2011-12-21 FT-FM3300(无源RS232至光纤转换器)
