... management 19" 2U or 16 rack-mount chassis Introduction Fiber modem implements advanced optic transmission technology to extend signal transmission distance ... fiber, FC port, 2km1310/1550FC2BT-MS2F-2A/BMultimode optic to RS232, single fiber, FC port, 2kmBT-MS542F-20A/BMultimode optic to ... fiber, FC port, 2km20BT-SS2F-20A/BSingle mode optic to RS232, single fiber, FC port, 20kmBT-SD5S-60A/BSingle mode ...