... in PAL, NTSC, SECAM standards; ASIC based design; transmit distance: up to 100KM Power supply:220v,-48v,+24, +12v ... 422/485 rate: 0-115.2KbpsRS-422/485 transmit distance: 0-1200mRS-422/485 agreement support RS-485/422 ... interface: FC/PC/ST/PCFiber type: single/multi modeTransmit distance: multi mode up to 2 km, single mode up ... 5V optional power 5W (single terminal) Digital Video Transmitter and Receiver