Silex SX-500 Serial Server, US Power supply. SX-500 allows sharing serial devices on an Ethernet networks. SX-500 offer software controllable RS-232, RS-422, or RS-485 serial modes. The provided Serial Port Emulator software allows for an easy integration with existing PC applications. Power can be applied through the provided power adapter or through the Pin9 of the serial connector. The TROY500 serial server allows sharing serial devices on an Ethernet networks. The TROY500 series offer software controllable RS-232, RS-422, or RS-485 serial modes. The provided Serial Port Emulator software allows for an easy integration with existing PC applications. Power can be applied through the provided power adapter or through the Pin9 of the serial connector.