The ABUS TV8469 Interface Converter RS232 To RS485 allows you to control a PTZ Dome Camera (TV7600-TV7604) from your PC. The interface converter is connected to the PC by a serial port (RS232), and the dome camera is connected to the interface converter with a 2-core RS485 bus cable. \nYou can operate a total of 31 dome cameras with your PC - one dome camera is connected directly to the converter and the other 30 cameras are connected to each other. The maximum transmission range from the interface converter to the last dome camera is 1200 metres. \n\n--TV8469\n--Converts RS-232 to RS-485, half-duplex\n--17 x 33 x 53mm (W x H x D)\n--31 connectible devices\n--RS-232 / RS-485 connections\n--115200 band rate max.\n--1200m transmission distance \n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\;