A1700 RS485 module is supplied with two RJ45 multi-drop sockets. A modem, powered by a 10V 80mA supply, can be connected via the 25-way, RS232 D-Type connector. The module converts RS232 to RS485. For RS485 connection, external equipment is connected directly via the RJ45 sockets.

Up to 32 meters can be multi-dropped over a distance of 1.2km. Transmit/receive LED’s provide an indication that communications are operating correctly. The module allows ease of installation using standard plug-in RJ45 connectors to link from one meter to the next. There are no other connections to make.