Black Box Universal RS-232 to RS-422/485 Converter - IC821A

Universal RS-232 to RS-422/485 Converter with Opto-Isolation isolates and converts RS-232 signals into RS-422/RS-485 signals and vice versa. Unlike other converters, external software is not required to control data flow.

• Attach multiple devices together or expand the number of devices connected to your existing network by using 2 transceiver/media converter
• No hassle of internal installation, install externally