Black Box IC107A-R3 - Manual (Page 11)

10
RS-232
↔RS-422/485 CONVERTER (DATA ONLY)
4. Installation
To install your RS-232
↔RS-422/485 Converter (Data Only) system, take these
steps, making sure that the Converter and your devices are powered OFF:
1. Run an RS-232 cable from your RS-232 device to the Converter’s DB25 female
RS-232 port.
2. Run a 4-wire cable from your RS-422 device, or the nearest of your RS-485
devices, to the Converter’s 4-position RS-422/485 terminal block. Make sure
to connect the wires running from the device to the appropriate terminals on
the Converter:
Device Converter
TX + RXB
TX – RXA
RX + TXB
RX – TXA
3. Plug the Converter into AC power. It will begin operating immediately; it has
no ON/OFF switch.
4. Power up your devices.
Your Converter system should now be ready for continuous operation.