BlackBox IC821A Async RS232 Interface Converter

BlackBox, IC821A, Async RS232 to RS422/485 interface converter DB9 to Terminal Block with Opto-Isolation

Features:

• Transmit data up to 115 kbps or at distancesup to 4000 ft.
• Operates in point to point or multipoint applications
• Operates 2-wire half-duplex or 4-wire half- or full-duplex.
• async (data leads) only.
• Up to 32 RS485 devices can be attached to create a large multi-drop network
• The RS485 driver is automatically enabled during each spacing state on the RS232 side.

The BLACK BOX® Universal RS-232↔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. The RS-232 input is wired for DCE through a DB9 female connector, and RS-422/RS-485 signals are interfaced through a removable terminal block.

This product works with:

• CAT3 Solid Bulk Cable
• DB9 Serial Extension Cable