Black Box Async RS232 to RS422/485 Interface Converter - DB9 to Terminal Block (IC820A)

Enables you to select RS-485 2-wire half-duplex or RS-485 4-wire full-duplex operation.
Selectable RS-422 operation with transmit and receive always enabled.
Automatic RS-485 driver control, so it works without any special programming for handshaking signals. Also enables transmitter from RS-232 TD signal and receiver when not transmitting.
Built-in bridging switches for 2- or 4-wire operation with no external jumpers to set.
Set operating mode with four switches.
Converts using either port power or power from an external 120-VAC/12-VDC power supply (sold separately).
No external power is required if two RS-232 output handshake lines are available.

Overview

Specs

Reviews

Model
Brand	Black Box
Series	Async
Model	IC820A
Part Number	IC820A
Converter Type	Async RS232 to RS422/485 Interface Converter

Performance
Color	Black

Connection
Other Connector	(1) DB9 (Female); (1) Terminal Block

Power
Power Supply	Barrel Connection from Power Supply sold separately or Interface

Specification
Specification	5 Years Double Diamond™ Warranty (Standard)

Feature
Feature	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.

Additional Information
First Listed on Newegg	February 06, 2023

Warranty & Returns