Async RS232 to RS422/485 Interface Converter - DB9 to Terminal Block

Convert async RS232 to RS422/485 at speeds up to 115.2 kbps with distances up to 4000 ft. over CATx cables.

Product 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.

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.

5 Years Double Diamond™ Warranty (Standard)

Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box.

Our Double Diamond Warranty* protects your Black Box® brand products from manufacturing and/or material defects.

The IC820A comes with a 5 Years Double Diamond™ Warranty (Standard) . During the warranty period, Black Box will repair or replace your damaged equipment at NO CHARGE!*

What’s more, we also have a 30-day return policy on most products. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package to receive a full refund.** Click here to find your local sales office to obtain a Return Authorization.

Extended Double Diamond Warranty.

Extend the warranty on select products or protect eligible previously purchased Black Box® brand items for an additional year - at just 10% of the original purchase price or for three years for only 20% of the purchase price.

* Warranty subject to certain exclusions and limitations. Click here to view our full terms and conditions.

** Returns contingent upon specific exclusions and limitations. Click here to view our full return policy.

Overview