
#ICD400A
Async RS232 to RS422/485 Interface Converter - (1) 5-Position Terminal Block
Convert async RS232 to RS422/485 at speeds up to 460.8 kbps with distances up to 4000 ft over CATx cables in with DIN Rail mounting.
Product Features
- Designed and tested to meet heavy industrial EMC standards and temperature extremes
- Features 10–30-VDC operation and withstands temperature extremes of -40 to +176° F (-40 to +80° C)
- Designed to protect expensive control equipment
- Offers 2-kV isolation with ESD protection
- 8-kV contact; 15-kV air ESD protection
- Built-in switchable bias and termination
- Rugged IP30-rated metal case
- UL® approved.
- 8-kV contact; 15-kV air.
- Built-in switchable bias and termination.
- Converts unbalanced half- or full-duplex RS-232 signals to balanced full-duplex RS-422 or 2-wire half- or 4-wire full-duplex RS-485.
- Rugged IP30-rated metal case.
- Supports a wide range of data rates.
- Includes mounting ears for attaching to a panel.
- It can also be conveniently mounted on a DIN rail with an optional clip (ICD11MNT).
Product works with:
- DIN Rail, 1-m (3.2-ft.) (DR100).
To mount the converter to the DIN rail itself, you will need our mounting clip (ICD11MNT)
* Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-877-877-2269.

1 Year 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 ICD400A comes with a standard 1 Year Double Diamond Warranty*. 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.