New Arrivals/Restock

Black Box RS-422 and RS-485 Optical Isolator/Repeater

flash sale iconLimited Time Sale
Until the end
11
32
19

$706.50 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $1,413.00
quantity

Product details

Management number 200723765 Release Date 2025/09/20 List Price $706.50 Model Number 200723765
Category

Black Box RS-422 and RS-485 Optical Isolator/Repeater
Quick Facts

  • Connect systems while protecting them from damaging ground loops.

Further Details

  • Isolates one RS-485 device from the rest of an RS-485 system or one local group of RS-485 equipment from another.

  • Connects point-to-point, RS-422 4-wire equipment to an RS-485 2-wire multidrop system.

  • Can be used as a repeater to expand an RS-485 system beyond 32 nodes.

  • Operates 2-wire half-duplex or 4-wire half- or full-duplex.

  • Features 12 user-selectable data rates up to 460.8 kbps.


This compact device links RS-422 4-wire and RS-485 2-wire systems while using optical isolation to protect equipment and lines from damaging ground loops.

The BLACK BOX® RS-422 and RS-485 Optical Isolator/Repeater enables you to connect equipment meant for a point-to-point RS-422 4-wire interface to an RS-485 2-wire multidrop system.

It can be used to optically isolate one piece of RS-485 equipment from the rest of an RS-485 system or one local group of RS-485 equipment from another, or it can be used as a repeater to expand an existing RS-485 system beyond the standard's 32-node limitation.


Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review