OPTO 22 AC422AT Asynchronous Adapter Card

OPTO 22 AC422AT, ac422at, ac 422 at
Asynchronous Adapter Card
The AC422AT is a non-isolated RS-422/485 adapter card
that plugs directly into the IBM PC bus.
The AC422AT is transient-protected,
features bi-directional handshake lines for RTS and CTS,
and can drive up to 100 devices on a multidrop network.
The AC422AT can be jumpered for operation
as COM1, COM2, COM3, or COM4 and offers full
hardware and software compatibility with IBM PC, XT,
and compatible computers.
New Old Stock in factory boxes,
Limited supply!