Up to 1,200 meters (approx. 4,000 feet) at lower speeds.

RS-422 is a (but not multipoint) bus:

The RS-422 standard is defined by its impressive performance metrics, which far exceed the capabilities of older serial standards: Up to 10 Mbps (at short distances).

Rs-422 Standard [exclusive] Jun 2026

Up to 1,200 meters (approx. 4,000 feet) at lower speeds.

RS-422 is a (but not multipoint) bus:

The RS-422 standard is defined by its impressive performance metrics, which far exceed the capabilities of older serial standards: Up to 10 Mbps (at short distances). rs-422 standard