Female DB9 connector converter cable (RS422) to DB25 male (RS-530), 10-inch length DB9 Female (RS-422) to DB25 Male (RS-530) Cable, 10 inch Length. Convert any Sealevel RS-422 DB9 Male Async Adapter to an RS-530 DB25 Male pinout. Useful in situations where RS-530 cabling exists and a multiport Sealevel RS-422 adapter is to be used.