Female DB25 adapter cable (RS-530) to DB37 (RS-449 DTE), 10-inch length DB25 Female (RS-530) to DB9 Male (RS-422) Cable, 10 inch Length. Convert any DB25 Female RS-530 Async Adapter to the Sealevel RS-422 DB9 Male pinout. Useful in situations where cabling is already in place for the Sealevel DB9 implementation of RS-422.