On 2021-03-15 21:06:34 +0000, abrsvc said: > H8571-J PC 9-pin. You want H8571-B. MicroVAX 9-pin. See *14.27 What connectors and wiring adapters are available?* in the FAQ http://hoffmanlabs.com/vmsfaq/ -- Pure Personal Opinion | HoffmanLabs LLC