Hi Is the correct setting: 1. DS1 on the RD31 and the RX50's move up to DU1 and DU2. 2. DS3 on the RD31 and the RX50's are DU0 and DU1 I've tried both and it still tries to access the RD31 and the RX50 at the same time. Its on a standrd BA23 R