Release 9 to TAS-A interface with release 9.4 Config Tool Selection for TAS-A R9 IFD Control and Display Wiring to TAS-A: * TAS-A RS422 - In: J121-24 (Port4 of 0-5, actually the 3rd RS422 port if you're separating the 4 RS422 ports from the 2 RS232 ports 0-1) * TAS-A RS422 - Out: J121-66 (Port4 of 0-5) R9 IF…
See Avidyne Service Bulletin 601-00185-006 which can be downloaded from dealers.avidyne.com