PV800 and 1747-AIC

Hi all.
i need an a advice.
I use PV800 -T4T or T7T ( to a replace for an old PV550 ).
But I have a problem " create communication with PLC throught 1747-AIC.

I use DH485 protocol to comm ( PLC is SLC 5/04 and 5/03 ).

If i connect the HMI to directly to PLC, everything is OK ( comm is good, data is sending/recieving ), but if i connect the HMI throught the 1747-AIC modules ( these module is neccessary for DH485 comm throught the line ), communications is lost.
All cables is original AB, only one cable i muse connect directly ( wire -> pin on a connector , but this cable is correctly function if i directly connect to Dh485 port on a PLC without 1747-AIC ),
I would like " resolved" this problem, but i dont know how, I tried a several connections ( change pins to a connectors ) but nothing gonna happened. ( may i haven´t had "lucky" to find correct connections )
Did somebody tried resolve this problem ?

SLC 500 -> 1747-AIC -> 1747-AIC -> PV800

Hi all?
I got still this problem.
SLC 5/03 -> 1761-NET-AIC -> 1747-AIC -> PV800 ( DHX32 port )

If i connect PV800 dir ectly to the DH485 port to the CPU ( RJ45 ), everything is fine ( PV800 showing data ). But, If i connect the HMI to the PLC throught those "link couplers" , communicating was been lose.

I checked all connectors and wiring.
AIC is connected to the CPU throught 1761-CBL-AC00 ( Sub D9 ), between 1747-AIC and 1761-NET-AIC is used non original cable ( i used ftp cable were length is 30cm ) but wire possition is 1:1 ( therm, A, B ,Comm, Shield, Chasis GND ) , Terminals "Term" and "A" is connected between each other only one side ( those terminals must be conected between us for use terminal resistor 120 ohm ).
1761-NET-AIC -> Baud Rate is setted to Auto.

Between HMI and AIC is " created cable " , but thath cable seems good because if i conncect HMI througth this cable directly to the DH485 port on CPU, communicating is ok.

Any ideas ?