[ICOM] ic910h(send pin to control two devices)

[BOBJ]

  Hi , the name is Bob and I have a need to use pin3 (send) on the acc plug to control two devices at different times .
I will have to wire both devices from pin 3 at the same time .
This could be used to drive two linears one on 2m and other on 70cm .Or two preamps for the same bands .
  I believe I will have to create some isolation between the two devices wiring since they will have a wire running to each from pin3 .
  Has anyone created or seen a circuit to do this . Any help would be appreciated . Thanks
                           BOBJ N2DXJ