<gallery>
Image:NoPicture.gif|Circuit board, etc.
Image:Amstrad_Computer_User8512_006.jpg|Advert (ACU, December 1985)
Image:ACU8701062.jpg|Advert (ACU, January 1987)
</gallery>
* Extensive documentation about interface and RSX's supplied on cassette.
[[Category:HardwareNetwork]] [[Category:Peripherals]] [[Category:Serial_interfaces]] [[Category:Communication Software]]