DESICO's Distributor / Amplifier for Control Bus (v.03), to four copper buses with a maximum of 600 meters each. The D0204F model opeartes as sender / receiver for a fibre-optic link.. Discontinued manufacturing (dec'07)
| Equipment | Technical Data | Replaced by | |
| D0204 | Distributor/Amplifier for Control Bus | (TD) | D204C |
| D0204F | Distributor/Amplifier for Control FO | (TD) | D204F |
