❯  Communication via high-speed CAN interface
❯  CA8DL (left in picture): 8 bi-colour variable-intensity LEDs (green/red)
❯  CA4T4DL (right in picture):
    – 1 event key (red)
    – 3 foil keys
    –  4 bi-colour variable-intensity LEDs (green/red)
❯  Freely programmable LEDs for status indication
❯  Activated via 5 V control cable or terminal 15
❯  Adjustable CAN baud rate
❯  Adjustable LED brightness:
    – day mode: green, red or orange
    – night mode: green, red or orange