Green LED (bus communication, DAT)
Green LED (counter mode, CNT)
LED periphery error, ERR (red)
LED supply voltage, PWR (green)
Yellow LED (digital input, DI1)
Yellow LED (digital input, DI2)
Yellow LED (digital input, DI3)
Yellow LED (digital input, DI4)
Yellow LED (digital input, DI5)
Yellow LED (digital input, DI6)
Yellow LED (digital input, DI7)
Yellow LED (digital input, DI8)