DiGidot C4 Extended Manual page 23

1 x DMX IN/OUT + 1 x SPI OUT
Max. 512 channels per combined DMX port | DMX cable length max. 500 m. (1640 ft.) | SPI cable length max. 2 m. (7 ft.)
This option shows a combined output of SPI and DMX in or out. Please note that the SPI type (Data
only or Data + Clock) determines how you need to connect the SPI signal(s). A Data + Clock signal
always requires two outputs of the C4. Cable should be DMX cable with an impedance of 110 Ohm or
CAT5 or higher.
2 x DMX IN/OUT
Max. 512 channels per combined DMX port | DMX cable max 500 m. (1640 ft.)
This option shows two DMX in- or outputs. Every DMX signal requires a connected ground as
indicated above. Cable should be DMX cable with an impedance of 110 Ohm or CAT5 or higher.
C4 Manual Version 2.2.0 23-78