Null Modem Jumper Pinouts for MaxColor Series
Overview MaxColor Encoders and Decoders with 3.5mm ports have a null modem jumper on the bottom of the unit that flips the transmit and receive pins on the RS232 port. The nature of RS232 is that there is always a 50% chance that you have the correct cable. By flipping the jumper, to the alternate position, you …
22-May-2025
Null Modem Jumper Pinouts for Omega/Ultra Series
Overview Ultra Encoders and Decoders have a null modem jumper on the bottom of the unit that flips the transmit and receive pins on the RS232 port. The nature of RS232 is that there is always a 50% chance that you have the correct cable. By flipping the jumper, to the alternate position, you ALWAYS have the cor…
22-May-2025
