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
[MaxColor] Serial over IP
* Overview * Direct (TCP:6752) * Passive (Point-to-Point) * API (CLI Access) Overview Just Add Power supports 3 Types of serial management of endpoint devices: * Direct: Commands enter the system via an IP telnet connection to port 6752 of a Transmitter or Receiver. The command passes out of the RS232 port. 2-…
31-Jul-2023
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
[3G] Serial over IP
* Overview * Set Serial Mode * Passive * Direct * API Overview Serial over IP describes various methods of passing RS232 commands through a network to Just Add Power Transmitters and Receivers to control endpoint devices - sources or displays. Just Add Power supports 3 modes of serial management of endpoint de…
31-Jul-2023
Serial Cable Pinouts
* Overview * TRS Pinouts Straight-Through Crossover * DB-9 Pinouts Straight-Through Crossover Overview Serial cables are standardized to have 3 pins for communication: * Send (TX) * Receive (RX) * Ground (GND) However, the position of those pins on each side of the cable may vary depending on the …
31-Jul-2023
Download - URC Total Control 2.0 Endpoint Driver for RS232 Control
Overview RS232 control in URC is best accessed by allowing the Accelerate process to build a user interface automatically. In order to do that through the Just Add Power system, standard RS232 drivers must be converted to RS232 over IP drivers. This change causes the URC processor to send RS232 commands to a Just Ad…
12-May-2025
PuTTY: RS232/CEC/Telnet/SSH Troubleshooting Tool
PuTTY is a free implementation of an SSH and Telnet server, as well as a terminal emulator. Information at with all credit to the original author, Simon Tatham. We recommend downloading putty.exe under Alternate Binary Files (32-bit or 64-bit) at . This is a standalone version with no installation.
31-Jul-2023
Just Add Power RS232 Debug Cable
Overview Every Just Add Power 2G, Omega, Ultra, and MaxColor has a 3-pin molex port on it that acts as a debug port for device recovery . Debug Port Location On earlier 2G devices, the port is inside the case on the top part of the board On later Omega, Ultra, and MaxColor Series, the port is on the bottom of …
22-May-2025
What is a Null Modem?
* Overview * Straight-Through * Crossover * Just Add Power Null Modem Jumper Overview Simply put, a null modem is an adapter or change that is made to an RS232 connection that swaps the transmit (Tx) and receive (Rx) pins . Straight-Through With RS232 communication, each side of the connection has both a tr…
31-Jul-2023
Instructions - Serial Cable Pinout Diagram for Luxul Switches
Overview The PDF attached to this Knowledge Base article contains the pin-out instructions for creating your own RJ45 to DB9 console cable for configuring a Luxul AMS/XMS series managed switch. Note: If your switch did not include a console cable, you can acquire one by contacting a Luxul representative. Download …
07-May-2025
