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Showing articles from Pinout tag

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 …

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…

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 …

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…

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 …

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