NX-Series Serial Port Voltage Swing
Escalation Article
Written by Aarron Abbasi
Updated at August 26th, 2026
Table of Contents
Brand:
- AMX
Affected Products:
- FG2106-01 NX-1200
- FG2106-02 NX-2200
- FG2106-03 NX-3200
- FG2106-04 NX-4200
Summary:
What is the voltage swing for the serial ports on NX-Series controllers?
Troubleshoot:
The serial ports have an idle signal of -5.7V.
The serial ports have a peak-to-peak value of 13V.
Please contact HARMAN Support for additional information.