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10 MHz Reference Input When a 10 MHz external reference signal is detected at this port, it will be used as the instrument frequency reference instead of the internal frequency reference.
10 MHz Reference Output This BNC(f) connector outputs a frequency reference signal for use by other test equipment.
See SCPI command that detects an external reference signal at this connector.
This USB hub contains two SuperSpeed USB ports to power your VNA peripherals. There is also one USB port below the LAN connector, on USB device port, and four USB ports on the front panel.
Limitation: The total power consumption for all eight USB ports is limited to 4.0 amps. If this limit is exceeded, all USB ports are disabled until a device is removed and power consumption falls below the limit. The total current limit for all rear panel USB ports is 2.3 amps. The total current limit for all front panel USB ports is 2 amps. When first connected, Keysight ECal modules 8509x and N4431 draw significantly more current than other modules. See Specifications.
See Important First-time USB connection note.
This 10/100/1000 BaseT Ethernet connection has a standard 8-pin configuration and auto selects between the two data rates.
The Mini DisplayPort is a miniature DisplayPort connector for connection to external displays.
The N523x can be a GPIB Controller and Talker/Listener. Learn more.
The PCIe X4 connector is a 4-lane slot for future enhancements.
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MEAS TRIG IN - When enabled, PNA is triggered by signals on this connector. Learn more. |
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MEAS TRIG RDY When enabled, PNA outputs a 'READY' signal on this connector to other devices. Learn more. |
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AUX TRIG 1&2 IN When enabled, PNA accepts signals on these connectors which indicates that the external devices is ready to be triggered. Learn more. |
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AUX TRIG 1&2 OUT When enabled, PNA outputs signals on these connectors either before or after a measurement. Learn more. |
See Determine Your PNA's CPU Version (Internet connection required)
See Service Guide to learn how to remove the SSD. (Internet connection required)
See Preventing PNA SSD Problems
