Rear panel connections
The rear panel connections supply power to the oscilloscope and provide connectors for network, USB devices, video, reference
signals, and the AFG output.
Figure 5: 4 Series MSO
4 Series MSO
1. LAN connector (RJ-45) connects the oscilloscope to a 10/100/1000 Base-T local area network.
2. USB 2.0 Device port lets you connect to a PC to remotely control the oscilloscope using USBTMC protocol.
3. USB 2.0 Host ports let you connect a USB memory device, keyboard, or mouse.
4. HDMI video output lets you connect an external monitor or projector to show the oscilloscope screen.
NOTE. You must connect an external monitor before powering on the instrument.
5. AUX Out generates a signal transition on a trigger event, outputs a 10 MHz reference signal, or outputs a synchronization
signal from the AFG.
6. Ref In lets you connect a high-precision 10 MHz reference signal to the oscilloscope for more accurate measurements.
7. AFG Out is the signal output for the optional Arbitrary Function Generator (AFG) feature.
8. Security lock connector lets you use a standard PC/laptop lock cable to secure the oscilloscope to a work bench or other
location.
9. Power cord connector. Use only the power cord specified for this product and certified for the country of use.
Getting acquainted with your instrument
14 MSO44, MSO46 Installation and Safety Manual
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