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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 53
Using IO Interfaces
Using USB (Agilent MXG)
Using USB (Agilent MXG)
CAUTION USB cables are not industrial graded and potentially allows data loss in noisy
environments.
USB cables do not have a latching mechanism and the cables can be pulled out of the
PC or instrument relatively easily.
The maximum length for USB cables is 30 m, including the use of inline repeaters.
NOTE The USB interface is available only on the Agilent MXG signal generator.
The Agilent MXG’s USB 2.0 interface supports USBTMC or USBTMC-USB488 specifications.
For more information on connecting instruments to the USB, refer to the Agilent Connection
Expert in the Agilent IO Libraries Help.
USB 2.0 connectors can be used to communicate with the signal generator. The N5181A/82A is
equipped with a Mini-B 5 pin rear panel connector (device USB). Use a Type-A to Mini-USB 5 pin
cable to connect the signal generator to the computer (Refer to “Setting Up the USB Interface” on
page 55). Connect the Type-A front panel connector (host USB) can be used to connect a mouse, a
keyboard, or a USB 1.1/2.0 flash drive (USB media). (Refer to the User’s Guide.) ARB waveform
encryption of proprietary information is supported. Many functions provided by GPIB, including GET,
non-SCPI remote languages, and remote mode are available using the USB interface.
NOTE For a list of compatible flash drives to use with the USB external interface. Refer to
http://www.agilent.com/find/mxg.
Do not use the Type A front panel USB to connect to a computer.
The following sections contain information on selecting and connecting I/O libraries and the USB
interface that are required to remotely program the signal generator via computer and combining
those choices with one of several possible USB interface protocols.
• “Selecting I/O Libraries for USB” on page 54
• “Setting Up the USB Interface” on page 55
• “Verifying USB Functionality” on page 56