Figure 13: 2601B-PULSE IEEE-488, LAN, USB, and RS-232 connections
Output queue
Response messages, such as those generated from print commands, are placed in the output queue.
All remote command interfaces share the same output queue.
The output queue sets the message available (MAV) bit in the status model.
The data in the output queue is cleared by the *CLS command.
USB communications
To use the rear-panel USB port, you need a driver that communicates using the USBTMC protocol,
such as NI-VISA, on the host computer.
When installed, the USBTMC protocol allows the Microsoft
®
Windows
®
operating system to recognize
the instrument.
When you connect a USB device that implements the USBTMC or USBTMC-USB488 protocol to the
computer, the driver automatically detects the device. Note that the driver does not recognize other
USB devices, such as printers, scanners, and storage devices.
In this section, "USB instruments" refers to devices that implement the USBTMC or
USBTMC-USB488 protocol.
See Software components for applications and instrument drivers (on page 2-34) for more information
on drivers.
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