Optical Backscatter Reflectometer 4600 121
User Guide
but only responds to the commands described in this section. The OBR does not
accept TCP/IP commands that are not listed in this document.
Important The OBR control software does not support multiple
commands on a line, separated by semicolons. Enter each
command on a separate line.
IEEE 488.2 defines commands as being either sequential or overlapped. Sequential
commands cause the instrument to ignore other remote control commands until each
command has completed. Overlapped commands let the device respond to incoming
commands before pending commands completely execute. The OBR processes only
sequential commands.
All commands are case-sensitive, and must be entered exactly as they appear in this
chapter.
Examples of how to use these commands with Visual Basic
®
code are given under
“Example Visual Basic Code” on page 155.
Remote control commands are classified by types:
• Standard Commands
• System Control Commands
• Configuration Commands
• Data Capture and Retrieval Commands
Standard Commands
These are mandatory commands required by IEEE 488.2. For consistency, they are
also accepted by the OBR when operating with TCP/IP. These commands are
generally not necessary for performing measurements with the OBR. For more
information about these commands, see the IEEE 488.2 standards documents.
*QUIT
Usage: *QUIT
Description: Ends a remote session, allowing the OBR to go back to local
control mode.
Response: None.
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