2: General operation Series 2600B System SourceMeter® Instrument
2-98 2600BS-901-01 Rev. B / May 2013
Raw socket: Raw socket is a basic ethernet connection that communicates similarly to RS-232
without explicit message boundaries. The instrument will always terminate messages with a line feed,
but because binary data may include bytes that resemble line feed characters, it may be difficult to
distinguish between data and line feed characters.
VXI-11: VXI-11 is similar to GPIB and supports message boundaries and service requests (SRQs). A
VXI-11 driver or VISA software is required. Test Script Builder (TSB) uses VISA and can be used with
the VXI-11 interface.
Telnet: Telnet is similar to raw socket and is used when you need to interact directly with the
instrument, typically for debugging and troubleshooting. Telnet requires a separate telnet program.
Dead socket termination port: The dead socket termination port is used to terminate all existing
LAN connections. A dead socket is one that is held open by the instrument because it has not been
properly closed. This most often happens when the computer is turned off or reboots without first
closing the socket. This port cannot be used for command and control functions.
Monitoring the LAN
The lan.autoconnect command configures the instrument to monitor the LAN for lost connections.
All ethernet connections are disconnected if the LAN link is disconnected for longer than the time-out
value specified in the lan.linktimeout attribute.
Supplied software
The majority of software applications and all instrument drivers from Keithley Instruments depend on
some, or all, of the following software components:
• NI-VISA
TM
• VISA shared components
• IVI shared components
• NI
TM
CVI
TM
runtime engine
• NI
TM
IVI
TM
compliance package
• Keithley instrument driver
These software components are included on the CD-ROMs that came with your instrument, and are
also available for download at the Keithley Instruments support website
(http://www.keithley.com/support).
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