Keithley 708B Reference Manual page 84

Models 707B and 708B Switching Matrix Reference Manual
board is the network interface card in the computer. This value is usually skipped and VISA
determines the correct network interface card (if you have more than one) by looking at the IP
address.
host address can be either a valid DNS hostname, mDNS hostname, or the IPv4 IP (only) address
of the instrument.
LAN device name is a method of addressing secondary instruments at the main IP address, similar
to secondary addressing on the GPIB bus. The default is inst0.
A raw socket connection requires more work by the driver or application program to make sure the
correct amount of data has been sent or received correctly. All Keithley instruments support the raw
socket connection.
TCPIP[board]::host address::port::SOCKET
The board and the host address are the same as for the VXI-11 protocol.
port is the port to which to connect on the instrument. For the Models 707B and 708B, the port is
5025. See Instrument LAN protocols
Addressing instruments using USB
USB[board]::manufacturer ID::model code::serial number[::USB interface
number][::INSTR]
board is not used (0).
manufacturer ID is the USB.org reserved four-digit hex code for the instrument vendor company.
Keithley Instruments is 05E6.
model code is the model number of the instrument. For example, when addressing a Model 707B,
use 707B.
serial number is the serial number of the instrument.
USB interface number identifies which USBTMC interface on the instrument to address (usually
0).
Also see USB VISA identifiers
707B-901-01 Rev. A / August 2010
(on page 2-40) for a complete list of port numbers.
NOTE
(on page 2-31).
Section 2: General operation
2-65