Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 2: Installation
2601B-PULSE-901-01A April 2020 2-23
LAN status LEDs
The figure below illustrates the two status light emitting diodes (LEDs) that are on the LAN port of the
instrument. The table below the figure provides explanations of the LED states. The LED labeled 1
indicates the LAN port is connected to a 100 Mbps network. The LED labeled 2 indicates the LAN
port is connected to a 10 Mbps network.
Figure 18: LAN status
is sending or receiving data
Selecting a LAN interface protocol
You can use a remote interface protocol to connect to the 2601B-PULSE. The 2601B-PULSE
provides Telnet, VXI-11, and raw socket LAN interfaces, with associated LAN protocols (each
interface uses a different protocol). Select the interface based on the protocol needed.
You can also use a dead socket termination interface (DST) to troubleshoot connection problems.
You can only use one remote interface at a time. Although multiple ethernet connections to the
instrument can be opened, only one can be used to control the instrument at a time.
Telnet connection
The Telnet protocol is similar to raw socket and can be used when you need to interact directly with
the instrument. Telnet is often used for debugging and troubleshooting. You will need a separate
Telnet program to use this protocol.
The 2601B-PULSE supports the Telnet protocol, which you can use over a TCP/IP connection to
send commands to the instrument. You can use a Telnet connection to interact with scripts or send
real-time commands.
VXI-11 connection
This remote interface is similar to GPIB and supports message boundaries, serial poll, and service
requests (SRQs). A VXI-11 driver or NI-VISA software is required. Test Script Builder (TSB) uses
NI-VISA and can be used with the VXI-11 interface. You can expect a slower connection with this
protocol.
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