© National Instruments Corporation 3 Application Note 184
To complete your wireless test system connections, connect your wireless router to the GPIB-ENET/100 with a
standard twisted-pair Ethernet cable. The GPIB-ENET/100 connects to your instrumentation system with a standard
GPIB cable. Figure 1 delineates this wireless GPIB system.
Figure 1. Wireless GPIB Diagram
Configuring Your GPIB-ENET/100
The GPIB-ENET/100 hardware and NI-488.2 software must be correctly installed and configured before any GPIB
applications can be developed. This section offers a road map for configuring the GPIB-ENET/100 for operation.
Refer to the GPIB-ENET/100 Getting Started manual (shipped with the product and available on the Web) for
platform-specific installation instructions.
In general, setting up a GPIB-ENET/100 distributed test system is easy because the Ethernet network is already in
place. The same applies for setting up the GPIB-ENET/100 to the wireless router. Even though your network is
wireless, the GPIB-ENET/100 still uses an Ethernet connection to the wireless router. All that remains is to add the
GPIB-ENET/100 as a device on the Ethernet, as follows:
1. Install the wireless network card and verify it can connect to your wireless router.
2. Install NI-488.2 software on each computer that will be used for wireless control the GPIB-ENET/100.
3. Use the utilities included with the driver software to configure each individual GPIB-ENET/100 with a unique
IP address (this step has to be performed only once per GPIB-ENET/100 interface and can be done manually or
automatically).
4. Configure the software on each controlling computer with the IP addresses of the GPIB-ENET/100(s) (configured
inStep3above)thatitwillcontrol.
NI-488.2 for the GPIB-ENET/100
Table 1 summarizes the operating systems under which you can use the GPIB-ENET/100. The maximum number of
GPIB-ENET/100s is expandable under UNIX platforms. Contact National Instruments if you need to control more
than the specified number. The NI-488.2 API used to program your GPIB-ENET/100 is consistent across these
platforms as well as other interfaces, such as the PCI-GPIB or PCMCIA-GPIB. You can develop your software and
use it with other interfaces types and other applicable operating systems with little or no source code modification.
For additional operating systems, contact National Instruments.
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