National Instruments GPIB-120B User manual

GPIB-120B

INSTALLATION GUIDE AND SPECIFICATIONS
GPIB Hardware
Contents
Electromagnetic Compatibility Guidelines .............................................................................. 1
GPIB-USB Interfaces ............................................................................................................... 2
LED Signaling ..................................................................................................................4
PCIe-GPIB, PCIe-GPIB+, PCI-GPIB, PCI-GPIB+, PCI-GPIB/LP, and PCI-8232................. 5
ExpressCard-GPIB ................................................................................................................... 7
PMC-GPIB ............................................................................................................................... 8
PXI-GPIB and PXI-8232..........................................................................................................10
GPIB-ENET/1000 .................................................................................................................... 12
GPIB-ENET/1000 Installation ......................................................................................... 12
Baseplate Identification Label .......................................................................................... 13
Startup............................................................................................................................... 13
Ethernet Connector LEDs................................................................................................. 14
Software Recognition ....................................................................................................... 14
Ethernet Configuration ..................................................................................................... 15
Firmware Update .............................................................................................................. 17
READY LED Signaling ................................................................................................... 17
CFG RESET Switch ......................................................................................................... 18
Specifications............................................................................................................................ 19
ExpressCard-GPIB ........................................................................................................... 19
GPIB-ENET/1000 ............................................................................................................ 20
GPIB-USB-HS.................................................................................................................. 21
GPIB-USB-HS+ ............................................................................................................... 22
PCI-8232........................................................................................................................... 23
PCIe-GPIB and PCIe-GPIB+ ........................................................................................... 25
PCI-GPIB.......................................................................................................................... 26
PCI-GPIB+ ....................................................................................................................... 27
PMC-GPIB .......................................................................................................................28
PXI-8232 .......................................................................................................................... 29
PXI-GPIB ......................................................................................................................... 30
All Devices ....................................................................................................................... 32
Worldwide Support and Services ............................................................................................. 34
Electromagnetic Compatibility Guidelines
This hardware has been tested and found to comply with the applicable regulatory requirements
and limits for electromagnetic compatibility (EMC) as indicated in the hardware’s Declaration
of Conformity (DoC)1. These requirements and limits are designed to provide reasonable

2|ni.com |GPIB Hardware Installation Guide and Specifications
protection against harmful interference when the hardware is operated in the intended
electromagnetic environment. In special cases, for example when either highly sensitive or noisy
hardware is being used in close proximity, additional mitigation measures may have to be
employed to minimize the potential for electromagnetic interference.
While this hardware is compliant with the applicable regulatory EMC requirements, there is no
guarantee that interference will not occur in a particular installation. To minimize the potential
for the hardware to cause interference to radio and television reception or to experience
unacceptable performance degradation, install and use this hardware in strict accordance with
the instructions in the hardware documentation and the DoC1.
If this hardware does cause interference with licensed radio communications services or other
nearby electronics, which can be determined by turning the hardware off and on, you are
encouraged to try to correct the interference by one or more of the following measures:
• Reorient the antenna of the receiver (the device suffering interference).
• Relocate the transmitter (the device generating interference) with respect to the receiver.
• Plug the transmitter into a different outlet so that the transmitter and the receiver are on
different branch circuits.
Some hardware may require the use of a metal, shielded enclosure (windowless version) to meet
the EMC requirements for special EMC environments such as, for marine use or in heavy
industrial areas. Refer to the hardware’s user documentation and the DoC1 for product
installation requirements.
When the hardware is connected to a test object or to test leads, the system may become more
sensitive to disturbances or may cause interference in the local electromagnetic environment.
Operation of this hardware in a residential area is likely to cause harmful interference. Users are
required to correct the interference at their own expense or cease operation of the hardware.
Changes or modifications not expressly approved by National Instruments could void the user’s
right to operate the hardware under the local regulatory rules.
GPIB-USB Interfaces
Caution Ground loops create an electric shock hazard and can cause damage to
your GPIB-USB hardware, your computer, and other system components. A ground
loop can occur when your computer and one or more connected instruments do not
share the same ground potential.
1 The Declaration of Conformity (DoC) contains important EMC compliance information and instructions
for the user or installer. To obtain the DoC for this product, visit ni.com/certification, search by
model number or product line, and click the appropriate link in the Certification column.

GPIB Hardware Installation Guide and Specifications |© National Instruments |3
To prevent damage to your GPIB-USB hardware and other system components, do
any of the following:
• Ensure that your system and all instruments connected to it share the same ground
potential. This eliminates the possibility of voltage differential running through
your system.
• Use a GPIB-120B Bus Isolator/Expander to isolate GPIB systems and expand the
GPIB interface up to 28 devices.
• Use a pair of GPIB-140A High-Speed Fiber-Optic Bus Extenders. This
transforms the GPIB signals at each end into fiber optic signals, allowing each
unit to reside at a different ground potential.
• Use an isolated USB hub.
Complete the following steps to install your interface:
1. Connect the USB connector from the GPIB-USB interface to an available USB Type A port
on your computer.
2. Before connecting the GPIB-USB interface to GPIB devices, ensure that the computer and
the GPIB devices are at the same ground potential. The GPIB-USB interface connects
directly to most GPIB devices without requiring a GPIB cable.
3. If your computer is already running, the operating system automatically detects the GPIB
interface. Otherwise, the GPIB interface is detected when you start your computer.
Figure 1. Installing the GPIB-USB Interface
The GPIB hardware installation is now complete.
1 Computer 2 USB Connector 3 GPIB-USB Interface 4 To GPIB Devices
2
3
1
4

4|ni.com |GPIB Hardware Installation Guide and Specifications
LED Signaling
The GPIB-USB-HS controller uses two LEDs to indicate status and activity.
When you connect the GPIB-USB-HS controller, the READY LED lights either green or amber
once the driver is installed and detected. Table 1 summarizes the functionality of the LEDs on
the GPIB-USB-HS hardware.
The GPIB-USB-HS+ controller uses a multicolored LED to indicate status and activity. Table 2
summarizes the functionality of the LEDs on the GPIB-USB-HS+ hardware.
Table 1. GPIB-USB-HS LED Descriptions
LED Description
READY Green indicates that the GPIB-USB-HS is plugged into a USB full-speed
(USB 1.1) port.
Amber indicates that the GPIB-USB-HS is plugged into a USB Hi-Speed
(USB 2.0) port.
ACTIVE Indicates activity on the GPIB bus.
Table 2. GPIB-USB-HS+ LED Descriptions
LED Description
Alternating
Amber/Green
The GPIB-USB-HS+ is not ready to use. You must install (or re-install)
the NI-488.2 driver before using the GPIB-USB-HS+.
Note: Windows 8 and later suspend power to a USB device that does not
have a driver attached. If the LED does not light, try reinstalling the
NI-488.2 driver.
Steady Green Indicates that the GPIB-USB-HS+ is plugged into a USB full-speed
(USB 1.1) port.
Steady Amber Indicates that the GPIB-USB-HS+ is plugged into a USB Hi-Speed
(USB 2.0) port.
Blinking Amber
or Green
Indicates activity on the GPIB bus or that the GPIB Analyzer is
capturing.

GPIB Hardware Installation Guide and Specifications |© National Instruments |5
PCIe-GPIB, PCIe-GPIB+, PCI-GPIB,
PCI-GPIB+, PCI-GPIB/LP, and PCI-8232
Caution Electrostatic discharge can damage several components on your GPIB
board. To avoid such damage in handling your board, touch the antistatic plastic
package to a metal part of your computer chassis before removing the board from the
package.
Complete the following steps to install your interface:
1. Make sure that your computer is powered off. Keep the computer plugged in so that it
remains grounded while you install the GPIB hardware.
2. Remove the top cover (or other access panels) to gain access to the computer expansion
slots.
3. Find an unused expansion slot in your computer. Your PCI board can be plugged into either
a 3.3 V or 5 V, 32- or 64-bit PCI slot. Your PCI Express card can be plugged into a x1, x4,
x8, or x16 PCI Express slot.
4. Remove the corresponding slot cover on the back panel of the computer.
5. Insert the GPIB board into the slot with the GPIB connector sticking out of the opening on
the back panel, as shown in Figure 2. It might be a tight fit, but do not force the board into
place.
Note Your PCI Express board may be larger than the one shown in the figure.

6|ni.com |GPIB Hardware Installation Guide and Specifications
Figure 2. Installing Your PCI/PCI Express Board
6. Screw the mounting bracket of the GPIB board to the back panel rail of the computer.
7. Replace the top cover (or the access panel to the expansion slot).
8. Power on your computer.
The GPIB hardware installation is now complete.
1 PCI Express Board
2 PCI Express Slot
3 Computer 1PCIBoard
2PCISlot
3 Computer
3
1
2
3
1
2

GPIB Hardware Installation Guide and Specifications |© National Instruments |7
ExpressCard-GPIB
Caution Ground loops create an electric shock hazard and can cause damage to
your ExpressCard-GPIB hardware, your computer, and other system components. A
ground loop can occur when your computer and one or more connected instruments
do not share the same ground potential.
To prevent damage to your ExpressCard-GPIB hardware and other system
components, do any of the following:
• Ensure that your system and all instruments connected to it share the same ground
potential. This eliminates the possibility of voltage differential running through
your system.
• Use a GPIB-120B Bus Isolator/Expander to isolate GPIB systems and expand the
GPIB interface up to 28 devices.
• Use a pair of GPIB-140A High-Speed Fiber-Optic Bus Extenders. This
transforms the GPIB signals at each end into fiber optic signals, allowing each
unit to reside at a different ground potential.
Complete the following steps to install the ExpressCard-GPIB interface:
1. Plug the card into an available ExpressCard™ slot on your computer.
2. Before connecting the ExpressCard-GPIB interface to GPIB devices, ensure that the
computer and the GPIB devices are at the same ground potential.
3. If your computer is already running, the operating system automatically detects the GPIB
interface. Otherwise, the GPIB interface is detected when you start your computer.

8|ni.com |GPIB Hardware Installation Guide and Specifications
Figure 3 shows how to insert the ExpressCard-GPIB and connect the cable.
Figure 3. Inserting the ExpressCard-GPIB
The GPIB hardware installation is now complete.
PMC-GPIB
Caution Electrostatic discharge can damage several components on your GPIB
board. To avoid electrostatic damage when you handle the board, touch the antistatic
plastic package to a metal part of your system chassis before removing the board from
the package.
Complete the following steps to install your PMC-GPIB:
1. Power off your system.
2. Find an unused PMC slot in your system. You may need to remove the host from the system
to access the PMC slot.
3. Remove the corresponding slot filler panel from the host.
1 Notebook Computer 2 ExpressCard Slot 3 ExpressCard-GPIB Cable
1
2
3

GPIB Hardware Installation Guide and Specifications |© National Instruments |9
4. Insert the PMC-GPIB into the slot as shown in Figure 4. It might be a tight fit, but do not
force the board into place.
Figure 4. Installing the PMC-GPIB
5. Use the mounting hardware provided to fasten the PMC-GPIB to the host.
6. Reinstall the host, if you removed it to install the PMC-GPIB.
7. Power on your system.
The PMC-GPIB hardware installation is now complete.
1 Host Face Plate
2 3.3 V Keying Hole
3 5 V Keying Hole
4 PMC-GPIB Board
5 Mounting Screws
5
1
2
34

10 |ni.com |GPIB Hardware Installation Guide and Specifications
PXI-GPIB and PXI-8232
Caution Electrostatic discharge can damage several components on your GPIB
board. To avoid electrostatic damage when you handle the board, touch the antistatic
plastic package to a metal part of your system chassis before removing the board from
the package.
Complete the following steps to install your PXI card:
1. Make sure that your PXI or CompactPCI chassis is powered off. Keep the PXI or
CompactPCI chassis plugged in so that it remains grounded while you install your
PXI card.
2. Choose an unused PXI or CompactPCI 5 V peripheral slot. For maximum performance,
your PXI card has an onboard DMA controller that can only be used if the board is installed
in a slot that supports bus arbitration, or bus master cards. National Instruments
recommends installing your PXI card in such a slot. If you install the board in a non-master
slot, you must disable your PXI card’s onboard DMA controller using the board-level call
ibdma. Refer to the NI-488.2 Help for a complete description of ibdma.
3. Remove the filler panel for the peripheral slot you have chosen.
4. Touch a metal part on your chassis to discharge any static electricity that might be on your
clothes or body.

GPIB Hardware Installation Guide and Specifications |© National Instruments |11
5. Insert your PXI card into the selected 5 V slot. Use the injector/ejector handle to fully inject
the device into place. Figure 5 shows how to install your PXI card into a PXI or
CompactPCI chassis.
Figure 5. Installing Your PXI Card
6. Screw the front panel of the PXI card to the front panel mounting rail of the PXI or
CompactPCI chassis.
7. Power on your PXI or CompactPCI chassis.
The PXI card installation is now complete.
1 Injector/Ejector Handle (In Down Position)
2 Your PXI Card
3 PXI Chassis
4 Injector/Ejector Rail
8
7
6
5
4
3
2
1
ON STANDBY
1
2
3
4

12 |ni.com |GPIB Hardware Installation Guide and Specifications
GPIB-ENET/1000
GPIB-ENET/1000 Installation
Complete the following steps and refer to Figure 6 to install the GPIB-ENET/1000:
1. Connect one end of your shielded Ethernet cable to your GPIB-ENET/1000. Connect the
other end of the shielded Ethernet cable to your Ethernet network.
2. Connect one end of the power cord to the power supply. Screw the power connector on the
other end of the power supply onto the power jack of the GPIB-ENET/1000.
3. Plug the other end of the power cord into an AC outlet.
Figure 6. Installing the GPIB-ENET/1000
4. Refer to the Baseplate Identification Label on the base of the GPIB-ENET/1000 and make
a note of the serial number, MAC address (Ethernet address), and default hostname. You
will need this information when you run some of the utilities.
5. Contact your network administrator to determine whether your network supports DHCP or
if you need to manually perform the Ethernet configuration to set up the network
parameters. If your network uses DHCP, the network configuration is performed
automatically at startup. If your network does not use DHCP, Auto IP (link-local)
addressing is used to acquire an initial IP address. A steady green READY LED indicates
the GPIB-ENET/1000 finished its boot process and acquired its IP address. The unit is now
ready to operate. You may need to run software configuration and verification utilities at
this time.
6. Connect the GPIB cable to the GPIB-ENET/1000. Connect the other end to your GPIB
instrument.
1 Front Panel LEDs
2 GPIB Cable
3 Power Cord
4 Power Supply
5 Ethernet Connector
6 Power Connector
7 Configuration Reset Switch
8 Shielded Ethernet Cable
9 To Ethernet Network
NATIONAL
INSTRUMENTS
9
4
3
2
6
5
1
7
8

GPIB Hardware Installation Guide and Specifications |© National Instruments |13
Baseplate Identification Label
When you configure the GPIB-ENET/1000 for use on your network, you will need to
differentiate it from other network devices. Every GPIB-ENET/1000 has a unique serial number,
Ethernet address, and default hostname. You can find this information on the baseplate
identification label on the GPIB-ENET/1000.
Note The Ethernet address is not the IP address. All devices on an Ethernet network
are assigned a unique physical address—the Ethernet address, also known as the
MAC address—so they can communicate with each other.
Figure 7. GPIB-ENET/1000 Baseplate Identification Label
Startup
Turn on the front-panel power switch. The POWER LED lights steady green. The READY
LED blinks green rapidly while the GPIB-ENET/1000 completes its boot process and attempts
to acquire its network parameters.
By default, the GPIB-ENET/1000 attempts its network configuration automatically through
DHCP. If there is no DHCP response, the GPIB-ENET/1000 reverts to Auto IP addressing and
assigns itself an IP address in the range of 169.254.x.x. Refer to Auto IP Addressing for more
information. The time required for assigning the IP address depends on your network and the
configuration of your GPIB-ENET/1000. Allow up to 30 seconds and observe the state of the
READY LED to determine the outcome of the boot process. One of the following should occur:
• A steady green READY LED indicates the GPIB-ENET/1000 finished the boot process
and acquired its IP address. The unit is now ready to operate. When using DHCP, the
GPIB-ENET/1000 typically is ready to operate about 15 seconds after you power it on.
• If the READY LED blinks a slow red pattern, the GPIB-ENET/1000 boot process failed.
Refer to READY LED Signaling to interpret the flash pattern before calling National
Instruments Technical Support.
• A steady red READY LED indicates that the GPIB-ENET/1000 has corrupt firmware and
has entered Safe Mode. The only operation allowed in Safe Mode is to update the firmware.
Refer to the Firmware Update section for instructions on how to update the firmware.
1 Serial Number 2 MAC Address (Ethernet Address) 3 Default Hostname
N114 1
2
U.S.A.Prod. of
196541B-01L
BA5BF1
MODEL: GPIB-ENET/1000
PART NO:
SERIAL NO:
MAC ADDRESS:
00802F090E97
DEFAULT HOSTNAME: NIENET
BA5BF1
1REV:
40
3

14 |ni.com |GPIB Hardware Installation Guide and Specifications
Table 3 summarizes the functionality of all the front-panel LEDs on the GPIB-ENET/1000.
Ethernet Connector LEDs
The Ethernet connector LEDs on the back panel, shown in Figure 8, indicate your Ethernet
connection status.
Figure 8. Ethernet Connector LEDs
The 10/100/1000 LED indicates your Ethernet connection speed.
•Yellow—Indicates your network connection is 1000 Mbit/s.
•Green—Indicates your network connection is 100 Mbit/s.
•Off—Indicates your network connection is 10 Mbit/s, or the Ethernet is not connected if
the ACT/LINK LED also is off.
The ACT/LINK LED indicates network activity.
•Steady green—Indicates you have a network link, but no network activity is detected.
•Blinking green—Indicates you have a network link and network activity is detected.
•Off—Indicates you do not have a network link.
Software Recognition
In Windows, use the GPIB Ethernet Wizard to add the GPIB-ENET/1000 to your system.
Launch the GPIB Ethernet Wizard from Start»Programs»National Instruments»NI-488.2.
Table 3. GPIB-ENET/1000 LED Descriptions
LED Description
POWER Indicates the power cord is connected and the GPIB-ENET/1000 is
switched on.
READY Flashes green rapidly at startup while booting and acquiring network
parameters. A steady green state indicates the unit is ready for operation.
A steady red or slow red blinking pattern indicates an error occurred.
TALK Indicates the GPIB-ENET/1000 is configured as a GPIB Talker.
LISTEN Indicates the GPIB-ENET/1000 is configured as a GPIB Listener.
ACT/LINK Indicates the GPIB-ENET/1000 detected an Ethernet link and blinks to
indicate network activity.
10/100/1000 ACT/LINK

GPIB Hardware Installation Guide and Specifications |© National Instruments |15
(Windows 8) Click NI Launcher and select GPIB Ethernet Wizard. Accept the
GPIB-ENET/1000 default configuration settings or change them while running the wizard.
On Mac and Linux, use the Add GPIB Hardware Wizard to add the GPIB-ENET/1000 to your
system. Click New to launch the Add GPIB Hardware Wizard from the GPIB Explorer utility in
the installed NI-488.2 or ni4882 directory. Once the GPIB-ENET/1000 is recognized, you
can change the configuration settings as described in the Ethernet Configuration section.
Refer to the installation guide on the media for more details about the GPIB Ethernet Wizard,
Add GPIB Hardware Wizard, and GPIB Explorer utility.
Ethernet Configuration
The GPIB-ENET/1000 uses a Web page for device configuration. If your network uses DHCP,
the network configuration is performed automatically at startup, and you should not need the
GPIB-ENET/1000 Configuration Web page unless you need to modify the hostname or update
the firmware.
In addition to manually configuring the network parameters, you can use the GPIB-ENET/1000
Configuration Web page for any of the following purposes:
• Enable DHCP/Auto IP addressing
• Verify or change the hostname
• Add or change a comment to help identify the device
• Change the administrator password
• Update firmware
Once the GPIB-ENET/1000 has been added to your system, you may need to remove it and add
it again if you modify the configuration of a GPIB-ENET/1000.
Using the GPIB-ENET/1000 Configuration Web Page
You can access the GPIB-ENET/1000 Configuration Web page in most browsers. Enter the IP
address or hostname into the browser’s address bar. Anyone can view the current configuration
at any time. However, changes to the configuration or firmware updates proceed only after you
enter the proper password.
Changing the Network Settings
Complete the following steps to change the network settings:
1. Navigate to the GPIB-ENET/1000 Configuration Web page using a browser.
The current hostname is displayed. The hostname associates a name with a numerical IP
address. Hostname is a required field.
The GPIB-ENET/1000 attempts to use the hostname when registering with DHCP. Many
DHCP servers have the ability to register the hostname and the assigned IP address. You
then can reliably use the hostname to communicate with your GPIB-ENET/1000 even if the
numerical IP address changes.
Some DHCP servers do not implement hostname registration. The GPIB-ENET/1000
requires Domain Name Server (DNS) registration when using DHCP. If your DHCP server

16 |ni.com |GPIB Hardware Installation Guide and Specifications
does not support DNS registration, you must use an Auto IP address or static network
parameters.
2. Choose whether you need to use DHCP with Auto IP fallback or a static IP configuration.
• Leaving the checkbox unchecked enables DHCP with Auto IP fallback. You do not
need to enter any network parameters unless you want to change the Ethernet device
hostname.
• To use static IP configuration, check the Static IP Configuration checkbox. Enter the
Static IP Parameters you have chosen for the host IP Address, Subnet Mask, Default
Gateway, Primary DNS Server, and Secondary DNS Server.
3. You can enter an optional comment to help you identify each device.
4. When your configuration is complete, save the configuration to the GPIB-ENET/1000. You
must supply the correct administrator password prior to the settings being saved.
The GPIB-ENET/1000 applies the setting changes immediately. There is no need to reboot the
interface.
Auto IP Addressing
Auto IP addressing, also referred to as link-local addressing, allows a network device to obtain
its network identity automatically and advertise its presence without other network servers being
required, such as DHCP and DNS. An Auto IP address is in the form of 169.254.x.x. This
type of addressing is useful for connecting the GPIB-ENET/1000 directly to a Windows PC.
To determine the Auto IP address the GPIB-ENET/1000 is using, you need to discover the
interface using Measurement & Automation Explorer or the GPIB Ethernet Wizard. In addition
to an automatically assigned IP address, Auto IP also consists of a “local name” responder. You
should be able to access the GPIB-ENET/1000 using the hostname followed by .local, such
as nienetba5bf1.local.
Static IP Parameters
If DHCP is not available and you do not want to use Auto IP, you must provide the
GPIB-ENET/1000 with several important network parameters.
•IP address—The unique, computer-readable address of a device on your network. An IP
address typically is represented as four decimal numbers separated by periods (for example,
130.164.54.215). Refer to the Choosing a Static IP Address section.
•Subnet Mask—A bit mask that helps the network device determine whether another
device is on the same network or a different network.
•Default Gateway—The IP address of a device that acts as a gateway, which is a connection
between two networks. If your network does not have a gateway, set this parameter to
0.0.0.0.
•Primary DNS Server/Secondary DNS Server—The IP address of a network device that
stores hostnames and translates them into IP addresses. If your network does not have a
DNS server, leave these parameters blank.

GPIB Hardware Installation Guide and Specifications |© National Instruments |17
Choosing a Static IP Address
For a Network Administered by a Network Administrator
If you are adding the GPIB-ENET/1000 to an existing Ethernet network, you must choose IP
addresses carefully. Contact your network administrator to obtain an appropriate static
IP address for your GPIB-ENET/1000. Also have the network administrator assign the proper
subnet mask, gateway, and DNS server addresses.
For a Network without a Network Administrator
If you are assembling your own small Ethernet network, you can choose your own IP addresses.
The format of the IP addresses is determined by the subnet mask. You should use the same
subnet mask as the computer you are using with your GPIB-ENET/1000. If your subnet mask is
255.255.255.0, the first three numbers in every IP address on the network must be the same.
If your subnet mask is 255.255.0.0, only the first two numbers in the IP addresses on the
network must match.
For either subnet mask, numbers between 1 and 254 are valid choices for the last number of
the IP address. Numbers between 0 and 255 are valid for the third number of the IP address,
but this number must be the same as other devices on your network if your subnet mask is
255.255.255.0.
If you are setting up your own network, you probably do not have a gateway or DNS server.
If this is the case, you should set the default gateway to 0.0.0.0 and leave the two DNS server
parameters blank.
Firmware Update
The GPIB-ENET/1000 software includes a firmware update feature you can use to access new
features that may be added to the GPIB-ENET/1000 in the future. You must update the firmware
to take advantage of any new features. You can obtain the latest upgrade by navigating to
ni.com/info in a Web browser and entering Info Code GPIBENET1000FW.
Caution Do not power-off the GPIB-ENET/1000 or disconnect the power supply
while updating the firmware. Doing so could damage the unit. The
GPIB-ENET/1000 reboots automatically when the update completes.
You can update the firmware from the GPIB-ENET/1000 Web Configuration page. To access
the GPIB-ENET/1000 Web Configuration page, enter the IP address or hostname into the
browser address bar. In the Details section of the web page, click Update under the Firmware
heading.
READY LED Signaling
The READY LED blinks red slowly in a distinct pattern to alert you of internal errors. Use this
section to interpret and record the pattern that the READY LED flashes, and then contact
National Instruments.

18 |ni.com |GPIB Hardware Installation Guide and Specifications
Note By recording the READY LED status messages before calling National
Instruments, you can save yourself time, and the Product Support Department can
answer your questions more accurately and efficiently. Do not switch off power to
your GPIB-ENET/1000 before recording the blinking READY LED pattern.
READY LED signaling can report up to 81 different errors. The errors are numbered from
11 to 99 and are reported through sequences of READY LED flashes.
Note There is no zero in any error message. This means that error message numbers
0 to 10, 20, 30, 40, 50, 60, 70, 80, and 90 are not possible.
Step 1. Count the Long Flashes
A three-second interval, during which the READY LED is off, separates each repetition of the
sequence. The sequence begins with a series of long one-second flashes—that is, one second red,
one second off. These long flashes represent the digit in the tens column. There can be one to
nine long flashes, which represent digits 1 through 9. For example, one long flash represents the
digit 1 in the tens column, and nine long flashes represent the digit 9 in the tens column.
Step 2. Count the Short Flashes
The long flashes are followed by shorter flashes; each short flash lasts about one-fifth of a
second—that is, one-fifth of a second red, one-fifth of a second off. These short flashes represent
the digit in the ones column. Again, there can be one to nine flashes, which represent the digits
1 through 9. For example, one short flash represents the digit 1 in the ones column, and
nine short flashes represent the digit 9 in the ones column.
Using this method, the READY LED flashes the following sequence to represent status
message 11:
<three seconds off> <one long red flash> <one short red flash>
<three seconds off>…
The READY LED flashes the following sequence to represent status message 31:
<three seconds off> <three long red flashes> <one short red flash> <three seconds off>…
Step 3. Record Your Status Code Number
When you have computed your error message number, write it down and also note the
ON/OFF state of the ACT/LINK LED. Have this information available when calling
National Instruments.
CFG RESET Switch
The Configuration Reset (CFG RESET) switch is a recessed switch located beside the power
connector on the rear panel.

GPIB Hardware Installation Guide and Specifications |© National Instruments |19
You can use this switch at power on to reset the unit to its factory settings. By pressing and
holding the CFG RESET switch while you power on the GPIB-ENET/1000, all settings revert
to the factory settings as follows:
• DHCP with Auto IP fallback.
• Default hostname as printed on the baseplate label.
• Administrator password is pass.
You must press and hold the switch until the READY LED blinks yellow. If you release
the switch prior to the READY LED blinks yellow, no change occurs to the network
configuration, and the GPIB-ENET/1000 continues to boot normally.
Once the READY LED blinks yellow, release the CFG RESET switch. The GPIB-ENET/1000
resets to its default network characteristics and resumes the boot process. The READY LED
indicates the boot process progress, as described in Table 3.
Specifications
ExpressCard-GPIB
Performance
GPIB
3-wire up to 1830 kbytes/s
HS488 up to 7230 kbytes/s
Power Requirements
Device is powered by ExpressCard USB interface
+3.3 V 140 mA, Typical
500 mA, Maximum
Physical Characteristics
Dimensions 3.4 cm × 7.5 cm × 0.5 cm
(1.34 in. × 2.95 in. × 0.2 in.)
Connector
GPIB 26-position latching connector with cable to
IEEE 488 24-pin connector included in shipping
kit
ExpressCard ExpressCard/34 standard connector interface