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USER MANUAL
PXIe-8521
4-port, 100BASE-T1 PXI Automotive Ethernet Interface Module
This document explains how to install and configure the PXIe-8521 module.
Contents
Introduction............................................................................................................................... 1
Getting Started.......................................................................................................................... 2
Installing the PXIe-8521................................................................................................... 2
PXIe-8521 Pinout..............................................................................................................4
Connection Guidelines...................................................................................................... 4
Port Modes........................................................................................................................ 5
PHY State..........................................................................................................................8
Configuring the PXIe-8521 in MAX................................................................................ 9
Programming the PXIe-8521............................................................................................ 9
LED Functionality...................................................................................................................10
Synchronization Methods....................................................................................................... 10
Local Time...................................................................................................................... 10
Network Time..................................................................................................................11
Host Time........................................................................................................................ 11
PXI Triggers.................................................................................................................... 11
Introduction
Kit Contents
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PXIe-8521 module
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26 AWG x 8 mm insulated ferrules, x 20
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Screw driver for use with connector spring terminal push buttons
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PXIe-8521 Safety, Environmental, and Regulatory Information
Note
The PXIe-8521 ships with plug connectors pre-installed on each port.
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Related Manuals for National Instruments PXIe-8521
Summary of Contents for National Instruments PXIe-8521
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Page 1: Table Of Contents
USER MANUAL PXIe-8521 4-port, 100BASE-T1 PXI Automotive Ethernet Interface Module This document explains how to install and configure the PXIe-8521 module. Contents Introduction..........................1 Getting Started.......................... 2 Installing the PXIe-8521....................2 PXIe-8521 Pinout......................4 Connection Guidelines...................... 4 Port Modes........................5 PHY State..........................8 Configuring the PXIe-8521 in MAX................ -
Page 2: Getting Started
5. PXI Express Peripheral Slot 3. PXI Express Hybrid Peripheral Slot PXIe-8521 modules can be placed in PXI Express peripheral slots, PXI Express hybrid peripheral slots, or PXI Express system timing slots. Touch any metal part of the chassis to discharge static electricity. - Page 3 11. Cover all empty slots using EMC filler panels or fill using slot blockers to maximize cooling air flow, depending on your application. 12. Power on the chassis. PXIe-8521 User Manual | © National Instruments | 3...
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Page 4: Pxie-8521 Pinout
Signal Description Signal Required TRX_P Bi-directional Transceiver plus Required TRX_M Bi-directional Transceiver minus Required Shield — Shield Optional Connection Guidelines Notice Operate this product only with cables less than 15 m in length. 4 | ni.com | PXIe-8521 User Manual... -
Page 5: Port Modes
Port Modes The PXIe-8521 includes four ports that can be configured as independent network interfaces on the module. The ports can function in Direct mode or Tap mode. Regardless of mode, traffic on each port can be monitored. When monitoring is enabled, all traffic that is transmitted or received on that port is captured. - Page 6 Tap pair will be identical on each port in the pair. The IEEE 802.1AS protocol is implemented by the firmware running on the PXIe-8521, and packet timestamps are taken near the device's physical layer. This helps guarantee a high degree of synchronization accuracy for each port's network time.
- Page 7 In Tap mode, a pair of adjacent ports on the device, called tap partners, are connected to form a Tap that allows the PXIe-8521 to monitor traffic. In Tap mode, physical Port 1 and Port 2 are PXIe-8521 User Manual | © National Instruments | 7...
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Page 8: Phy State
Setting one port to Tap mode will automatically set the port's Tap partner to Tap mode. The PXIe-8521 supports two Taps (Ports 1/2 and Ports 3/4) using this mode. All four ports can also be used simultaneously while one pair is in Tap mode and the other ports are in Direct mode. -
Page 9: Configuring The Pxie-8521 In Max
The MAX self-test performs a basic verification of hardware resources. Programming the PXIe-8521 You can program the PXIe-8521 using both the NI-XNET API and the operating system's standard network stack API. Both APIs can be used simultaneously. Select an API based on... -
Page 10: Led Functionality
LED Functionality The PXIe-8521 includes two LED indicators per port to help you monitor hardware and bus status. LED Label LED State LED Color Condition LINK/ACT —... -
Page 11: Network Time
Although host time provides accurate date/time information, the accuracy and resolution of its clock can often be in tens of milliseconds. In contrast, the PXIe-8521 provides resolution for local time and network time in nanoseconds. Although local time and network time use host time to initialize their date/time information, they do not use the same physical clock as host time. - Page 12 NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your software, the file on your media, or the National Instruments Patent Notice at . You can find patents.txt ni.com/patents...