{"id":34713,"date":"2026-08-07T15:26:32","date_gmt":"2026-08-07T07:26:32","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=34713"},"modified":"2026-09-06T22:04:46","modified_gmt":"2026-09-06T14:04:46","slug":"pxie-8523","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-8523\/","title":{"rendered":"PXIe-8523"},"content":{"rendered":"<h3>PXIe-8523 4-Port Automotive Ethernet Interface<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>PXIe-8523<\/strong> is a four-port PXI Express Automotive Ethernet interface designed for testing 100BASE-T1 and 1000BASE-T1 networks. It can operate as four independent network endpoints or as two bidirectional network terminal access points for monitoring traffic between connected automotive devices.<\/p>\n<p>The module combines single-pair Ethernet physical interfaces with hardware timestamping, IEEE 802.1AS network synchronization, PXI trigger integration and NI-XNET software support. It is suitable for automotive ECU validation, in-vehicle network analysis, restbus simulation, protocol testing and hardware-in-the-loop systems.<\/p>\n<h3>Key Features of the PXIe-8523<\/h3>\n<ul>\n<li>Four independent Automotive Ethernet ports<\/li>\n<li>100BASE-T1 and 1000BASE-T1 link support<\/li>\n<li>Four-endpoint operating mode<\/li>\n<li>Two network TAP operating mode<\/li>\n<li>Onboard hardware timestamping<\/li>\n<li>IEEE 802.1AS network-time synchronization<\/li>\n<li>Raw Ethernet, TCP\/IP and UDP\/IP support<\/li>\n<li>AVB and AVTP protocol support<\/li>\n<li>Four independently disciplined network timebases<\/li>\n<li>PXI trigger-line integration<\/li>\n<li>1 MHz and 1 PPS clock export capability<\/li>\n<li>Gen 2 x4 PXI Express interface<\/li>\n<li>NI-XNET software support<\/li>\n<li>Compatible with LabVIEW and VeriStand test systems<\/li>\n<\/ul>\n<h3>PXIe-8523 Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-8523<\/td>\n<\/tr>\n<tr>\n<th>Part Number<\/th>\n<td>787311-01<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>PXI Automotive Ethernet interface module<\/td>\n<\/tr>\n<tr>\n<th>Number of Ports<\/th>\n<td>4<\/td>\n<\/tr>\n<tr>\n<th>Supported Physical Layers<\/th>\n<td>100BASE-T1 and 1000BASE-T1<\/td>\n<\/tr>\n<tr>\n<th>Endpoint Configuration<\/th>\n<td>Up to four independent endpoints<\/td>\n<\/tr>\n<tr>\n<th>TAP Configuration<\/th>\n<td>Up to two bidirectional network TAPs<\/td>\n<\/tr>\n<tr>\n<th>Typical TAP Latency at 100 Mb\/s<\/th>\n<td>2 \u00b5s<\/td>\n<\/tr>\n<tr>\n<th>Typical TAP Latency at 1 Gb\/s<\/th>\n<td>5.55 \u00b5s<\/td>\n<\/tr>\n<tr>\n<th>Supported Protocols<\/th>\n<td>IEEE 802.3 Raw Ethernet, TCP\/IP, UDP\/IP, AVB, AVTP and IEEE 802.1AS<\/td>\n<\/tr>\n<tr>\n<th>Ethernet PHY<\/th>\n<td>Broadcom BCM89881<\/td>\n<\/tr>\n<tr>\n<th>Local Timebase<\/th>\n<td>100 MHz shared by all ports<\/td>\n<\/tr>\n<tr>\n<th>Network Timebases<\/th>\n<td>Four 125 MHz timebases, one per port<\/td>\n<\/tr>\n<tr>\n<th>Hardware Timestamps<\/th>\n<td>Four timestamp resources, one per port<\/td>\n<\/tr>\n<tr>\n<th>Time Triggers<\/th>\n<td>Four, generated from local or network time<\/td>\n<\/tr>\n<tr>\n<th>Trigger Lines<\/th>\n<td>PXI_Trig 0 through PXI_Trig 7<\/td>\n<\/tr>\n<tr>\n<th>Exported Clocks<\/th>\n<td>1 MHz and 1 PPS per port<\/td>\n<\/tr>\n<tr>\n<th>\u0428\u0438\u043d\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/th>\n<td>PXI Express Gen 2 x4<\/td>\n<\/tr>\n<tr>\n<th>Front Connectors<\/th>\n<td>Four Weidm\u00fcller BLF 3.50 three-position connectors<\/td>\n<\/tr>\n<tr>\n<th>Dimensions<\/th>\n<td>160 mm \u00d7 100 mm, 3U CompactPCI format<\/td>\n<\/tr>\n<tr>\n<th>Weight<\/th>\n<td>Approximately 200 g<\/td>\n<\/tr>\n<tr>\n<th>Operating Temperature<\/th>\n<td>0\u00b0C to 55\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Software Driver<\/th>\n<td>NI-XNET<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>PXIe-8523 Part Number and Connectivity<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Item<\/th>\n<th>Part Number<\/th>\n<th>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<tr>\n<td>PXIe-8523<\/td>\n<td>787311-01<\/td>\n<td>Four-port 100\/1000BASE-T1 Automotive Ethernet interface<\/td>\n<\/tr>\n<tr>\n<td>Three-Position Spring Connector<\/td>\n<td>Verify replacement quantity when ordering<\/td>\n<td>Provides TRX_P, TRX_M and optional shield connections<\/td>\n<\/tr>\n<tr>\n<td>Automotive Ethernet Cable<\/td>\n<td>Application dependent<\/td>\n<td>Single-pair cable selected for 100BASE-T1 or 1000BASE-T1 fixtures<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The front connector provides transceiver-plus, transceiver-minus and optional shield connections. Use automotive-grade twisted-pair cable and maintain the required characteristic impedance throughout the fixture.<\/p>\n<h3>Four-Endpoint Mode<\/h3>\n<p>In endpoint mode, each PXIe-8523 port acts as an independent Automotive Ethernet network interface. A port can communicate directly with an ECU, sensor, gateway, camera or another network endpoint.<\/p>\n<p>Each endpoint can be independently configured for 100 Mb\/s or 1 Gb\/s operation. This allows one module to communicate with devices using different Automotive Ethernet link speeds.<\/p>\n<h3>Two-TAP Monitoring Mode<\/h3>\n<p>In TAP mode, two ports form one inline monitoring pair. Traffic passes between the two connected devices while the PXIe-8523 captures and timestamps Ethernet frames.<\/p>\n<p>Using all four ports allows the module to create two separate TAPs. This is useful for observing ECU-to-ECU communication without changing the logical network structure.<\/p>\n<p>The TAP introduces finite latency, so timing-sensitive systems should account for approximately 2 \u00b5s at 100 Mb\/s or 5.55 \u00b5s at 1 Gb\/s.<\/p>\n<h3>Hardware Timestamping<\/h3>\n<p>Hardware timestamps record frame timing closer to the physical network interface than software-based timestamps. This improves repeatability when measuring packet latency, message periodicity, synchronization behavior or network jitter.<\/p>\n<p>Each port has a timestamp resource that can capture both local and network time. PXI trigger lines can also initiate timestamp capture.<\/p>\n<h3>IEEE 802.1AS Synchronization<\/h3>\n<p>The PXIe-8523 supports IEEE 802.1AS time synchronization for applications requiring a shared network-time reference. Each port has an independently disciplined 125 MHz network timebase.<\/p>\n<p>A port can follow an external grandmaster when operating as a time slave. If synchronized network time is unavailable, it can fall back to the module\u2019s local timebase.<\/p>\n<h3>AVB and Time-Sensitive Applications<\/h3>\n<p>Support for IEEE 802.1Qav, AVTP and IEEE 802.1AS makes the module suitable for audio, video and other time-sensitive Automotive Ethernet applications.<\/p>\n<p>The PXIe-8523 can capture AVB traffic, inspect packet timing and help verify how an ECU responds to time synchronization and traffic scheduling.<\/p>\n<h3>Raw Ethernet, TCP and UDP Communication<\/h3>\n<p>The module supports raw IEEE 802.3 Ethernet frames as well as TCP\/IP and UDP\/IP communication. Raw frame access is useful for protocol validation, custom Ethernet traffic and negative testing.<\/p>\n<p>TCP provides connection-oriented transport, while UDP can support lower-overhead real-time traffic. The correct protocol depends on the DUT and test requirements.<\/p>\n<h3>PXI Trigger Integration<\/h3>\n<p>PXI trigger lines 0 through 7 can coordinate Ethernet events with other instruments in the chassis. For example, an Ethernet frame can be correlated with analog measurements, CAN traffic or ECU power events.<\/p>\n<p>The module can export network-disciplined 1 MHz clocks, 1 PPS signals and time triggers onto supported PXI trigger lines.<\/p>\n<h3>Typical PXIe-8523 Applications<\/h3>\n<ul>\n<li>Automotive ECU validation<\/li>\n<li>100BASE-T1 and 1000BASE-T1 testing<\/li>\n<li>Automotive Ethernet traffic monitoring<\/li>\n<li>Network TAP applications<\/li>\n<li>Restbus simulation<\/li>\n<li>ADAS sensor and camera-network testing<\/li>\n<li>Automotive gateway validation<\/li>\n<li>AVB and time-sensitive network testing<\/li>\n<li>\u0421\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044f \u0441 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u043c \u0432\u0445\u043e\u0434\u043e\u043c<\/li>\n<li>Packet-latency measurement<\/li>\n<li>Production end-of-line testing<\/li>\n<li>Multi-bus vehicle-network correlation<\/li>\n<\/ul>\n<h3>NI-XNET Software Support<\/h3>\n<p>The PXIe-8523 is configured and controlled through NI-XNET. NI-XNET provides interfaces for Ethernet communication, hardware timestamps, network time, frame transfer and integration with other supported automotive networks.<\/p>\n<p>The module can be used from LabVIEW and incorporated into NI VeriStand hardware-in-the-loop systems. Confirm driver and operating-system compatibility before deployment, especially when using NI Linux Real-Time.<\/p>\n<h3>PXIe-8523 Troubleshooting<\/h3>\n<h4>An Automotive Ethernet link does not establish<\/h4>\n<p>Verify that both devices use the same 100BASE-T1 or 1000BASE-T1 speed. Check master\/slave configuration, cable polarity, cable impedance and connector wiring.<\/p>\n<h4>TAP traffic is not captured<\/h4>\n<p>Confirm that the two physical ports are assigned to the same TAP and that the monitoring application is reading the correct interface.<\/p>\n<h4>Packet timestamps do not match other instruments<\/h4>\n<p>Verify whether the application uses local time or IEEE 802.1AS network time. Confirm the grandmaster connection and PXI trigger routing.<\/p>\n<h4>The link works at 100 Mb\/s but not at 1 Gb\/s<\/h4>\n<p>Check that the DUT, transceiver and fixture all support 1000BASE-T1. Inspect cable length, twisting, connector quality and electromagnetic interference.<\/p>\n<h4>The module is detected but no operating-system Ethernet adapter appears<\/h4>\n<p>The PXIe-8523 is primarily an NI-XNET automotive interface. Verify the selected port mode, driver version and whether an OS-adapter mode is supported in the installed environment.<\/p>\n<h3>PXIe-8523 vs PXIe-8522<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PXIe-8523<\/th>\n<th><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8522\/\">PXIe-8522<\/a><\/th>\n<\/tr>\n<tr>\n<td>Number of Ports<\/td>\n<td>4<\/td>\n<td>Model-specific configuration<\/td>\n<\/tr>\n<tr>\n<td>Supported Link Speeds<\/td>\n<td>100 and 1000 Mb\/s<\/td>\n<td>Configuration dependent<\/td>\n<\/tr>\n<tr>\n<td>TAP Operation<\/td>\n<td>Up to two TAPs<\/td>\n<td>Check selected hardware configuration<\/td>\n<\/tr>\n<tr>\n<td>Best Suited For<\/td>\n<td>High-density endpoint and TAP testing<\/td>\n<td>Automotive Ethernet applications with different channel requirements<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Recommended Related Products<\/h3>\n<ul>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8522\/\">PXIe-8522 Automotive Ethernet Interface<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8520\/\">PXIe-8520 Automotive Ethernet Interface<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-8531\/\">PXI-8531 CANopen Interface<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-8532\/\">PXI-8532 DeviceNet Interface<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1488\/\">PXIe-1488 FPD-Link Interface<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1489\/\">PXIe-1489 Automotive Video Interface<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product-category\/%d0%bd%d0%b8\/pxi-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d1%81\/%d0%bc%d0%be%d0%b4%d1%83%d0%bb%d0%b8-pxi\/\">View More NI PXI Modules<\/a><\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the PXIe-8523?<\/h4>\n<p>The PXIe-8523 is a four-port 100BASE-T1 and 1000BASE-T1 Automotive Ethernet interface for endpoint communication, network monitoring and automated testing.<\/p>\n<h4>How many endpoints can it provide?<\/h4>\n<p>It can provide as many as four independent Automotive Ethernet endpoints.<\/p>\n<h4>How many network TAPs can it create?<\/h4>\n<p>Its four ports can be arranged as two bidirectional network TAPs.<\/p>\n<h4>Does it support hardware timestamping?<\/h4>\n<p>Yes. Each port provides hardware-timestamp resources associated with local and network time.<\/p>\n<h4>Does the PXIe-8523 support IEEE 802.1AS?<\/h4>\n<p>Yes. It supports IEEE 802.1AS network-time synchronization.<\/p>\n<h4>Which driver controls the module?<\/h4>\n<p>The PXIe-8523 is controlled through NI-XNET.<\/p>\n<h4>What is the PXIe-8523 part number?<\/h4>\n<p>The NI ordering part number is <strong>787311-01<\/strong>.<\/p>\n<h3>Request a Quote for the PXIe-8523<\/h3>\n<p>Contact us for current availability, lead time and project pricing for the <strong>PXIe-8523 4-Port Automotive Ethernet Interface<\/strong>. We can also help identify compatible spring connectors, 100\/1000BASE-T1 cables, PXI Express chassis and related automotive test modules.<\/p>","protected":false},"excerpt":{"rendered":"<p>Number of Ethernet Ports on Controller: &#8211;<\/p>","protected":false},"featured_media":31870,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[667],"product_tag":[],"class_list":["post-34713","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-modules","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NI PXIe-8523 PXI Automotive Ethernet Interface Module 787311-01, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"The PXIe-8523 is a four-port 100\/1000BASE-T1 Automotive 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