NI PXIe-8240模块用户手册.pdf

USER MANUAL PXIe-8240 Dual-Port 40 Gigabit Ethernet Peripheral Module This document provides reference information for PXI Express and the PXIe-8240 module. Contents Electromagnetic Compatibility Guidelines1 Related Documentation2 PXI Express Features 2 Benefits of PXI Express2 PXIe-8240 Overview 3 Functional Overview3 Functional Description3 National Instruments Software4 Specifications 5 Features 5 Front Panel Dimensions 5 Electrical 6 Physical 6 Environmental7 Shock and Vibration7 Safety 8 QSFP+ Connectors Pinout 9 Worldwide Support and Services 12 Electromagnetic Compatibility Guidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility (EMC) stated in the product specifications. These requirements and limits provide reasonable protection against harmful interference when the product is operated in the intended operational electromagnetic environment. This product is intended for use in industrial locations. However, harmful interference may occur in some installations, when the product is connected to a peripheral device or test object, or if the product is used in residential or commercial areas. To minimize interference with radio and television reception and prevent unacceptable performance degradation, install and use this product in strict accordance with the instructions in the product documentation. Furthermore, any modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules. Caution This icon denotes a caution, which advises you of precautions to take to avoid injury, data loss, or a system crash. Caution The protection the PXIe-8240 provides can be impaired if it is used in a manner not described in the user documentation. Ca