INTRODUCTION
As a leading manufacturer of smart function modules, NAI offers over 100 different modules that cover a wide range of I/O, measurement and simulation, communications, Ethernet switch, and SBC functions. Our EM1 Ethernet Network Interface Card (NIC) integrates the Intel® 82580 GbE Controller with supporting NAI magnetics and circuity to provide dedicated dual-port gigabit (10/10/1000Base-T) Ethernet network controller functions. This user manual is designed to help you get the most out of our EM1 smart function module.
EM1 Overview
NAI’s EM1 module offers a dedicated set of features designed to enhance a system’s Ethernet communication capabilities, including:
Integrated Intel® 82580 GbE Controller: The EM1 module seamlessly integrates the Intel® 82580 GbE Controller along with essential magnetics and circuitry. This integration empowers the module to deliver robust dual-port gigabit (10/100/1000Base-T) Ethernet network controller functions.
Optimized for NAI SBC Boards: NAI Single Board Computer (SBC) boards are typically designed with dual-port NICs, making them an ideal pairing for the EM1 module. Utilizing direct-connect PCIe interface, the EM1 offers effortless integration onto NAI SBCs, enabling streamline SBC/processor configuration. This integration provides access to additional Ethernet communication port functions, enhancing connectivity options.
Flexible Integration: The EM1 module is designed for easy integration and configuration, making it a valuable addition to NAI SBCs or multifunction I/O boards that support external module PCIe communication interface ports. Its flexibility allows you to tailor your system to meet specific requirements.
Direct Control via PCIe Interface: Managing the EM1 module is straightforward, with direct SBC/processor control facilitated through the PCIe interface. The module seamlessly interfaces with standard/default OS operations and drivers, ensuring efficient and reliable performance in Ethernet communication tasks.
APPENDIX: PINOUT DETAILS
Pin-out details (for reference) are shown below, with respect to DATAIO. Additional information on pin-outs can be found in the Motherboard Operational Manuals
| Module Signal (Ref Only) | 44-Pin I/O | 50-Pin I/O (Mod Slot 1-J3) | 50-Pin I/O (Mod Slot 2-J4) | 50-Pin I/O (Mod Slot 3-J3) | 50-Pin I/O (Mod Slot 3-J4) | Ethernet NIC (EM1) |
| DATIO1 | 2 | 10 | 1 | 2 | EM1-ETH2-TP0+ | |
| DATIO2 | 24 | 35 | 26 | 27 | EM1-ETH2-TP0- | |
| DATIO3 | 3 | 11 | 2 | 3 | EM1-ETH2-TP1+ | |
| DATIO4 | 25 | 36 | 27 | 28 | EM1-ETH2-TP1- | |
| DATIO5 | 5 | 13 | 4 | 5 | EM1-ETH2-TP2+ | |
| DATIO6 | 27 | 38 | 29 | 30 | EM1-ETH2-TP2- | |
| DATIO7 | 7 | 14 | 5 | 6 | EM1-ETH2-TP3+ | |
| DATIO8 | 29 | 39 | 30 | 31 | EM1-ETH2-TP3- | |
| DATIO9 | 8 | 15 | 6 | 7 | EM1-ETH1-TP0+ | |
| DATIO10 | 30 | 40 | 31 | 32 | EM1-ETH1-TP0- | |
| DATIO11 | 10 | 17 | 8 | 9 | EM1-ETH1-TP1+ | |
| DATIO12 | 32 | 42 | 33 | 34 | EM1-ETH1-TP1- | |
| DATIO13 | 12 | 18 | 9 | 17 | EM1-ETH1-TP2+ | |
| DATIO14 | 34 | 43 | 34 | 42 | EM1-ETH1-TP2- | |
| DATIO15 | 13 | 19 | 10 | 18 | EM1-ETH1-TP3+ | |
| DATIO16 | 35 | 44 | 35 | 43 | EM1-ETH1-TP3- | |
| DATIO17 | 15 | 21 | 12 | 20 | Shield | |
| DATIO18 | 37 | 46 | 37 | 45 | ||
| DATIO19 | 17 | 22 | 13 | 21 | ||
| DATIO20 | 39 | 47 | 38 | 46 | ||
| DATIO21 | 18 | 23 | 14 | 22 | ||
| DATIO22 | 40 | 48 | 39 | 47 | ||
| DATIO23 | 20 | 25 | 16 | 24 | ||
| DATIO24 | 42 | 50 | 41 | 49 | ||
| DATIO25 | 4 | 12 | 3 | 4 | ||
| DATIO26 | 26 | 37 | 28 | 29 | ||
| DATIO27 | 9 | 16 | 7 | 8 | ||
| DATIO28 | 31 | 41 | 32 | 33 | ||
| DATIO29 | 14 | 20 | 11 | 19 | ||
| DATIO30 | 36 | 45 | 36 | 44 | ||
| DATIO31 | 19 | 24 | 15 | 23 | ||
| DATIO32 | 41 | 49 | 40 | 48 | ||
| DATIO33 | 6 | |||||
| DATIO34 | 28 | |||||
| DATIO35 | 11 | |||||
| DATIO36 | 33 | |||||
| DATIO37 | 16 | |||||
| DATIO38 | 38 | |||||
| DATIO39 | 21 | |||||
| DATIO40 | 43 | |||||
| N/A |
REVISION HISTORY
| Module Manual - EM1 Revision History | ||
| Revision | Revision Date | Description |
| C | 2024-02-14 | ECO C11235, initial release of EM1 module manual |
NAI Cares
North Atlantic Industries (NAI) is a leading independent supplier of Embedded I/O Boards, Single Board Computers, Rugged Power Supplies, Embedded Systems and Motion Simulation and Measurement Instruments for the Military, Aerospace and Industrial Industries. We accelerate our clients’ time-to-mission with a unique approach based on a Configurable Open Systems Architecture™ (COSA®) that delivers the best of both worlds: custom solutions from standard COTS components.
We have built a reputation by listening to our customers, understanding their needs, and designing, testing and delivering board and system-level products for their most demanding air, land and sea requirements. If you have any applications or questions regarding the use of our products, please contact us for an expedient solution.
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