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EM1

2-Port 10/100/1000 Base-T Ethernet NIC, Intel® 82580DB, PCIe I/F to processor

The EM1 module integrates the Intel® 82580 GbE Controller with supporting magnetics and circuitry to provide dual-port gigabit (10/100/1000Base-T) Ethernet network controller functions. NAI Single Board Computer (SBC) boards are typically designed with dual-port NICs. The EM1, with direct-connect PCIe interface, allows for seamless SBC/processor configuration providing access to additional Ethernet communication port functions. 

The EM1 is typically integrated/configured directly on NAI SBCs or multifunction I/O boards that support external module PCIe communications interface ports. Direct SBC/processor control of the EM1 is provided through the PCIe interface via the standard/default OS operation/drivers.

Specifications
  • Number of Channels: Dual-Port Gigabit Ethernet NIC (see following details)
  • Compatibility: PCIe x1 v2.0 (communications interface), 10/100/1000 Base-T
  • Physical Interface (PHY): MDI (Copper) standard IEEE 802.3 Ethernet interface
  • Throughput: Full PCI Express (PCIe) v2.0 (@ 5.0 Gbps)
  • Maximum Data Rate: 1000 bps
  • Standards Compliance: IEEE 802.3ab (1000 Base-T Gig-E), IEEE 802.3u (100 Base-TX Fast Ethernet), IEEE 802.3i (10 Base-T Ethernet), IEEE 802.3x (Flow control/full and half duplex)
  • Power: 5 VDC @ 850 mA (typ.)
  • Ground: Signals are transformer isolated
  • Weight: 1.5 oz. (42 g)
Block Diagram

(Click diagram to enlarge)

Documentation
6/9/2022 12:11:15 PM
Accelerate Your Time-to-Mission™ With COSA®

NAI’s Configurable Open Systems Architecture™ (COSA®) offers a choice of over 70 smart I/O, communication, and Ethernet switch functions, providing the highest packaging density and greatest flexibility of any multifunction I/O board in the industry. Preexisting, fully-tested functions can be combined quickly and easily in an unlimited number of ways. Each I/O function has dedicated processing, unburdening the system Single Board Computer (SBC) from unnecessary data management overhead.

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