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14 ethernet (etsec) – Artesyn COMX-P2020 Installation and Use (February 2015) User Manual

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Functional Description

COMX-P2020 Module Installation and Use (6806800K97E)

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PCI Express 2 x1 (2.5 Gbps) > SerDes lane 1

PCI Express 3 x2 (2.5 Gbps) SerDes lanes 2-3

PCI Express 1 is connected to GPU Z11M. The other two are connected to the carrier board

4.14 Ethernet (eTSEC)

COMX-P2020 provides three enhanced three-speed Ethernet controllers (eTSECs) which
interface to 10 Mbps, 100 Mbps, and 1 Gbps Ethernet/IEEE 802.3 networks. The Ethernet
controllers are connected to 2 BCM5482.Each BCM5482 can provide two Ethernet transceivers
designed for 1000 Mbps, 100Mbps and 10 Mbps applications. All of the PHYs are configured
with: Auto-Negotiations Enable, Full-duplex modes by default.