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Figure 4-7, Mdio routing, Functional description – Artesyn COMX-P40x0 ENP2 Installation and Use (January 2015) User Manual

Page 83

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Functional Description

COMX-P40x0 ENP2 Installation and Use (6806800R95C)

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The second group is called EMI2 which complies with IEEE 802.3ae Clause 45 and is used for
management of SerDes connections configured for 10GE (XAUI). EMI2 has two pins:
EMI2_MDC and EMI2_MDIO

. External PHY access is performed through the 10GEC registers

of FM1. EMI2 is based on +1.2V signaling levels.

Figure 4-7

MDIO Routing