1000 Mb/s repeater set

OSI

reference

model

layers

LAN and CSMA layers

Higher layers

LLC - logical link control

Reconciliation

PMD

1000 Mb/s link segment

MDI

GMII

PCS

PMA

MAC control (optional)

MAC - media access control

Medium

PHY

PMD

MDI

GMII

PCS

PMA

PMD

MDI

GMII

PCS

PMA

Medium

1000 Mb/s link segment

1000 Mb/s Baseband repeater unit

1000 Mb/s Baseband repeater set

MDI - Media dependent interface

PMS - Pysical coding sublayer

PHY - Physical layer device

PMA - Physical medium attachment

PMD - Physical medium dependent

GMII - Gigabit media independent interface

LX-PMD = PMD for fiber - long wavelength

SX-PMD = PMD for fiber - short wavelength

CX-PMD = PMD for fiber - 150? balanced copper cabling

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