Functional elements of Gigabit Ethernet technology

Enhanced version of Fiber channel (ANSI X3T11) FC0 physical and signaling interface (ANSI X3.230-1994). Includes 8b/10b coding and signaling rate increased to 1.250 GBd to achieve a 1 Gb/s data rate.

Media Access Control (MAC)

Full duplex and/or half duplex

Physical coding sublayer PCS uses 8b/10b encoding/decoding

1000BASE-LX

? = 1270 - 1355 nm

SMF optic transceiver

9 µm SMF 2 m to 3 km

Connector is duplex SC

1000BASE-SX

? = 770 - 860 nm

MMF optic transceiver

62.5 µm MMF 2 m to 300 m

50.0 µm MMF 2 m to  m

Connector is duplex SC

Half-duplex repeater supporting

200m network diameter

PHY

Full-duplex links supporting

2 m to 3 km link distances

MAC

1000BASE-CX

22 AWG copper shielded twisted

pair transceiver with projected

operating length 0 m to 25 m

9 pin D-subminature connector

Gigabit media independent

interface GMII (optional)

Previous slide

Next slide

Back to first slide

View graphic version