74740-0001 Datasheet, PDF (4/11 Pages) Molex Electronics Ltd. – 1000Base-T RJ-45 Gigabit Ethernet GBIC Copper Transceiver

GBIC OPERATIONAL FLOWCHARTS (74740-0001)
Auto-Negotiation
Routine Start
LOS GND
Disable SERDES Interface
No
Wait for Copper
Auto-Neg to Complete
Yes
Get Copper Auto-Neg Information
Advertise to SERDES
Enable SERDES Interface
No
Wait for SERDES
Auto-Neg to Complete
Yes
Get SERDES Auto-Neg Information
Advertise to Copper
Restart Auto-Neg
No
Wait for
Auto-Neg to Complete
Yes
Return
1000Base-T RJ-45 Gigabit
Ethernet GBIC Copper
Transceiver
Link Dropout
Main
Yes
Good Copper Link
No
Drop SERDES Link
Restart
Auto-Negotiation