Rev 2.0
Page 33 of 164
Generic Qseven Carrier Board Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Table 5: Gigabit Ethernet Connector Pin Out
Pin No
Pin Name
Signal Type
Voltage Level/
Termination
Description
1
GND
Power
0V
Ground
2
TRD1+
Input/Output
Differential
Gigabit Ethernet MDI differential
pair 0 positive.
Connected to 12
th
Pin of Qseven
MXM Connector.
3
TRD1-
Input/Output
Differential
Gigabit Ethernet MDI differential
pair 0 negative.
Connected to 10
th
Pin of Qseven
MXM Connector.
4
TRD2+
Input/Output
Differential
Gigabit Ethernet MDI differential
pair 1 positive.
Connected to 11
th
Pin of Qseven
MXM Connector.
5
TRD2-
Input/Output
Differential
Gigabit Ethernet MDI differential
pair 1 negative.
Connected to 9
th
Pin of Qseven
MXM Connector.
6
CTREF
Power In
3.3V
Reference voltages for Gigabit
Ethernet magnetics centre tap
input.
Connected to 15
th
Pin of Qseven
MXM Connector.
7
TRD3+
Input/Output
Differential
Gigabit Ethernet MDI differential
pair 2 positive.
Connected to 6
th
Pin of Qseven
MXM Connector.
8
TRD3-
Input/Output
Differential
Gigabit Ethernet MDI differential
pair 2 negative.
Connected to 4
th
Pin of Qseven
MXM Connector.