J3201 Ethernet Header Pinout And Signal Description - Novatel OEM6 Series User Manual

Figure 78: J3201 Ethernet Header Pinout and Signal Description
Pin Signal Name
1 ETH_TX+
2 ETH_TX-
3 ETH_BIAS
4
a
GND
5 ETH_RX+
6 ETH_RX-
7
a
GND
8 ETH_LED_ACT
9 ETH_LED_SPD
10 ETH_LED_LNK
a. Connect to the chassis ground through a bead or capacitor for best performance.
 This connector mates with Samtec TW-05-03-G-D-240-090 (or similar). The
standard mating height for the OEM638 card is 14 mm.
156
Signal Signal
Direction Polarity
Type
Analog IO
Analog IO
PWR Output
GND -
Analog IO
Analog IO
GND -
3.3V Open Sink
Drain
3.3V Open Sink
Drain
3.3V Open Sink
Drain
Drive
Strength
(mA)
- Ethernet Transmit
(100 Ω differential pair)
- Ethernet Transmit
(100 Ω differential pair)
- DC Bias source for the Ethernet
magnetics
-
- Ethernet Receive
(100 Ω differential pair)
- Ethernet Receive
(100 Ω differential pair)
-
Active 8 Ethernet "Activity" LED indicator.
Low Connect to LED supplied from 3.3 V.
Do not use the ETH_BIAS to supply
the LED.
Active 8 Ethernet "Speed" LED indicator.
Low Connect to LED supplied from 3.3 V.
Do not use the ETH_BIAS to supply
the LED.
Active 8 Ethernet "Link" LED indicator. Connect
Low to LED supplied from 3.3 V. Do not use
the ETH_BIAS to supply the LED.
OEM6 Family Installation and Operation User Manual Rev 7
Description