1
1
8
8
ETHERNET INTERFACE
Female RJ45 connector
J20
1 TPOUT+
2 TPOUT-
3 TPIN+
4 GND
5 GND
6 TPIN-
7 n.c
8 n.c
9 +3.3 V
10 LED-LAN
11 +3.3 V
12 LED-LNK
13 SH1
14 SH2
15 FIX
NOTES:
The functionality of two LED are speciied in the following tables:
- For 10Base-T connection:
LED
FUNCTION
LED-LNK
Link (yellow color): the LED lights up when a connection is active
LED-LAN
Rx/Tx: (green color): the LED lights up when occurs a data reception or transmission
- For 10/100Base-TX connection:
LED
FUNCTION
LED-LNK
The LED light (yellow color) on when a connection is active and lashes wnen occurs a data
reception or transmission
LED-LAN
The LED light (green color) on when occurs a 100 Mbit connection and off when occurs a 10
Mbit connection
The device automatically recognizes the type of connection (cross or pin-to-pin).
The pinout shown in table represents the input signals to component J20 before the isolation voltage transformer
(through-hole pin).
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