Habey EMB-4500 - Manual (Page 16)

2.4.4 Ethernet (LAN)
Board provides one PHY chip. Model No. AR8033. The yellow LED indicates data transfer
status; the green LED indicates the network link status.
RJ45 LAN LED Status:
LILED(GREEN) Function ACTLED(YELLOW) Function
On 100/1000M Flash Data transfer
Off 10M Off No data
2.4.5 KEY (3x3)
Board provides one 2×4Pin 3x3 keypad matrix, which is used to extend external keypad.
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