Filter
Top Products
NE-4100 Series User’s Manual Panel Layout and Pin Assignments
2-13
NE-4120A Block Diagram
1 MB SDRAM
2 MB Flash
10/100 M
Ethernet PHY
+5 VDC
MAC
80186 CPU
Transformer
1.5 KV isolation
UART0
Tx Rx
Customer's device
Ready
LED
RS-422/485
interface
Tx+ Tx- Rx-Rx+
Serial console
interface
Line
Driver
Line
Driver
UART1
GPIO Port
PIO0 - PIO3
10M
LED
100M
LED
RS-422/485
Signal
Pin header