User's Manual Network Device NE-4100
NE-4100 Series User’s Manual Panel Layout and Pin Assignments
2-4
Block Diagram
Tx Rx
+5 VDC
1 MB SDRAM 2 MB Flash
80186 CPU
GPIO Port
PIO0 - PIO3
MAC
Line
Driver
Serial Console
interface
RJ45
10M
LED
100M
LED
10/100M
Ethernet PHY
Transformer
1.5 KV Isolation
UART0
UART1
Customer's Device
UART
Ready
LED
TTL Serial data
(Tx, Rx, RTS, CTS,
DTR, DSR, DCD)
NE-4100-ST LED Indicators
LED Name LED Color LED Function
Power
red Indicates the power is on.
Steady on:
Power is on and NE-4100T is
functioning normally.
green
Blinking:
NE-4100T has been located by
Network Enabler’s
Administrator’s Location
function.
Ready
steady off
1. Power is off, or power error condition
exists.
2. NE-4100T can not get any IP address
DHCP mode.
3. IP address conflict.
DIO0
red Indicates that DIO is in “low” (0) status.
DIO1
red Indicates that DIO is in “low” (0) status.
DIO2
red Indicates that DIO is in “low” (0) status.
DIO3
red Indicates that DIO is in “low” (0) status.
TXD0
red Indicates that TXD0 has a signal.
RXD0
red Indicates that RXD0 has a signal.
DTR0
red Indicates that DTR0 has a signal.
CTS0
red Indicates that CTS0 has a signal.
DSR0
red Indicates that DSR0 has a signal.
DCD0
red Indicates that DCD0 has a signal.
RTS0
red Indicates that RTS0 has a signal.
TXD1
red Indicates that TXD1 has a signal.
RXD1
red Indicates that RXD1 has a signal.