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Table 2.1: UNO-1110 I/O Overview
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2.2
LED Indicators
LEDs to display the power, SD, Ethernet, Serial, Programmable LED and Digital I/O
status are located on the front panel of UNO-1110, and each of them has its own spe-
cific meaning, as shown in the table below.
Table 2.2: UNO-1110 LED Indicator Definitions
LED
PWR
SD
Tx1 ~ Tx4
Rx1 ~ Rx4
PL1 ~ PL4
DI0 ~ DI3
DO0 ~ DO1
LAN Link
LAN Speed
Description
LED Indicators
VGA
Ethernet Ports
Serial Ports
USB Ports
Reset Button
Simulation DI
Power Inputs
Chassis Grounding
Digital I/O
RS-485
SD Slots
COM Port Setting DIP Switch
Debug Port
Color
Status
Description
On
System power is on
Red
Off
System power is off
Green
Flash
Data is transmitting/receiving
Yellow
Flash
Serial port COM1 - COM4 is transmitting data
Green
Flash
Serial port COM1 - COM4 is receiving data
On
User Programmable LED on
Green
Off
User Programmable LED off
On
Input High
Green/
Yellow
Off
Input Low
On
Set False
Green/
Yellow
Off
Set True
On
Connected to network
Green
Off
Not connected to network
Flash
Data is transmitting / receiving
On
Link to 100 Mbps network
Yellow
Off
Link to 10 Mbps network
7
UNO-1110 User Manual
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