3 pin assignment, 4 ethernet ports – Robustel R3000 Quick Guide User Manual
Page 2
Robustel GoRugged R3000 Quick Guide
RT_QG_R3000_v.1.0.0
25.01.2014
2/8
1.3 PIN assignment
PIN Debug RS232
Power
Digital I/O RS485
1
RXD
2
TXD
3
GND
GND
4
TXD
5
RXD
6
RTS
7
CTS
8
Positive
9
Negative
10
GND
11
Input 1
12
Input 2
13
Output 1
14
Output 2
15
GND
16
Data+(A)
17
Data- (B)
1.4 Ethernet ports
Each Ethernet port has two LED indicators (please check the following picture). The green
one is Speed indicator and the yellow one is Link indicator. There are three status of each
indicator. Please refer to the form below.
Indicator
Status
Description
Link
Indicator
Off
10 Mbps mode.
On
100 Mbps mode.
Link
Indicator
Off
Connection is down.
On
Connection is up.
Blink
Data is being transmitted
Note: The power supply range is 9 to 60VDC.