
Industrial Cellular VPN Router NR500 Series User Manual
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2.3
Ethernet Port Indicator
Name
Status
Description
Link indicator
On
Connection is established
Blinking
Data is being transmitted
Off
Connection is not established
NOTE
:
There are two LED indicators for each Ethernet port. Due to the chipset design NR500 router
would only light up the green one(Link indicator) on left side, the right LED is Off without meaning.
2.4
PIN Definition of Terminal block
•
Serial Port & DIDO
PIN
RS232
RS485
DI
DO
Direction
1
--
--
--
DO1
Router-->Device
2
--
--
--
DO2
Router-->Device
3
--
--
--
COM
--
4
--
A
--
--
Router<-->Device
5
--
B
--
--
Router<-->Device
6
--
--
DI1
--
Router<--Device
7
--
--
DI2
--
Router<--Device
8
GND
--
--
--
--
9
TX
--
--
--
Router-->Device
10
RX
--
--
--
Router<--Device