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Ursalink UG85 Quick Start Guide
www.ursalink.com
5
2.3 Pinouts
2.4 LED Indicators
LED
Indication
Status
Description
POWER
Power Status
On
The power is switched on
Off
The power is switched off
SYSTEM
System Status
Green Light
Static: Start-up
Blinking slowly: the system is running
properly
Red Light
The system goes wrong
LoRa
LoRa Status
Green Light
Packet Forwarder mode is running well.
Off
Packet Forwarder mode is running off.
WIFI
WIFI Status
Green Light
WIFI is connected
Off
WIFI is disconnected
LTE
Cellular Status
Off
SIM1 or SIM2 is registering or fails to register
(or there are no SIM cards inserted)
Green Light
Blinking slowly: SIM1 or SIM2 has been
registered and is ready for dial-up
Blinking rapidly: SIM1 or SIM2 has been
registered and is dialing up now
Static: SIM1 or SIM2 has been registered and
dialed up successfully
LAN
Ethernet
Port Status
Off
Disconnected
Green Light
Blinking: Transmitting data
Static: Connected
PIN
RS232
DI
DO
Description
1
---
---
OUT
Digital Output
2
---
IN
---
Digital Input
3
GND
---
---
Ground
4
---
COM
COM
Common Ground
5
RXD
---
---
Receive Data
6
TXD
---
---
Transmit Data
PIN
Description
11
Positive
12
Negative