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Ursalink UG87 Quick Start Guide
www.ursalink.com
4
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
STATUS
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.
VPN
VPN Status
Green Light
VPN is connected
Off
VPN is disconnected
SIM1/SIM2 SIM Card 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
Signal
Strength
Signal 1/2/3
Off
No signal
Green Light
Static/Off/Off: weak signals with 1-10 ASU
(please check if the antenna is installed
correctly, or move the antenna to a suitable
location to get better signal)
PIN
RS232
DI
DO
Description
1
TXD
---
---
Transmit Data
2
RXD
---
---
Receive Data
3
---
---
---
---
4
---
---
---
---
5
GND
GND
---
Ground
6
---
IN1
---
Digital Input1
7
---
IN2
---
Digital Input2
8
---
---
OUT1
Digital Output1
9
---
---
OUT2
Digital Output2
10
---
---
COM
Common Ground
PIN
Description
11
Positive
12
Negative
Summary of Contents for UG87-In
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