UG87-LW User Guide
16
2.5 Reset Button
Function
Description
STATUS LED
Action
Reboot
Blinking
Press and hold the reset button for about 5-15 seconds.
Static Green
Release the button and wait for system to reboot.
Reset
Blinking
Press and hold the reset button for more than 15 seconds.
Static Green →
Rapidly Blinking
Release the button and wait.
Off → Blinking
The gateway is now reset to factory defaults.
2.6 PIN Definition
PIN
RS232
DI
DO
Description
1
TXD
---
---
Transmit Data
2
RXD
---
---
Receive Data
3
---
---
---
Data +
4
---
---
---
Data -
5
GND
GND
---
Ground
6
---
IN1
---
Digital Input1
7
---
IN2
---
Digital Input2
8
---
---
OUT1
Digital Output1
9
---
---
OUT2
Digital Output2
10
---
---
COM
Common Ground
2.7 SIM Card Installation
A.
Push the yellow button on left panel of the gateway, and then you will see the SIM card
slot popping out directly.
PIN
Description
11
Positive
12
Negative
