7
D. Right Side Panel
2.2 Dimensions (mm)
2.3 Serial & IO & Power Pinouts
Note: For -RS485 model, RXD--->A, TXD--->B.
PIN
RS232
RS485
DI
DO
Description
1
---
---
IN
---
Digital Input
2
GND
---
GND
---
Ground
3
---
B
---
---
Data -
4
TXD
---
---
---
Transmit Data
5
---
---
---
COM
Common Ground
6
---
---
---
OUT
Digital Output
7
---
A
---
---
Data +
8
RXD
---
---
---
Receive Data
PIN
Description
Wire Color
9
Positive
Red
10
Negative
Black
10
SIM and Reset Button Holder
