User's Manual

sWiFi/all User Manual 3. Hardware Configuration
7
3.2 Serial Port (DE-9 FEMALE)
RS-232
TXD
RXD
CTS
RTS
DSR
5 4
3
2
1
9
8 7 6
DTR
GND
3.3 LED Operating Status
LED Name
State
Operation
1
RDY
Flash
Flashes green when the boot is completed after the power supply
2
SRL
Flash
Flashes green when serial data is sent or received
3
LINK
Light
When the wireless connection is completed, it lights
3.4 Power Connector
Power connector is a DC adapter which connects DC 5V adapter power cable.
Power
5V 1A DC Input, Power Consumption: 0.95w
Power Connector
Outer Diameter Φ 3.5mm, Internal Diameter Φ1.35mm
Operating Temperature
-40 ~ 85℃
Pin No.
Signal
Description
2
RXD
Receive Data (Input)
3
TXD
Transmit Data (Output)
4
DTR
Data Terminal Ready (Output)
5
GND
Ground
6
DSR
Data Set Ready (input)
7
RTS
Request to Send (Output)
8
CTS
Clear to Send (Input)