sWiFi/all
User Manual
11
device is out of order.
2
TXD
Blink
Blinking Green LED indicates transmitting serial data
3
RXD
Blink
Blinking Red LED indicates receiving serial data
Serial Port Pin Specifications
RS-232
TXD
RXD
DTR
GND
DSR
RTS
CTS
1
2
3
4
5
6
7
8
9
DCD
RI
TXD+ / TRxD +
GND
RXD -
1
2
3
4
5
6
7
8
9
RS-422/485
TXD- / TRxD -
RXD +
Pin No.
RS-232
RS-422
RS-485
1
DCD
TXD-
TRXD-
2
RXD
TXD+
TRXD+
3
TXD
RXD+
-
4
DTR
-
-
5
GND
GND
GND
6
DSR
-
-
7
RTS
RXD-
-
8
CTS
-
-
9
RI
-
-
Reset Tact Switch
Reset
Switch
Function
Action
Result
Warm Booting
Press for shorter than 3 seconds
Restart sLAN/all
Factory Default
Press for longer than 3 seconds
Re-initialize to the out-of-the-box status
