S2W232E-ESP32 Quick reference v. 1.0
www.usconverters.com
3
U
Default
COM port settings
Baud rate: 9600 bps
Data bit: 8
Parity: none
Stop bit: 1
Flow control: none
U
Default
network settings
Adhoc mode (Simple AP), DHCP disabled
SSID: S2W232-abcd (abcd is the last 4 numbers of the MAC address)
TCP Server mode
IP: 192.168.0.3
Socket port: 5000
Log in ID: admin
Log in password: admin
U
Power
U
The adapter can be powered through the mini USB port, through the screw terminals or through pin 9 in the
DB9 connector. 5VDC to 40VDC for all power sources. ONLY ONE POWER SOURCE should be
connected at any time, otherwise the adapter may get damaged.
Management
The adapter’s parameters can be configured using a standard web-browser. Please refer to the setup guide for
details.
U
Virtual
COM port software
A virtual COM port can be created using the free downloadable software utility called USC-VCOM from
www.usconverters.com
.
Alternative compatible COM port software are:
•
Eltima
•
Eterlogic
Please refer to the setup guide for details.
LED indication lights
Red LED: indicates that power is connected and should always be solid ON when power is connected.
Blue LED: indicates network status, network mode and firmware update state.
Adapter state
Network mode
Blue LED status
WiFi state
Ready
AP
Flashing 1 time pr 1.5 sec
Disconnected
Ready
AP
Solid ON
Connected
Ready
STA
Solid ON
Connected
Receiving/sending data
AP/STA
Flashing 3 times pr 1.5 sec
Connected
Firmware update mode
AP
Flashing 3 times pr 1.5 sec
Connected
Firmware update successful
AP
Flashing 1 time pr 1.5 sec
Connected
Firmware update failed
AP
Off
Connected