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USR-TCP232-T2
USR IOT USR-TCP232-T2 User Manual
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USR-TCP232-T2
u
ser
manual
w
ww
.usriot.com
Jinan
USR
IOT
T
echnology
Limited
www.
usriot.com
1
1
Diagram
3
.1.1-2
3.3V
to
5
V
voltage
conversion
circuit
Diagram
3
.1.1-3
Reserved
P
in
1
485-en
Reserve
pin
RS485
enable
pin
2
Link
Reserve
pin
Used
as
indication
pin
for
TCP
connection
status.
Ref
er
to
4.4.2
Link
F
unction
3
ISP
Reserve
pin
Hasn’t
us
e
Form
3
.1.1-2
T2
Reserved
Pin
Definit
ion
10
12
Table of Contents
Default Chapter
1
USR-TCP232-T2 User Manual
1
Table of Contents
2
1 Quick Start
4
Hardware Testing Environment
4
Connection
4
Default Parameter
6
Data Transport Test
7
2 Overview
8
Brief Introduction
8
Features
8
Basic Parameters
9
3 Hardware Parameter
10
Pin Define
10
Pin Definition
10
Dimension
12
Evaluation Kit
12
Hardware Reference Design
14
Typical Application Connection
14
Power Interface
14
UART Interface
15
4 Module Function
15
Network Basic Function
16
IP Address/ Subnet Masks/Gateway
16
Web Server
17
Firmware Upgrade in Webpage
18
Socket Function
18
TCP Client
19
TCP Server
21
UDP Client
22
UDP Server
23
Httpd Client
24
TCP and UDP Mechanism
26
DHCP and DNS Function
26
Vcom
28
Module Work as Client
28
Module Work as Server
29
Create VCOM
30
Serial Port Function
31
Basic Parameters
31
Serial Port Framing
32
Rfc2217
32
Special Function
33
Heartbeat Package
33
Registration Package
33
USR-Cloud
34
Customize Webpage
36
Link
37
Reset
37
Index
37
The Number of the Connected Client
37
State
38
Short Connection
38
Clear Buffer Data
39
Restore out Time
39
5 Parameter Setting
40
Network Protocol Setting Parameter
40
Setting Software Setting Parameter
40
Protocol Configuring to Setting Parameters
46
Webpage Setting Parameters
46
Serial Port
49
AT Comment
52
AT Command Overview
52
AT Command Error Code
53
AT Command
53
AT Command
54
6 Contact Us
67
7 Disclaimer
67
5
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USR IOT USR-TCP232-T2 Specifications
General
Brand
USR IOT
Model
USR-TCP232-T2
Category
Control Unit
Language
English