User's Manual

User’s Manual of VCG-1500WG-LTE
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2.1.5 Antenna Installation
After SIM card installation, please connect 4G antenna, GPS antenna and Wi-Fi antennas to connectors and ensure these
antennas are fixed properly. Without installing antennas, it will affect the performance or can not receive the signal.
2.1.6 RJ45-DB9F Instruction
This Gateway supports RS232 asynchronous communication serial interface and adopts RJ45. Serial interface is mainly used
to configure control or configured to be DTU function.
Com/line: RS232 asynchronous communication serial interface
Shown below are the signal definitions of the RJ45-DB9F serial communication interfaces:
RJ45
DB9F
1
8
2
6
3
2
4
1
5
5
6
3
7
4
8
7
The signal definitions of the DB9F serial communication interface shown below::
PIN
RS232 Signal
Name
Description
Direction related to
DTU
1
DCD
carrier wave
signal check
Output
2
RXD
receive data
Output
3
TXD
send data
Input
4
DTR
data
terminal ready
Input
5
GND
power reference
ground
6
DSR
data
device ready
Output
7
RTS
request to send
Input
8
CTS
data device gets
ready to receive
data
Output