Port 2; Port 3; Pin-Out Description Of The Serial Port Connectors - Teltonika T-BoxN12R User Manual

Note: A special RJ45-DB9F cable is required in order to connect the device to the PC. The cable
is supplied in the package.

4.3.2. PORT 2

Port 2 provides the second asynchronous channel with a simple handshaking
capability (only RTS and CTS). The baud rate for Port 2 can be set to 9600, 19200, 38400,
57600 or 115200 bit/s. Port 2 is the default port for using the M2M System Protocol.
However, if Port 1 is configured to use the M2M System Protocol, Port 2 cannot be used
for anything.
Note: A special RJ45-DB9F cable is required in order to connect the device to the PC. The cable is
supplied in the package.

4.3.3. PORT 3

Port 3 provides the third asynchronous channel with no hardware handshakes. The
baud rate for Port 3 can be set between 1200 and 115200 bit/s.
Port 3 can be used to control external device by Java application. Also it can be
software configured to use with GPS.
Note: A special RJ45-DB9F cable is required in order to connect the device to the PC. The cable is
supplied in the package.

4.3.4. Pin-out description of the serial port connectors

Table 5. PORT1 Pin-out description
RJ45 Pin Description
number
1
2
3
4
5
6
7
8
Direction
DSR Output
DCD Output
DTR Input
GND -
RXD Input
TXD Output
CTS Output
RTS Input
Table 6. PORT2/3 Pin-out description
RJ45 Pin Description
number
1 RXD (Port 3)
2 TXD (Port 3)
3 NC
4 GND
5 RXD
6 TXD
7 CTS
8 RTS
Direction
Input
Output
-
-
Input
Output
Output
Input
13