Sample Electrical Connection - Teltonika TBox20 User Manual

ROUT 3 NO Relay 3 normally open output.
ROUT 3 CO Relay 3 common output.
ROUT 3 NC Relay 3 normally closed output.
ROUT 4 NO Relay 4 normally open output.
ROUT 4 CO Relay 4 common output.
ROUT 4 NC Relay 4 normally closed output.
4.3. SERIAL PORT (RS232 INTERFACE)
Serial port is used for communication with internal WEB server. Internal WEB server allows to edit
configured data.
Serial port parameters:
• Interface format RS232C
• Logic levels (RS232C levels)
• Speed: 115200 bauds
• Format: 8 bits
• Parity: none
• Stop bits: 1
• Flow control: hardware
The communication connector is an eight way RJ45 PLUG style connector.
RJ45 Pin number Description
1 DSR
2 DCD
3 DTR
GND
4
RXD
5
TXD
6
CTS
7
RTS
8
Table 4.3.1. RS232 Connector pin-out

4.4. SAMPLE ELECTRICAL CONNECTION

Table 4.2.1. Connector pin-out
Direction
Output
Output
Input
-
Input
Output
Output
Input
TBox20 user's manual
Max load ~250V, 7A.
Max load ~250V, 7A.
Picture 4.3.1. RJ45 connector
7