Rj12 Serial Port Pin-Out And Wiring - Automation Direct T1K-MODBUS-M User Manual

RJ12 Serial Port Pin–out and Wiring
The Base Controller's MODBUS port can be configured using the T1K–MODBUS
Setup Tool via the RJ12 serial port. The "Using the T1K–MODBUS Setup Tool"
chapter later in this manual discusses using the Setup Tool. The RJ12 port is also
used to upgrade the firmware in the base controller.
6-pin Female
Modular Connector
Use D2–DSCBL
to connect PC to
RJ12 Serial Port
3 TXD
2 RXD
5 GND
7 RTS
8 CTS
RJ12 Serial Port Pin Descriptions
6
1 0V
2 5V
3 RXD
1
4 TXD
5 RTS
6 CTS
DIP Switch 8 in the OFF
Position to Disable CTS
T1K–MODBUS Specifications
Power (–) connection (GND)
Power (+) connection
Receive Data (RS232C)
Transmit Data (RS232C
Request to Send
Clear to Send
4 TXD
3 RXD
1 GND
2–9
6
1