T1K–MODBUS
Specificaions
Installation and
Safety Guidelines
2–9
T1K–MODBUS Specifications
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
RJ12 Serial Port Pin Descriptions
1
0V
Power (–) connection (GND)
2
5V
Power (+) connection
3
RXD
Receive Data (RS232C)
4
TXD
Transmit Data (RS232C
5
RTS
Request to Send
6
CTS
Clear to Send
1
6
1
6
8 CTS
2 RXD
3 TXD
1 GND
3 RXD
4 TXD
7 RTS
5 GND
DIP Switch 8 in the OFF
Position to Disable CTS
Use D2–DSCBL
to connect PC to
RJ12 Serial Port
