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TCB1000 Series User Guide Rev A
Read Command
Description
DSR1?
Displays the Connect/Disconnect DSR signal of Serial Port 1 (RS-232 Port 1) to DTR.
DSR2?
Displays the Connect/Disconnect DSR signal of Serial Port 2 (RS-232 Port 2) to DTR.
DSR3?
Displays the Connect/Disconnect DSR signal of Serial Port 3 (RS-232 Port 3) to DTR.
DSR4?
Displays the Connect/Disconnect DSR signal of Serial Port 4 (RS-232 Port 4) to DTR.
DSR5?
Displays the Connect/Disconnect DSR signal of Serial Port 5 (RS-485 Port) to DTR.
Write Command
Value
Default
Description
DSR1=
C or D
D
Connect/Disconnect the DSR signal of Serial Port 1 (RS-232 Port 1) to DTR.
DSR2=
C or D
D
Connect/Disconnect the DSR signal of Serial Port 2 (RS-232 Port 2) to DTR.
DSR3=
C or D
D
Connect/Disconnect the DSR signal of Serial Port 3 (RS-232 Port 3) to DTR.
DSR4=
C or D
D
Connect/Disconnect the DSR signal of Serial Port 4 (RS-232 Port 4) to DTR.
DSR5=
C or D
D
Connect/Disconnect the DSR signal of Serial Port 5 (RS-485 Port) to DTR.
3 Configuration
DSR
These commands allow you to configure the DSR signal to the DTR for the four RS-232 ports and the
RS-485 port.
SERIAL PORT ENABLE/DISABLE
These commands allow you to enable or disable the four RS-232 ports and the RS-485 port. You can also
assign Serial Port 8 to be connected to the CPU or GPIO pins on the Universal Socket 2. Note that disabling
the ports will also affect the power of the LEDs.
Read Command
Description
RS1?
Displays the Enable/Disable status of Serial Port 1 (RS-232 Port 1).
RS2?
Displays the Enable/Disable status of Serial Port 2 (RS-232 Port 2).
RS3?
Displays the Enable/Disable status of Serial Port 3 (RS-232 Port 3).
RS4?
Displays the Enable/Disable status of Serial Port 4 (RS-232 Port 4).
RS5?
Displays the Enable/Disable status of Serial Port 5 (RS-485 Port).
RS8?
Displays whether the CPU or Socket 2 is connected to Serial Port 8 (UART 2 Port 4).
RSZ?
Displays the Terminated/Open status of Serial Port 5 (RS-485 port).
Write Command
Value
Default
Description
RS1=
E or D
E
Enable or disable Serial Port 1 (RS-232 Port 1).
RS2=
E or D
E
Enable or disable Serial Port 2 (RS-232 Port 2).
RS3=
E or D
E
Enable or disable Serial Port 3 (RS-232 Port 3).
RS4=
E or D
E
Enable or disable Serial Port 4 (RS-232 Port 4).
RS5=
E or D
E
Enable or disable Serial Port 5 (RS-485 Port).
RS8=
C or S
C
Assigns the CPU or Socket 2 to be connected to Serial Port 8.
RSZ=
T or O
O
Connect (T) / disconnect (O) the Serial Port 5 termination (RS-485 Port).