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Connections
This diagram shows the available connections, switches and LEDs.
JP1 Header Link
JP1 header link should be fitted if this module is the last one on the RS485 bus. In most cases the JP1 link header
should be fitted.
SW1 Settings
The interface baud rate can be selected from the DIP switches SW1.
Baud Rate
Switch positions 1 to 4 are not used and can be in any position.
Switch positions 5 to 7 select the baud rate for the serial interface.
5
6
Baud rate / USB
9600
On
Off
19200
Off
On
38400
On
On
57600
Off
Off
115200
On
Off
230400
Off
On
460800
On
On
Whether the serial interface is RS485 or RS232 is selected by switch position 8.
8
232/485
RS232
Off
RS485
On
Power
The T24-GW1 requires an external power supply to be connected to J4 on the –V and +V pins.
Mantracourt Electronics Limited
7
Off
Off
Off
On
On
On
On
ON
1
8
377
T24 Telemetry User Manual
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