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BR-355S4
PIN Number(s)
Name
Type
Description
1 GND
P
Ground.
2 VCC
P
Main power supply to the BR-355.
3,6 NC
Reverse PIN
4 RX I
This is the main receive channel for receiving
software commands to the engine board from
SiRFdemo software or from user written
software.
5 TX
O
This is the main transmits channel for outputting
navigation and measurement data to user’s
navigation software or user written software.
LED RED
LED OFF: Receiver switch off
LED ON: Receiver switch on
No fixed, Signal searching
LED Flashing: Position Fixed