Jumpers and Test Points

Jumper

Default

Function

Description

JP2

Bridged

Disable Power LED

Disconnect this jumper to disable the onboard power LED. Useful for power saving or stealth applications.

JP3

Bridged

Disable PPS LED

Disconnect to turn off the LED that blinks with PPS signal.

Test Point

Signal

Description

TP2

PPS Output

1Hz Pulse Per Second signal output from the GNSS module.

TP4

VCC (after protection diode)

Measures input voltage after the reverse-polarity protection diode.