
SATELLINE-M3-R3
Integration Guide, Version 1.6
SERVICE
Input for service access. Internally pulled high.
Pull low / drive low to set UART1 (RD1,TD1) into
known state. See separate section of manual.
Pulse per second input. A CMOS input for pulse
per second signal output from GPS receivers.
Intended to sync time and frequency of receiver
to other radios.
Frequency input. A 1 MHz…20 MHz input.
Generally from a GPS receiver clock. Used for
reference frequency synchronization.
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