Specifications

10 | Installation
between them on pins 1 through 8.
The RF (TNC-F) connector is used to connect the MX525A
to a combined DGPS antenna (MGL-3).
Pin # Wire
Color
Wiring Comparison
MX525A MX421B-10
1 BLK Negative Ground
2 RED +9 - 32 VDC
3 BLU MX Proprietary Message (MPM In (-)
4 BRN MX Proprietary Message (MPM In (+)
5 ORG GPS Out (-)
6 GRN GPS Out (+)
7 YEL Beacon Status Out (-)
8 WHT Beacon Status Out (+)
9 PRPL RTCM IN (+) 1 PPS (+)
10 PRPL/
GRY
RTCM IN (-) 1 PPS (-)
TNC COAX To MGL-3 Combo
Antenna
None