Matrix Orbital GLK24064-25 Legacy - Manual (Page 12)

Figure 8: DB-9 Solder Jumper
WARNING For users with wide voltage units, please note; power may
only be delivered by +5Vdc through the DB-9 connector, regardless of
VPT.
Only one modification must to be done.
1. Solder the jumper in the ’red square’. It’s located right of the DB-9 connector, in the middle.
Figure 9: DB-9 Solder Jumper
2.2 Communications
2.2.1 RS-232 Communications and DB-9 Connector Pinout
A standard DB-9F is provided for RS-232 communications. Power may also be supplied via this con-
nector if desired. As well, the two middle pins of the power connector may also be used for serial commu-
nications.
Matrix Orbital GLK24064-25 8