Matrix-orbital GLK24064-25 Legacy Uživatelský manuál stáhnout pdf (Strana 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.

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Matrix-orbital GLK24064-25 Legacy Uživatelský manuál Strana 12