beautypg.com

Matrix Orbital LK204-25 Legacy User Manual

Page 13

background image

Pin

2

Tx \ SDA (I

2

C data)

Pin

3

Rx \ SCL (I

2

C clock)

Pin

5

GND

Pin

9

PWR

(Must solder Power Through DB-

9 Jumper. See table 70 on page 54 for
power requirements.)

Figure 14: RS-232 Pin out

2.1.1

Power Through DB-9 Jumper

In order to provide power through pin 9 of the DB-9 Connector you must place a solder jumper on the

Power through DB-9 Jumper pictured in

figure 15

below. The LK204-25 allows all voltage models to use the

power through DB-9 option, see table 70 on page 54 for display module voltage requirements.

Figure 15: Power Through DB-9 Jumper

WARNING

Do not apply voltage through pin 9 of the DB-9 connector

AND through the Power/Data Connector at the same time.

Matrix Orbital

LK204-25

9

See also other documents in the category Matrix Orbital Hardware: