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Maple Systems Windows Embedded CE 6.0 Pro Edition User Manual

Page 13

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1010-1017 Rev. 00

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Fusing Requirements
If the display does not come on within two seconds of power up, remove
power. An internal fuse will prevent damage if the polarity of the DC
power is incorrect. Check wiring to insure proper connections and try to
power up again.

Serial Port Connections

The diagrams below indicate the proper pin connections for the serial
ports of the OMIs.

Figure 7: Serial Port Pin outs

COM1 [RS-232]/COM3 [RS-232]

Pin out of DE9P (male) connector

Pin #

COM1[RS232]

COM3[RS232]

1

2

RXD

3

TXD

4

5

Signal Ground

6

7

RTS

TXD

8

CTS

RXD

9