Control Interface; Serial Interface (J9 And J10); Table 6 Serial Interface Connections - Computer Dynamics VAMP-XGA3 User Manual

The Bklight On signal is a digital output that indicates the backlight status. Bklight On will
go low when the backlight is turned off by the microprocessor. The backlight is turned off during
low power operation.

2.4 Control Interface

The VAMP-XGA3 can be controlled by commands transmitted and received via an RS-
232 channel or through the OSD switch interface.
2.4.1

Serial Interface (J9 and J10)

The serial interface connectors, J9 and J10, are 2 x 5 straight headers with 0.1" centers.
J10 is the normal HOST PC interface. The pinout is shown in the following table:
Pin 1 of the 2 x 5 header for both are located in the top right corner of the connector.
Xga3dusr.doc

Table 6 Serial Interface Connections

Serial Interface
1
2
3
4
5
6
7
8
9
10
VAMP-XGA3 Manual Page 7
Copyright January 1999, Computer Dynamics, Inc.
NC
NC
Transmit
NC
Receive
NC
NC
NC
GND
N/C
2000-07-06