Digital Alert Systems DASDEC-1EN Schematics Download

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Matrix Orbital LK202-25 LCD schematic:

* Connector Function *
General Purpose Outputs 2 Status LEDs, optional GPO relay control

GPO1 Green LED System status
GPO2 Red LED EAS Alert status
GPO3-6 available for external GPO relay control

4 pin power LCD power ( 5.0VDC), unused I2C comm.

Pin1 +7 to +15 VDC

Pin2

I2C

SCL

clock

Pin3 I2C SDA data

Pin4

Ground

10 pin keypad header generate 25 key states-optional GPI input

DB-9F RS-232 connection to VIA motherboard COM2 serial port

Pin2

Data

from

LCD

Pin3 Data to LCD

For more details refer to Matrix Orbital Users Manual for LK202-25.

Power
Connector

RS-232

10 pin keypad
header

General
Purpose
outputs

Pin 1

Pin 4

Pin 5

Pin 1

GPO 1

GPO 6

Summary of Contents for DASDEC-1EN

Page 1: ...memory an optional sound card 2 status LED s and a simple speaker The chosen LCD is the LK202 25 from Matrix Orbital The DASDEC 1EN is controlled via a LAN and or external Serial Port and or by Keyboa...

Page 2: ...y COM2 to LCD USB to Ext Ports Power on Connector to Speaker Standard PC Pinout IEEE1394 to Ext Ports IEEE 1394 Ports 1 2 USB Ports 3 4 Top RJ45 to LAN Bottom USB Ports 1 2 VGA Out Top PS 2 Mouse Bott...

Page 3: ...5 0VDC unused I2C comm Pin1 7 to 15 VDC Pin2 I2C SCL clock Pin3 I2C SDA data Pin4 Ground 10 pin keypad header generate 25 key states optional GPI input DB 9F RS 232 connection to VIA motherboard COM2...