AOpen DX34 PLUS - Manual (Page 5)

12. CD-IN & FAX-Voice Connector (Applied to DX34)
13. Connecting SCSI LED Connector
10. Connecting 68-pin Ultra3 SCSI Cable (DX34 Plus)
The DX34Plus provides two 68-pin Ultra Wide/Ultra 2/3 SCSI connectors for 16-bit
or 16-bit differential SCSI devices.
11. Connecting Front Panel Connector
Attaching such as power LED, reset switch, power switch connector, etc.… to
corresponding pins.
The 4-pin SCSI LED connector can be connected to the SCSI hard disk control card
activity LED connector. Read or write activity by devices connected to the SCSI card
will cause the LED lighting up.
If you have installed the CD-ROM drive in the
system, the CD-In Connector (CN19) can be
connected to audio output connector of internal
CD-ROM drive.
This FAX-VOICE connector (CN21) can let the fax
sound of Modem device speak out from external
speaker by connected .to internal Modem card.
Connector Pin1 Pin2 Pin3 Pin4
CD-IN Left GND GND Right
FAX-Voice MIC-IN GND GND Phone
68-pin SCSI Ultra3 Connectors
-
+
+
-
-
+
+
-
CN23
CN24
ATX
Power Switch Power LED
Reset Switch HDD LED
Chassis
Intrusion Switch
1
2
21
22
+5VSB
GND
HDD LED
GND
+5V
+5V
PWR LED
HDD LED
+5V
INT S/W
RST S/W
GND
GND
1
2
21
22