AOpen DX34 PLUS Connecting 68-pin Ultra3 SCSI Cable DX34 Plus, Connecting Front Panel 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.

68-pin SCSI Ultra3 Connectors

11. Connecting Front Panel Connector

Attaching such as power LED, reset switch, power	switch connector, etc.… to
corresponding pins.
ATX	Chassis
Power Switch	Power LED Intrusion Switch

12. CD-IN & FAX-Voice Connector (Applied to DX34)

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

13. Connecting SCSI LED Connector

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.

1

2

+5V GND PWR LED +5VSB

21

22

HDD LED Reset Switch

RST S/W

INT S/W

	-
	+
CN23	+
	-
	-
CN24	+
	+
	-

1 21

2	22
GND	GND
+5V	GND
HDD LED
HDD LED
+5V