User manual
Table Of Contents
- Chapter 1 General Information
- Chapter 2 System Setup
- 2.1 System installation
- 2.2 Installing motherboard
- 2.3 Installing passive backplane & CPU card
- 2.4 Installing plug-in cards
- 2.5 Installing disk drives
- 3.1 The Front Section of ACP-4320
- 3.2 Replacing the fans
- 3.3 Cleaning the filters
- 3.4 Replacing the power supply
- 4.1 Alarm board layout
- 4.2 Alarm board specifications
- 4.3 Switch settings
- 4.4 Thermal sensor
- Appendix A Exploded Diagram
- Appendix B Safety Instructions
- B.1 English
- B.2 German - Wichtige Sicherheishinweise

3
1.2 Specifications
General
• Construction: Heavy duty steel chassis
• Disk drive capacity: Two front-accessible mobile trays for 3.5" SATA
HDDs, one 3.5" bay for FDD or internal HDD, and two 5.25" bays for
optical disk drives
• I/O interfaces on front panel: two USB ports
• I/O interfaces on rear panel: (BP version) one D-Sub 9-pin opening;
(MB version) five D-Sub 9-pin & one 68-pin SCSI openings
• Indicators on front panel: LEDs for Power On, HDD activity, TEMP,
FAN activity and LAN connection
• Switches on front panel: Power On/Off, System Reset and Alarm
Reset
• Fans: 1 x 114 CFM & 1 x 28 CFM
• Weight: 18.0 kg (39.6 lb)
• Dimensions: 482 mm (W) x 177 mm (H) x 478 mm (D)
(19" x 7" x 18.8")
1.3 Environmental
• Operating temperature: 0 ~ +40°C (32°F ~ 104°F)
• Temperature: (Operating) 0 to 40°C (32 to 104°F)
(Non-operating) -20 to 60°C (-4 to 140°F)
• Humidity: (Operating) 10 to 85% @ 40°C, non-condensing
(Non-operating) 10 to 95% @ 40°C, non-condensing
• Vibration (5 ~ 500 MHz): (Operating) 1G rams
(Non-operating) 2G
• Shock: (Operating) 10G with 11 ms duration, half sine wave
(Non-operationg) 30G
• Acoustic Noise: < 54dB sound pressure at 5 ~ 28°C (41 ~ 82°F)
• Altitude: 0 to 3,048 m (0 ~ 10,000ft)
• Safety: CE compliant