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32 en | Technical Data DSDA iSCSI Disk Array Series
V 1 | 2008.08 Installation Guide Bosch Security Systems
8.2 Technical Specifications DSA-N2B20
8.2.1 Electrical Requirements – One Controller Module
8.2.2 System Hardware Specifications
8.2.3 Mechanical
8.2.4 Space Requirements
8.2.5 Environmental
Input voltage: 100 to 120V Worst case,
single PSU
System,
two PSUs
• input current measured 3.37 A 3.22 A
• input power measured 332 W 316 W
• thermal dissipation 1133 BTU/hr 1077 BTU/hr
Input voltage: 200 to 240V Worst case,
single PSU
System,
two PSUs
• input current measured 1.69 A 1.66 A
• input power measured 327 W 305 W
• thermal dissipation 1114 BTU/hr 1039 BTU/hr
Input power frequency 50 to 60 Hz 50 to 60 Hz
Chassis 2U, 19” rack-mountable
Power supplies Dual redundant, hot pluggable
Max disk drives 12 x 750 GB SATA II drives
Max raw Capacity 9 TB
DDR2 memory (System RAM) 1024 MB
Nonvolatile SDRAM (NVRAM) 256 MB - protects “in flight” transactions
for 3 days in the event of a power loss.
Integrated I/O 2 Ethernet 10/100/1000 Copper
Remote management (via LAN) Yes
Dimensions (H x W x D) 89 x 447 x 572 mm
(3.5 x 17.6 x 22.5 in)
Weight 27.215 kg (60 lb) full
Front–cooling 152 mm (6 in)
Rear–cooling 305 mm (12 in)
Front of chassis–maintenance 762 mm (30 in)
Rear of chassis–maintenance 915 mm (36 in)
Operating temperature +10 °C to +40 °C (+50 °F to +104 °F)
Nonoperating temperature -40 °C to +60 °C (-40 °F to +140 °F)
Relative humidity 20 to 80% noncondensing
Acoustic level N/A