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DSDA iSCSI Disk Array Series Technical Data | en 33
Bosch Security Systems Installation Guide V 1 | 2008.08
8.3 Technical Specifications DSA-N2B50
8.3.1 Electrical Requirements – One Controller Module
8.3.2 System Hardware Specifications
8.3.3 Mechanical
8.3.4 Space Requirements
8.3.5 Environmental
Input voltage: 100 to 120V Worst case,
single PSU
System,
two PSUs
• input current measured 5.07 A 4.51 A
• input power measured 504 W 439 W
• thermal dissipation 1718 BTU/hr 1497 BTU/hr
Input voltage: 200 to 240V Worst case,
single PSU
System,
two PSUs
• input current measured 2.46 A 2.40 A
• input power measured 474 W 447 W
• thermal dissipation 1617 BTU/hr 1523 BTU/hr
Input power frequency 50 to 60 Hz 50 to 60 Hz
Chassis 4U, 19” rack-mountable
Power supplies Dual redundant, hot pluggable
Max disk drives 20 x 750 GB SATA II drives
Max raw Capacity 15 TB
DDR2 memory (System RAM) 2048 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) 175 x 447 x 572 mm
(6.9 x 17.6 x 22.5 in)
Weight 49.895 kg (110 lb)
Front–cooling 152 mm (6 in)
Rear–cooling 305 mm (12 in)
Front of chassis–maintenance 762 mm (30 in)
Rear of chassis–maintenance 914 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 66 dBA at +23 °C
6.6 bels at +23 °C