Datasheet
566 | Digital Recording and Storage | Disk Arrays (Network Attached)
Technical Specifications
Base Unit—DSA‑N2B50‑20AT
Electrical require-
ments—one control-
ler module
Input voltage: 100 to
120 V
Worst case, single PSU System, two PSUs
•
input current
measured
5.07 A 4.51 A
•
input power
measured
504 W 439 W
•
thermal dissipa-
tion
1718 BTU/h 1497 BTU/h
Input voltage: 200 to
240 V
Worst case, single PSU System, two PSUs
•
input current
measured
2.46 A 2.40 A
•
input power
measured
474 W 447 W
•
thermal dissipa-
tion
1617 BTU/h 1523 BTU/h
Input power frequency 50 to 60 Hz 50 to 60 Hz
System hardware specifications
Chassis 4U, 19”-rack-mountable
Power supplies Dual redundant, hot pluggable
Max disk drives 20 x 1 TB SATA‑II drives
Max net capacity ~11400 GB
DDR2 memory (system RAM) 2048 MB
System hardware specifications
Nonvolatile SDRAM (NVRAM) 256 MB—protects “in flight” transac-
tions for 3 days in the event of a
power loss
Integrated I/O 2 x 10/100/1000 Gigabit Ethernet,
copper
Remote management (via LAN) Yes
Mechanical
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)
Space requirements
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)
Environmental
Operating temperature +10 °C to +40 °C (+50 °F to
+104 °F)
Non-operating temperature -40 °C to +60 °C (-40 °F to +140 °F)
Relative humidity 20 to 80%, non-condensing
Acoustic level 66 dBA at +23 °C
6.6 bels at +23 °C
Disk Shelf Expansion Unit—DSX‑N2X00‑14AT
Electrical require-
ments
Input voltage: 100 to
120 V
Worst case, single PSU System, two PSUs
•
input current
measured
3.42 A 3.22 A
•
input power
measured
341 W 321 W
•
thermal dissipa-
tion
1163 BTU/h 1095 BTU/h
Input voltage: 200 to
240 V
Worst case, single PSU System, two PSUs
•
input current
measured
1.63 A 1.60 A
•
input power
measured
323 W 309 W
•
thermal dissipa-
tion
1103 BTU/h 1054 BTU/h
Input power frequency 50 to 60 Hz 50 to 60 Hz
System hardware specifications
Chassis 3U, 19”-rack-mountable
Power supplies Dual redundant, hot pluggable
Max disk drives 14 x 1 TB SATA‑II drives
Max net capacity ~7600 GB
Shelf connectivity Fibre Channel:
•
copper
•
fiber
Bosch Security Systems B.V. www.boschsecurity.com
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