IBM DS3500 - Page 23

Table 1. Features and operating specifications
General:
v Modular components
– High-capacity disk drives
– (DS3500) RAID storage
controller modules
– (EXP3500) environmental
services modules (ESMs)
– Power supplies with built-in
fans
v Technology
– Supports disk subsystem
technology
– Redundant data storage, power
and cooling system, (DS3500)
SAS disk controllers, and
(EXP3500) ESMs
– Hot-swap technology for drives,
power supplies, (EXP3500)
ESMs, and (DS3500) controllers
– (DS3500) Host port adapter.
Each controller supports one
host port adapter. Support for:
- 6 Gbps SAS
- 8 Gbps FC
- 1 Gbps iSCSI
- 10 Gbps iSCSI
v User interface
– Built-in power, activity, and fault
LEDs, identification labeling on
components, rear LEDs, and
connectors
– Easy-to-replace drives, power
supplies with built-in fans, and
controllers
Power supply with built-in fans:
v Two hot-swap 585-watt (100 - 240
V ac) standard
v Provides redundant power
Size:
v DS3512 and EXP3512:
– Height: 8.6 cm (3.4 in.)
– Depth: 54.0 cm (21.3 in.)
– Width: 44.9 cm (17.7 in.)
– (DS3512) Weight: Single
controller: 17.2 kg (38.0 lb) Dual
controller: 18.5 kg (40.7 lb)
– (EXP3512) Weight: 16.9 kg (37.3
lb)
v DS3524 and EXP3524:
– Height: 8.8 cm (3.5 in.)
– Depth: 48.7 cm (19.2 in.)
– Width: 44.9 cm (17.7 in.)
– (DS3524) Weight: Single
controller: 20.2 kg (44.5 lb) Dual
controller: 21.4 kg (47.2 lb)
– (EXP3524) Weight: 19.9 kg (43.8
lb)
Environment:
v Air temperature:
– On: 10° to 35°C (50.0° to 95°F);
altitude: 30.5 (100 ft) below to
3000 m (9840 ft) above sea level;
temperature change: 10°C (18°F)
per hour
– Off: -10° to 50°C (14.0° to
120.0°F); maximum altitude: 3000
m (9840 ft); temperature change:
15°C (27.0°F) per hour
v Humidity:
– On: 20% to 80%
– Off: 10% to 90%
– Maximum dew point: 26°C (79°F)
– Maximum humidity gradient:
10% per hour
Heat output:
Approximate heat output in British
thermal units (Btu) per hour:
v Minimum configuration: 205 Btu (60
watts)
v Maximum configuration 1235 Btu
(361 watts)
Hard disk drives:
v DS3512 and EXP3512: 12 LFF
3.5–inch 6 Gbps
v DS3524 and EXP3524: 24 SFF
2.5–inch 6 Gbps
Drive type: SAS, NL SAS, and SSD
Storage controllers:
(DS3500) SAS interface: Three 26-pin,
mini-SAS connectors per controller
ESMs:
(EXP3500) SAS interface: Three
26-pin, mini-SAS connectors per ESM
Acoustical noise emissions:
v DS3512 and EXP3512 fully
populated with 12 drives
– Sound power (idling): 6.2 bels
– Sound power (operating): 6.2
bels
– Sound pressure (idling): 62
dBA
– Sound pressure (operating): 62
dBA
v DS3524 and EXP3524 fully
populated with 24 drives
– Sound power (idling): 6.4 bels
– Sound power (operating): 6.4
bels
– Sound pressure (idling): 64
dBA
– Sound pressure (operating): 64
dBA
Electrical input (ac models):
v Sine-wave input (50 - 60 Hz)
required
v Input voltage low range:
– Minimum: 90 V ac
– Maximum: 140 V ac
v Input voltage high range:
– Minimum: 200 V ac
– Maximum: 264 V ac
v Approximate input kilovolt-amperes
(kVA):
– Minimum: 0.06 kVA
– Maximum: 0.38 kVA
Electrical input (dc models):
v Input voltage range:
– Minimum: -42 V dc
– Nominal: -48 V dc
– Maximum: -60 V dc
v Operating current: 16 A to 11.2 A
Chapter 1. Introduction 5