Service manual

Introducing the SA7x Enclosure
1.3 SA7x Specifications
1.3 SA7x Specifications
Recommended environmental limits for operating the SA7x enclosure are listed in
Table 1–4. General specifications for the SA7x enclosure are shown in Table 1–5.
Caution
For the SA7x enclosure and installed RA7x disk drives to perform at
the optimal level and maintain high reliability, they should be used in
environments recommended in the following tables.
Table 1–4 SA7x Enclosure Recommended Environmental Limits
Characteristic Min. Max. Units
Operating temperature 65
18
75
24
Degrees Fahrenheit
Degrees Celsius
Operating temperature rate of change – 5.4
3
Degrees per hour Fahrenheit
Degrees per hour Celsius
Operating temperature step change – 5.4
3
Degrees per hour Fahrenheit
Degrees per hour Celsius
Operating relative humidity 40 60 Percent relative humidity
(noncondensing)
Operating relative humidity rate of change – 10 Percent relative humidity
(noncondensing) per hour
Storage temperature 65
18
85
29
Degrees Fahrenheit
Degrees Celsius
Storage humidity – 50 Percent relative humidity
(noncondensing)
Table 1–5 SA7x Enclosure Specifications
Characteristic Specification
Number of disk drive positions Four
Maximum formatted storage capacity:
SA70 enclosure
SA71 enclosure
SA72 enclosure
SA73 enclosure
1.12 GB
2.8 GB
4.0 GB
8.0 GB
Dimensions (nominal) 26.7 cm (10.5 in) high
22.2 cm (8.75 in) wide
71.1 cm (28 in) deep
Weight (nominal):
SA70 enclosure
SA71, SA72, or SA73 enclosures
21 kg (46 lb) empty
40 kg (88 lb) with four disk drives
21 kg (46 lb) empty
31.7 kg (72 lb) with four disk drives
Continued on next page
Introducing the SA7x Enclosure 1–9