IBM SG24-4817-00 - Manual (Page 109)

This soft copy for use by IBM employees only.
Table 16 (Page 2 of 2). Environmental Specifications of the I B M 8285 Nways A T M
Workgroup Switch
Description IBM 8285 Base Unit Base plus Expansion
Acoustic 5.8Bel 6.0Bel (with Expansion)
6.1.2.2 Mechanical Specifications
The 8285 switch is designed to be either rack-mounted or to rest on a table-top.
Your mount must be able to support at least the following specifications, listed in
Table 17, with the appropriate safety factors.
Table 17. Mechanical Specifications of the I B M 8285 Nways A T M Workgroup Switch
Description IBM 8285 Base Unit Base plus Expansion
Width 440 mm (17.3 inches) 440 mm (17.3 inches)
Depth 508 mm (20.0 inches) 508 mm (20.0 inches)
Height 133.3 mm (5.25 in. or 3U) 133.3 mm (5.25 in. or 3U)
Weight (empty)
Weight (fully loaded) 12.8 kg (28.2 lbs) 12.8 kg (28.2 lbs)
19.4 kg (36.8 lbs)
Mounting Clearances
Front:
Back:
100 mm (4 inches)
300 mm (12 inches) 100 mm (4 inches)
300 mm (12 inches)
6.1.2.3 Power Supply
The IBM 8285 Base Unit has a universal power supply, as does the 8285
Expansion Chassis. The power supplies are currently identical although this can
be expected to change in the future.
• General Power Specifications
Table 18 shows the general power specifications of the IBM 8285 Base Unit
and the 8285 Expansion Chassis.
Table 19 shows the anticipated power specifications of future models of the
IBM 8285 Base Unit and the 8285 Expansion Chassis.
Table 18. Power Supply Specifications of the 8285
Description Base Unit Expansion Unit
Current Draw
- at 100V
- at 240V 3.6A
1.9A 3.6A
1.9A
Surge Current 40A 40A
Leakage Current 2.7mA 2.7mA
Caloric Value
- Kcal/hr
- BTU 44
174.59
44
174.59
Table 19 (Page 1 of 2). Power Supply Specifications of Future 8285 Models
Description Base Unit Expansion Unit
Current Draw
- at 100V
- at 240V 2A
0.85A
3A
1.25A
Chapter 6. IBM 8285 Planning and Installing
93