Lenovo 7812, Hardware Maintenance Manual

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Types 7816, 7817, 7818, 7819, 9686, 9687, 9688, 9689, 9690,
and 9691
This section lists the physical specifications.
Dimensions
Height: 410 mm (16.14 in.)
Width: 175 mm (6.9 in.)
Depth: 424 mm (16.7 in.)
Weight
Minimum configuration: 8.17 kg (18 lb)
Maximum configuration: 10.21 kg (22.5 lb)
Environment
Air temperature:
Operating at 0 - 3000 ft (914.4 m): 10° to 35°C (50° to 95°F)
Operating at 3000 ft - 7000 ft (2134 m): 10° to 32°C (50° to 89.6°F)
Non-operating: 10° to 60°C (50° to 140°F)
Humidity:
Operating: 10% to 80%
Non-operating: 10% to 90%
Transit: 8% to 90%
Maximum altitude: 7000 ft (2133.6 m)
Electrical input: Some models have a switchable power supply that supports both low and high input voltage
ranges. Some models do not have a switch and support only a low or high input voltage range. See
“Voltage-selection switch” on page 5 for additional information.
Input voltage:
Low range:
Minimum: 100V ac
Maximum: 127V ac
Input frequency: 50/60 Hz
Voltage switch setting: 115V ac (some models)
High range:
Minimum: 200V ac
Maximum: 240V ac
Input frequency: 50/60 Hz
Voltage switch setting: 230V ac (some models)
Input kilovolt-amperes (kVA) (approximate):
Minimum configuration as shipped: 0.10 kVA
Maximum configuration: 0.31 kVA
Note: Power consumption and heat output vary depending on the number and type of optional features
installed and the power-management optional features in use.
Chapter 3. General information
41