IBM 4820 System Reference Guide

Environmental requirements
Table 1-7 shows the humidity and temperature limits for the 4820 SurePoint Solution.
Table 1-7. Environmental requirements
Temperature (dry
bulb)
Maximum
temperature (wet
bulb)
Relative humidity
Operating
0 to 40°C
(32° to 104° F)
27° C
(81° F)
8 to 80%
Storage
-20 to 60°C
(-4° to 140° F)
29° C
(84° F)
5 to 90 %
Ensure that the cooling vents are not blocked by papers, signs, or other items.
Power usage
Table 1-8 lists the power consumption and input voltage values for the 4820 SurePoint
Solution.
Table 1-8. Power usage values
Power consumption (on and
operating)
Input voltage
Models 10F, 1FD 20 watts
100 to 240 V AC nominal
All other models 35 watts
Spill resistance
The 4820 SurePoint Solution is designed to meet the following standards:
v National Electrical Manufacturers Association (NEMA) Type 5 rating per NEMA
Standards Publication number 250–1991 Enclosures for Electrical Equipment
v IP 52 rating per IEC 529
Calling for service
When you call IBM for warranty information or service, be sure to have the following
information available:
v Machine type/model
v Serial number
Locate
this information on the lower right edge at the rear of the machine.
1-10 4820 SurePoint Solution System Reference

IBM 4820 Specifications

General

Brand	IBM
Model	4820
Category	Monitor
Language	English