Sun Microsystems Sun Workstation 100U System Manager's Manual page 18

L
Unpacking and Setting up the 100U
Sun 100/150 Installation Manual
communications. It has been tested and found to comply with the limits for a Class A comput-
ing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide rea-
sonable protection against such interference when operated in a commercial environment.
Operation of this equipment in a residential area is likely to cause interference, in which case
the user at his own expense will
be
required to take whatever measures may
be
required to
correct the interference.
1.2.1. Physical Environment
The Sun Model100U is manufactured for the following physical environment:
Table 1-1: Physical Environment
OpertJting Non- Oper tJting
Ambient Temperature
10
0
C _ 40
0
C _40
0
C _ 65
0
C
Humidity 5% - 90% 5% - 90%
(Non-condensing)
Altitude 10,000 feet 40,000 feet
1.2.2. Power Drain Requirements
Model 100U desktop workstations are equipped with a 200 watt four-output power supply,
which delivers
+
5, -5,
+
12, and -12 volts.!
Table 1-2: Power Supply Ratings
VolttJge
MtJximum
Ourrent in Amp'
+5 35.0
-5
1.5
+ 12
4.0
-12
1.5
It is possible that a full card cage will exceed the ratings of this supply. The table which fol-
lows shows the power consumption of each Sun-supplied board. Boards documented are those
current for this release.
1
NOTE that this rating is for the Model lOOU current with this release; older systems (pre-0.4
release of August 19S3) have 175 watt, 30 amp power supplies. The peak amperage for these
sys-
tems is:
+
5: 30 amps; -5: 2.0 amps;
+
12: 4.0 amps; -12: 2.0 amps.
1-2
Revision H of 12 March 1984