Specifications

14 Specifications HW400p/M Technical Reference - 1.0, March 6, 2002
3-4. Operating Requirements
Caution! Bring the HW400p/M communications controller to operating temperature in
a noncondensing environment. The rate of change in board temperature
should not exceed 2
°
°°
°
C (35.6 °F) per minute.
3-5. Power Requirements
The power requirements of the HW400p/M are 13 watts maximum, without a
PMC module.
Table 3-1 Operating requirements
Operating Requirement Acceptable Range or Value
Storage temperature −40 to +85° C (−40 to 185° F)
Cold start temperature 0 to 55° C (32 to 131° F)
Operating temperature −5 to 55° C (23 to 131° F)
(at board surface with power applied)
Relative humidity 20% to 80% noncondensing
Storage humidity 10% to 95% noncondensing
Power requirements 13 watts maximum, without a PMC module
Table 3-2 Power requirements
Voltage 5.0V
Tolerance ±5%
4.75V to 5.25V
Max Current 2.75A at 4.75V