Cabletron Systems STH-22, STHI-44, 42, 24 manual Environmental Requirements, Safety, Physical

Environmental Requirements

under all conditions of line at full load. The minimum and maximum load current from each output is shown below.

Table 2-5. Power Supply Loads

Output	Min. Load	Max. Load	Max Power
+5 Volts	0.50 Amps	3.0 Amps	15 Watts
+12 Volts	0.05 Amps	1.0 Amps	12 Watts

2.6.4Environmental Requirements

Operating Temperature:	+5° to +50° C
Non-operating Temperature:	-30° to +90° C
Operating Humidity:	5 to 95% (non-condensing)

2.6.5Safety

This equipment is designed in accordance with UL478, UL910, NEC 725- 2(b), CSA, IEC, TUV, VDE Class A, and meets FCC Part 15, Class A limits.

Warning: It is the responsibility of the person who sells the system to which the STH will be a part to ensure that the total system meets allowed limits of conducted and radiated emissions.

2.6.6 Physical
Dimensions:	2.8H x 17.0W x 8.0D inches
	(7.2 x 43.6 x 20.5 cm)
Predicted MTBF:	STH-22/42: 653,987 hours
(mean time between failure)	STH-24/44: 653,972 hours

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