Cabletron Systems STS16-20D User Manual

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Introduction
SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide
Physical Characteristics
Specification
Value
Rack mount
19" rack mount (hardware included) 1.5 U
Dimensions
Width: 19" (48.3 cm)
Depth: 15.74" (40.0 cm)
Height 2.59" (6.6 cm)
Weight
15.9 lbs. (7.2 Kg)
Power
100 to 240 VAC autosensing
Frequency
50/60 Hz
AC current rating
1.5 A @ 100 V; 0.75 A @ 220 V
Thermal dissipation
75 W, 256 BTU/h
MTBF
SmartStack STS16-20D: 72,100 hours
SmartStack STS16-20R: 70,200 hours
Calculated using Bellcore TR-332, issue 6
Operating Temperature: 
Non-operating Temperature:
10 to 40°C (50 to 104°F)
–10 to 70°C (13 to 158°F)
Humidity: 
Operating
Non-operating
8 to 80% (non-condensing)
90% @ 45°C (113°F)
Electromagnetic compability 
immunity
EN 50082-1
EN 61000-3-2
EN 61000-3-3
Electromagnetic emissions 
certification
FCC Part 15, subpart b, Class A
EN 55022 Class A
CISPR 22 Class A
Safety 
IEC 950
UL1950
CSA C22.2 No. 950
EN 60950
MANAGEMENT port
TIA/EIA-232-F, DB9 male connector
Software updates
Flash PROM, TFTP, X-modem