Cabletron Systems SmartStack STS16-20FRM, Installation And User Manual

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SmartStack STS16-20RM/STS16-20FRM Token Ring Switches, P/N: 9032957-01 Introduction
Performance
Physical Characteristics
Specification Value
Maximum frame rate per port 57,000 pps in each direction (measured with a
frame size of 19 bytes)
Maximum aggregate frame rate
per 4 ports 200,000 pps in each direction. Full media
speed for frame sizes above 28 bytes
Throughput per port 16 Mbps in each direction for all frame sizes
Aggregate switching rate
(unicast or broadcast) for entire
switch 1,500,000 pps for smallest frame sizes
Within switch latency
(cut-through)
35 µs
Table 6. Performance Specifications
Specification Value
Rack mount 19" rack mount (hardware included)
Dimensions Width: 19" (48.3 cm)
Depth: 15.74" (40.0 cm)
Height 3.46" (8.80 cm)
Weight 19.4 lbs. (8.8 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
(without modules)
STS16-20RM: 90 W, 307 BTU/h
STS16-20FRM : 80 W, 273 BTU/h
MTBF STS16-20RM: 77,240 hours
STS16-20FRM
: 40,342 hours
Calculated using Bellcore TR-332, issue 6
Table 7. Specifications of Physical Characteristics