Cabletron Systems MT8-MIM Especificaciones Pagina 175

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Token Ring A-5
Charts and Tables
STP Test Requirements
UTP Test Requirements
Multimode Fiber Optic Test Requirements
Single Mode Fiber Optic Test Requirements
Aspect
Type 1/2 Type 6/9
4 Mbps 16 Mbps 4 Mbps 16 Mbps
Impedance 127.5 - 172.5
Attenuation (dB/km) 22 45 33 66
Aspect
Category 3 Category 4 Category 5
4 Mbps 16 Mbps 4 Mbps 16 Mbps 4 Mbps 16 Mbps
Impedance 85 - 115
Attenuation (dB/km) 56 131 42 88 42 82
Near-End Crosstalk 23 dB/1000 ft 36 dB/1000 ft 44 dB/1000 ft
Aspect 50/125 µm Multimode 62.5/125 µm Multimode 100/140 µm Multimode
Total Attenuation 13.0 dB @ 850 nm 16.0 dB @ 850 nm 19.0 dB @ 850 nm
Aspect 8.3/125 µm Single mode 12/140 µm Single mode
Total Attenuation 15.1 dB @ 1300 nm
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