3Com CoreBuilder 7000 Installation & Start?Up Manual page 117

Table 29 Single Mode Fiber Specifications (continued)
Category 1 Output power
(from transmitter)
Receive power
Maximum distance*
between ATM devices
Maximum attenuation**
Category 2*** Output power
(from transmitter)
Receive power
Maximum distance*
between nodes
Maximum attenuation**
* Maximum distances assume cable with one splice every 2.2 km with 0.3
dB loss each, and with no patch panels or mechanical splices.
** Maximum attenuation includes cable attenuation and the loss induced
by other components such as connectors, splices, and the mating of
unlike fiber types.
***Category 2 based on FDDI information, no ATM specific information
yet.
ATM Cabling
14 dB minimum
8 dB maximum
32 dB minimum
8 dB maximum
14.4 km
10 dB (1 dB allowed for
reflections and dispersion
penalties)
4 dB minimum
0 dB maximum
37 dB minimum
15 dB maximum
58.6 km
32 dB (1 dB allowed for
reflections and dispersion
penalties)
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