Allied Telesis AT-FS717FC/xx - Manual (Page 24)

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q Refer to Table 6 for the cabling specifications for the fiber optic port
operating in half-duplex mode.
Table 6 100Base-FX Fiber Optic Ports (Half-duplex)
1
1. The total distance of the fiber optic port lengths cannot exceed the limits stated in the table. Each media converter
used inline within a single collision domain reduces the overall segment length by 40 meters (131 feet).
Selecting a Site
Be sure to observe the following guidelines when selecting a site for your
switch.
q Select a site that is dust-free and moisture-free.
q Select a site that will allow you to easily access the data cables and
power cord.
q Make sure the air flow around the switch and through its vents on the
side and back are not restricted.
q For use on a desktop, make sure the desktop is level and secure.
q Use dedicated power circuits or power conditioners to supply reliable
power to the device.
q Keep the twisted pair cabling away from sources of electrical noise,
such as radios, transmitters, power lines, broadband amplifiers,
electrical motor, and fluorescent fixtures.
Number of Media
Converters
Connected Devices
Maximum Operating
Distance
One Media Converter Inline Switch to switch 372 m (1,221 ft)
Workstation to switch 372 m (1,221 ft)
Switch to Class I repeater 137 m (450 ft)
Switch to Class II repeater 185 m (607 ft)
Two Media Converters
Inline Switch to switch 332 m (1,089 ft)
Workstation to switch 322 m (1, 089 ft)
Switch to Class I repeater 97 m (318 ft)
Switch to Class II repeater 145 m (476 ft)