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AT-1720
Figure 5: Incorrectly
Connected BNC for 10BASE2
10BASE-FL/FOIRL (Fiber Optic) Connection
The AT-1720FT provides both an RJ45 for 10BASE-T Ethernet
and ST-type transmit and receive connectors for 10BASE-FL
(the current standard, backward compatible with FOIRL) or
FOIRL Ethernet network segments. Maximum segment length
is 1000 meters (3279 ft.) for FOIRL and 2000 meters (6558 ft.) for
10BASE-FL. (See Figure 6.)
Warning
Hazardous light emissions may exist in fiber optic
systems. Severe eye damage may result if
precautions are not taken. Never look into a
transmitting fiber optic device, transceiver, repeater
or cable.
In a 10BASE-FL or FOIRL segment, the cables connect the
transmit receptacle at one end of the segment to the receive
receptacle at the other end and vice versa. Be sure to align the
key on the cable connector with the keyway on the adapter card
receptacle when attaching the cable. Forcing cable insertion can
cause receptacle or connector breakage.
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