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Connect Network Cables to the Transceiver Port
The following network cables should be used with the Gigabit-SX and
Gigabit-LX transceivers.
Port Type
Gigabit-SX 62.5/125 m or 50/125 m core/
cladding diameter, graded-index,
multimode fiber-optic cables that are
fitted with SC connectors—the cables
must comply with the ITU-T G.651 and
ISO/IEC 793-2 Type A1b or A1a
standards.
Gigabit-LX
single-mode cables fitted with SC
connectors—the cables must comply
with the ITU-T G.652 and
ISO/IEC 793-2 Type B1 standards.
The multimode cables specified for
the Gigabit-SX Transceiver may also
be used, but a mode conditioning
patch cord may be needed — see the
Installation Guide that came with the
module for more information.
To connect a fiber-optic cable to a
transceiver:
1. Remove the plastic dust covers
from the cable connectors and
from the transceiver port.
2. Press the connector into the jack
so that the tabs on the connector
slide into the notches in the jack
and the connector snaps
securely into place.
3. If you are using cable with SC duplex connectors, as shown in the
illustration, both cables are connected simultaneously. If the cable has
simplex connectors, install them one at a time and make sure that the
cable connected into the Tx (transmit) port on the transceiver is
connected into the receive port on the device at the other end of the
cable; similarly, make sure the Rx (receive) port on the transceiver is
connected to the transmit port on the other device.
4
Cable Type
Length Limits
• 62.5 m cable:
– 160 MHz*km = 220 meters
– 200 MHz*km = 275 meters
• 50 m cable:
– 400 MHz*km = 500 meters
– 500 MHz*km = 550 meters
• single-mode cable - 5 kilometers
• multimode cable - 550 meters
notches
Fiber cable
with duplex SC
connector
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