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5.2.4. Connecting an XCO-standard duplex fiber-optic cable to the
unit
WARNING
If a Cisco FM4200 Fiber transceiver is fitted with an XCO / SFP
fiber-optic module, it is a Class 1 laser product. It makes use of
fiber-optic technology, including laser-emitting components. Do
not look directly at the input/output end of the unit's SFP
connector, or at the input/output end of any fiber-optic cable.
Fiber-optic systems frequently use high-intensity laser light that
may cause temporary or permanent blindness.
For additional guidance regarding the safe use of laser-based
and LED-based fiber-optic technology, refer to ANSI Z136.2
(Safe Use of Optical Fiber Communication Systems Utilizing
Laser Diode and LED Sources).
IMPORTANT
XCO-standard transceiver modules and XCO-type duplex
fiber-optic connectors can easily be sourced as off-the-shelf
parts.
If you experience difficulty in sourcing or ordering fiber-optic
parts or accessories, please contact your local Cisco
Networks representative for assistance.
Due to the large variety of XCO-type fiber-optic transceivers that are
available, Cisco Networks ships the Cisco FM4200 Fiber from the
factory without a fiber-optic transceiver installed.
For the unit to have fiber-optic capability, the unit must be equipped with a
separately available fiber-optic transceiver. Alternatively, you can choose
not to connect the unit to fiber-optic infrastructure by leaving the SFP port
unoccupied.
If the unit must be equipped with an XCO-type fiber-optic transceiver, the
transceiver unit must conform to the following specifications:
• Small Form Factor Pluggable (SFP) duplex LC receptacle.
• SFP MSA compliant.
• + 3.3V single power supply.
Before installing an SFP module, familiarize yourself with the different
types that are in use. An SFP module may use any of four different
latching methods to secure the module inside its module port:
• The bale clasp-type module has a clasp that is used to remove and
install the module (below).
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Hardware installation
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