![background image](http://html.mh-extra.com/html/cisco/fm4200/fm4200_installation-and-configuration-manual_67774048.webp)
7.
Screw the protective plastic SFP module cover securely over the
SFP port.
8.
Clean the optic surfaces of the fiber-optic cable before connecting
the cable to the optical port of another SFP module.
9.
Protect the interface ports of the SFP module against dust, dirt
and water. The optics will not work correctly if they are obstructed
or contaminated.
10. Only use a duplex fiber-optic cable with a connector conforming
to the SFP standard.
Connect a fiber-optic cable to the transceiver unit's SFP module by doing
the following steps:
1.
Remove the protective plastic cover
from the port labelled
SFP
.
2.
If the SFP module is a bale-clasp type, close
the bale clasp before inserting the cable
connector into the module.
3.
Insert the cable connector into the SFP
module's interface port.
4.
If applicable, press the bale clasp down to lock
the cable connector into the interface port.
5.
Waterproof the connection as directed by the
manufacturer of the SFP module.
5.2.5. Connecting the antennas to the Cisco FM4200 Fiber
QMA antenna connections
IMPORTANT
The FM4200 Fiber is ingress-protection rated to standards
specified by EN 50155 and EN 45545.
To ensure the FM4200 Fiber remains waterproof and
dustproof, follow all instructions in this section.
Following the instructions in this section will also ensure that
the FM4200 Fiber is well prepared for any ingress-protection
testing.
Hardware installation
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