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GSM-204-423
Protecting fibres and connectors
To maintain good light transmission through the fibre optic link it is essential to
maintain cleanliness of the connector end surfaces and/or bare fibre ends.
At all times when fibres are not connected into the system, the connector
protective caps (normally red) should be fitted and kept in place. This is
especially important when routeing fibres during installation.
Cleaning fibres and connectors
Cleanliness of fibre terminations and connectors is essential. If cleaning of
contaminated optical components is required, then all areas should be wiped
gently with a lint free cloth soaked in a suitable cleaning solution. Care should
be taken to ensure the ends of the fibres are not scratched in any way.
Connecting glass fibre cables
Fibre-ST connectors are used to terminate the fibre optic cables. These are
push fit and should not be tightened when connecting. Table 3-6 shows the fibre
optic interconnections between master and extension cabinets in multiple
cabinet sites.
31st Oct 01
Table 3-6 Fibre optic interconnections
Master cabinet
connection
MCUF TCU0 FMUX0 IN
MCUF TCU0 FMUX0
OUT
MCUF TCU1 FMUX1 IN
MCUF TCU1 FMUX1
OUT
FMUX module DATA IN
FMUX module DATA
OUT
Installation & Configuration: Horizon macro outdoor
68P02902W03-A
CONTROLLED INTRODUCTION
Connecting fibre optic cables
Extension
FMUX
cabinet
connection
2nd cabinet
DATA OUT
2nd cabinet
DATA IN
3rd cabinet
DATA OUT
3rd cabinet
DATA IN
4th cabinet
DATA OUT
4th cabinet
DATA IN
Inst. 3–59
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