Service Manual

GSM-205-423
Connecting fibre optic cables
31st Oct 01
Inst. 2–46
Installation & Configuration: Horizon macro indoor
CONTROLLED INTRODUCTION
68P02902W08-B
Connecting
fibre optic
cables between
cabinets
WARNING Do not look directly into a fibre optic cable or the data
in/out connectors of the FMUX or MCUF, with or without
the use of optical aids. Laser radiation can come from
either the data in/out connectors or unterminated fibre
optic cables connected to data in/out connectors.
To connect fibre optic cables between master and extension cabinets in multiple
cabinet sites.
1. Open master and extension cabinet doors and remove hoods, (if fitted).
CAUTION
Under no circumstances should fibres be bent tighter than
the minimum bend radius.
2. Route the appropriate length extension cabinet fibre optic cable from the
digital module compartment of the master cabinet, through the aperture in
the right side of the CBIA cage, to the top section of the cabinet.
CAUTION
Under no circumstances should any tools, such as pliers,
be used to connect ST fibre connectors.
3. Connect the push fit ST connector of the fibre optic cables to the
appropriate ports on the master MCUF, or master FMUX module, front
panel (see Table 2-5).
4. Route the fibre optic cable to the extension cabinet, following existing
cable layout as far as possible.
5. Pass the fibre optic cable through the fibre optic cable hole in the cabinet
top section to the extension cabinet FMUX.
6. Connect the push fit ST connector of the fibre optic cables to the data
ports on the extension cabinet master FMUX front panel.
7. Repeat steps 2 to 6 for digital redundancy MCUF and FMUX, if fitted.
8. Repeat steps 2 to 7 for additional extension cabinets.