Operating Instructions 1-7 M90 Fusion Splicer
Issue 02/97 Getting to Know the M90 Fusion Splicer
Launching/
extracting the
light
At the radius of the mandrel on the transmitter side, the light from an LED is radiated
into the optical fiber at a wavelength of 1300 nm. Part of this light is transferred into the
core of the second optical fiber at the splice point. The light emerges again at the re-
ceiver's mandrel and strikes a photodiode.
Optical power
as an electrical
signal
The extracted optical power is proportional to the transmission at the splice point. Fol-
lowing conversion to an electrical signal it can be used for automatic alignment of the
fiber ends and for automatic control of the splicing process itself.
Coating diameter Your splicer is equipped with a LID system for coating diameters of 250 µm.
The following options are available for fusing fibers of diameters 400, 500 and 900 µm:
- You can align and fuse the fibers fully automatically by selecting the "Fixed parame-
ters (video)" program group in the Parameter menu. This program aligns the ends of
the fibers using the video camera, the LID system not being required.
- Align the optical fiber manually.
- Use an external optical attenuation test set, the test set being connected to the
splicer's external LID input. In this case, you can perform fully automatic fusion by
selecting the "Fixed parameters (LID)" or "Variable fusion curve" program group in
the Parameter menu and switching there to an external LID system (see section 3).
Note
When using the internal LID system, use only optical fibers with the correct diameter
(250-µm coating)
Pigtail
adapters
To fuse pigtails to fibers, pigtail adapters are available for various connector types, al-
lowing the LID system to be used (see section 8).
Pigtail adapter
Pigtail adapters
e.g. for:
D4 plugs
LSA plugs
ST/II plugs
SC plugs
DIN plugs
FC plugs
E2000 plugs
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