Install Manual

BRITECELL System Manual MN010-04 June 2003 Page 19 of 78
The company has a policy of continuous product development and improvement and we therefore
reserve the right to vary any information quoted without prior notice.
8. Warnings
9
CAUTION! do not remove or insert any module into TPR subrack, without prior
switching power supply off.
8.1. Connectors care and cleaning
Optical connectors for single mode fibers are designed for submicron tolerances.
Such a connector has an optical section of only 9 µm diameter. The rules below
must be carefully followed
9
Do not leave optical connectors open, as they will attract dirt.
9
Do not touch the connector tip. Clean it with a proper tissue before inserting it
into the sleeve.
If a better cleaning is needed, use pure ethyl alcohol. Sleeves may be cleaned by
injecting pure gas under pressure.
9
Do not attempt to insert connectors mechanically incompatible. This will result
in severe damage.
The optical connector is a high precision device. It must be handled with care, to
avoid scratches and other mechanical/optical damages that will impair or reduce
the system’s performance.
8.2. Laser caution
The TFL contains semiconductor lasers. Precautions should be taken when
handling, installing or servicing this equipment.
Invisible laser radiation may be emitted from the optical transmitter orifice at the
TFL local interface:
9
Do not stare into the beam or use optical instruments with powered
equipment.