025-000554 REV X7
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FIGURE 1 - OTOT-870-xx and OTOT-1000-xx MOUNTING DIAGRAM
OPTICAL CONNECTORS AND CLEANING
The standard optical connector is an SC/APC. In order to use FC/APC connectors, you must order a conversion kit,
OTLL-SCFCKIT. The standard optical connector location is on the opposite side from the RF connector. The connector
can be moved to the other side by swapping it with a cover plate. Only a screwdriver is required for this operation.
The fiber ends can be damaged by the insertion of contaminated connectors. Some types of customer damage to
connectors are not covered under warranty. Fiber connectors should never be left uncovered. Prepackaged alcohol
wipes are the most convenient means of cleaning optical connectors. Clean alcohol and lint free wipes or swabs may
also be used.
INTERNAL CONTROLS
There are no internal user adjustments. The only reason to open the unit would be to move the fiber connector to the
other end of the unit. This should be done before the unit is attached to a rack mount kit. The unit should not be
operated for long periods of time without a top cover. This can cause RF radiation and ingress problems. The internal
cooling is also reduced when uncovered.
Be sure to replace and tighten all top cover screws. Oscillation or RF radiation can be caused by loose or missing
screws.
There is no user adjustable internal laser power adjustment. Any change to the laser power will result in poorer
modulation characteristics and reduced link performance.
