Communications Specialties Pure Digital FIBERLINK 3800 Series Manuel de l'utilisateur - Page 11

Parcourez en ligne ou téléchargez le pdf Manuel de l'utilisateur pour {nom_de_la_catégorie} Communications Specialties Pure Digital FIBERLINK 3800 Series. Communications Specialties Pure Digital FIBERLINK 3800 Series 12 pages. Video with 2-way data

Imprimer la page
If, after reviewing the above possibilities, the system is still not operating, please
contact the Customer Service Department for further assistance
The Pure Digital Fiberlink 3800 Series transmission units have been manufac-
tured using the latest semiconductor devices and techniques that electronic
technology has to offer. They have been designed for long, reliable, and trouble
free service and are not normally field repairable. Should difficulty be encoun-
tered, Communications Specialties maintains a complete service facility to ren-
der accurate, timely and reliable service of all products.
The only maintenance that can be provided by the user is to ascertain that
optical connectors are free of dust or dirt that could interfere with light trans-
mission and that electrical connections are secure and accurate.
All other questions or comments should be directed to our Customer Service
Department. It should be noted that many "problems" can easily be solved by
a simple telephone call.
multidrop mode. If this problem occurs, it may be that
your units are attempting to interface with other manu-
facturers' products that have resting states opposite to
the way in which the Fiberlink units are programmed.
(No standard exists.) You can compensate for this
condition by simply switching the polarities of the (+)
and (-) pins. To do this, first swap the Tx (+) and Tx (-)
pins with one another and then do the same for the Rx
(+) and Rx (-) pins. Make sure to do this on both the
transmitter and receiver units.

MAINTENANCE

10