CDX800 DESCRIPTION
2.15. Mechanical and inbuilt dimensions and recommendation for
mounting
For majority applications with built-in modem in switch board it is possible recognize
two sort of environment:
•
no public and industry environment of low voltage with high interference,
•
public environment of low voltage without high interference.
For both of these environments it is possible to mount modems to the switch board,
which it doesn't need to have no examination immunity or issues in connection with EMC ac-
cording to EN 60439-1 ed.2.
For compliance of EN 60439 - 1 ed.2 specification it is necessary observe next as-
sembly of the modem to the switch - board:
•
we recommended to using external antenna except switch-board it is necessary use fit
over-voltage wardships (lightning arrester), we recommend coax cable LMR195,
•
for single cables we recommend to bind the bunch according to the following picture,
for this use we recommend:
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