5. ROUTER DESIGN
5.6 Mechanical dimensions and mounting recommendations
Mounting recommendations:
• possibility to be put on a work surface,
• DIN rail with clips CKD2 (ELPAC clip SL for metal version) are included.
For the most of applications with a built-in router in a switch board it is possible to recognize
two kinds of environments:
• 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 router to a switch board, the following
there is no need to have examination immunity or issues in connection with EMC according to
EN 60439-1 ed.2:00 + A1:04.
For compliance of EN 60439-1 ed.2:00 + A1:04 specification it is necessary to observe next
assembly of the router to the switch – board:
• for whip antennas we recommend to observe a distance of 6 cm from cables and metal
surfaces on every side according to the next picture due to the elimination of interfer-
ence, while using an external antenna except for the switch-board it is necessary to fit a
lightening conductor,
• before mounting a router on sheet-steel we recommend using an external antenna,
Figure 12: Space around antennas Figure 13: Space around antennas for SL
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