FinMDeploymentGuide Release4.5.10 2‐47
TMUAntennas SiteInstallation
Figure2‐78:AttachingaDINrackholdertothePoE
Figure2‐79:AttachingaPoEtoaDINrack
2.5.5TMUAntennas
EachTMUneedsthree“Shark‐Fin”roofantennasmountedontheroofofthelocomotive
ascloseaspossibletotheTMU:
Figure2‐80:“Shark‐Fin”antenna‐bot tomview
Whatevermountingarrangementisadopted:
• TheantennasshouldbemountedasclosetotheTMUaspossible.
• Trytominimizeobstructionsbetweentheantennasandthefrontofthetrainsuchas
air‐conditionerunits,electronicroutenumberdisplayboxesandthelike.