Installation Guide
Table Of Contents
- Installation Guide
- Table of Contents
- List of Figures
- Chapter 1: Introduction
- Chapter 2: Site Installation
- 2.1 Scope of This Chapter
- 2.2 Wayside
- 2.3 On-board
- 2.4 Grounding
- Appendix A: Antenna Guidelines
- Appendix B: Terminology
- Appendix C: Revision History
FinMInstallationGuide DQ0266070/A.01 2‐48
TMUAntennas SiteInstallation
Figure2‐87:“Shark‐Fin”antenna‐bottomandtopviews
Notethefollowing:
• TheantennasshouldbemountedasclosetotheTMUaspossible.
• Trytominimizeobstructionsbetweentheantennasandthefrontofthetrainsuchas
air‐conditionerunits,electronicroutenumberdisplayboxesandthelike.
• MountAntenna1andAntenna2ontheedgeofthelocomotiveata45
o
angle,as
showninFigure 2‐88.AlsoseeTMU‐TBSantennaalternativeorientationoptionson
page 2‐48forotherpossibilities.
• MountAntenna3(center)ata90
o
angle(directlyup)asshowninFigure 2‐88.
• ConnecttheantennaportsoftheTMUtotheantennasasshowninFigure 2‐90.
Figure2‐88:TMUantennamountingconfigurationonroof
TMU‐TBSantennaalternativeorientationoptions
AlthoughFigure 2‐88,"TMUantennamountingconfigurationonroof"showsthemost
commonmethodofmountingtheTMUantennas,thereareotheroptions,andtheseare
shownhere:
FOR REGULATORY REVIEW