Campbell Company
Guardian Installation Manual
906-0056 Guardian Installation Manual Rev A.docx
© Dick Campbell Company 2020. All rights reserved
Page 11 of 11
5
Appendix A: Acronyms, Abbreviations
& Definitions
Term
Meaning
Adapter Plate (AP)
An aluminum plate that mounts to the base station to display
crosswalk signs.
Base Station (BS)
Fully integrated APS station that contains the microcontroller, push
button, speaker, adapter plate
Extended Press
On APS, holding the pedestrian push button down may activate
special features, including audible beaconing and extended
pedestrian clearance interval.
Intersection
Worksheet
Intersection Map of street names and station locations provided with
installation packet.
Signal Power
Interface (SPI)
Power Source that interfaces with Pedestrian Signal Head power for
Base Station Interface.
Station ID
Identification number of station for location and custom messaging