87
edits
Laboratory 24/Alarm cabling: Difference between revisions
From London Hackspace Wiki
→Front Door + PTS
(Created page with '= Overview = The original control unit has been removed, but the frame in which is sat is still present and affixed to the wall above the electrical distribution. All cable runs …') |
|||
| Line 26: | Line 26: | ||
; Green/white | ; Green/white | ||
: Push to secure (the switch on the outside of the front door. Originally this would have been used to signal that the last occupant had left and the building was properly secure) | : Push to secure (the switch on the outside of the front door. Originally this would have been used to signal that the last occupant had left and the building was properly secure) | ||
: NO circuit, goes short when button pushed | : NO circuit (at 4k7) , goes short when button pushed | ||
; Other pairs unused | ; Other pairs unused | ||
