TRANSIT Ultimate | installation guide
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4.4.3
Tamper switch
The TRANSIT Ultimate features an internal tamper switch that indicates when the cover is opened. This contact may be
connected to an external alarm system. The contacts are normally closed when the cover is in place.
Tamper switches of multiple TRANSIT Ultimate readers may be connected in series.
Connections
TAMPER
Tamper switch contacts (normally closed)
TAMPER
“
Contact ratings
Max. switching current:
50 mA (0.5V voltage drop)
Max. switching voltage:
24 VDC
Figure 20: Tamper switch
OSDP
The tamper switch status will NOT be reported through OSDP messages.
TAMPER
