Install Guide

SENSIT SYSTEM | MANUAL
Frequently Asked Questions
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How does the overstay sequence work?
The accuracy of detection is of critical importance when using the information for
enforcement applications. You want to avoid issuing unjustified tickets. In the table
below the whole overstay sequence and how to check an overstay is explained.
Event
T
SENSIT
SIS
Car parked
t1
Detected optical +
magnetic
Overdrive
filter (8s)
passed.
t2
Event created and
transmitted,
including;
sequence number,
t2
Event at DC
t3
t4
Event stored in
database, including; t2,
t3 and t4. SIS verifies
sequence number
No change
after 1 hour
t5
Event (created at
t2) retransmitted
t6
Event already stored,
so ignored by SIS
Overstay time
elapsed
t7
Bay status changed
into: overstay, verify
request transmitted
Verify
message
received
t8
Last event (created
at t2) is
retransmitted
Verify event
received
t9
Bay status changed
into: verified overstay
Enforcement officer is notified and arrives at the bay, enforcer sends
verification request
API request
received
t10
Verify request
transmitted
Verify
message
received
t11
Last event (created
at t2) is
retransmitted
Verify event
received
t12
Bay status answered
via the API
Enforcer receives verification and can decide to issue a ticket after his final
observations.
How do we know when a SENSIT or Relay Node is working well?
Looking at the Dashboard you get a good overview of the system performance. With
the node cross check menu on the SIS you can detect if all SENSIT sensors are still
communicating. Logged in as an advanced user it is possible to get a graphical
overview of the performance of the wireless SENSIT network.