4. System Configurations
497096, Issue 6 Page 83
The Installer places one keypad in each office and one in the lobby. During
programming, the Installer assigns each keypad to one partition, making the
lobby Partition D, and assigns zone 1 to Partitions A, B, C and D, making it
the common area. The Installer then assigns a user code for the cleaners to
Partition D.
Partition D remains set during the day. Partitions A, B and C are unset, so the
control unit leaves the common area unset. When users A, B and C leave at
the end of the day the control unit sees that all partitions are set and sets the
common area.
When the cleaners arrive in the evening, they open zone 1 and the control
unit starts the entry timer. The cleaners unset Partition D and the control unit
unsets the common area but leaves Partitions A, B and C set. When the
cleaners have finished, they set Partition D again and the control unit sets the
common area. In the morning, the first user to arrive unsets their partition, and
the control unit unsets the common area, leaving the other partitions
(including D) set.
If you do not use a common area and simply assign the lobby to Partition D,
you still have the problem of ensuring that the last user to leave sets Partition
D. If they forget, the lobby is unprotected in the time between the users
leaving and the cleaners arriving.
Note: You cannot use plug-on or plug-by communications in this scenario. Partition D is
set while Partitions A, B and C are unset. Partitions A, B and C are set while
Partition D is unset. Therefore, the plug-on or plug-by communicator would indicate
a closed system all the time.
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