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By means of centralized arming/disarming commands each addressable zone of a Fire Threshold Ad-
dressable loop of the Signal-10 (loop of Type 14, to which this addressable zone was assigned during
the device configuring) can be armed or disarmed independently (against local control, see above).
With centralized partition control, codes of electronic identifiers (keys) are written not to the device
memory but to the network controller database with relevant access rights (see the Manual for the net-
work controller being in use).
After reading a presented identifier, the device transfers it’s code to the network controller over the RS-
485 interface. During this process the reader LED flashes red and green alternately (5 flashes per se-
cond) until the network controller responses. This process can take from fractions of a second to sever-
al seconds depending on the number of devices connected to the RS-485 interface.
If the presented key has privileges to arm/disarm this partition, the reader LED indicates the current
status of the partition (Table 10). After presenting this key again the partition is armed, provided that it
was disarmed, or it is disarmed otherwise. Each next presenting of the key to a reader leads to the ac-
tion opposite to the previous one, i.e. if the 2-nd presenting of the key to the reader caused arming of
the partition, then the 3-d presenting of the key to the reader will cause disarming of the partition. If the
key has limited access rights for the partition, for example, only arming is enabled, this key will always
cause arming without regard to a current partition status.
Table 10. Reader LED Indication Depending on Partition Statuses
Partition Status Reader LED Behavior Light Color
Disarmed Off -
Armed On
Yellow
(Green + Red)
Intrusion Alarm, Fire Alarm,
Fire Prealarm, Arming Failed
Flashes twice per second Yellow
Trouble
(in fire partition)
Flashes five times per second Yellow
If the network controller cannot recognize the presented identifier, or the identifier has no access rights
for the partition, or another key is presenting to a reader when the current key is active, then the device
rejects access for the key. In such a case the reader LED flashes 3 times followed by the red steady
operation.