Installation manual
Control panel and peripherals 15
If the system is completely without peripherals on the I-BUS, the yellow LED will be either ON
or OFF permanently.
If the LED is ON or OFF permanently in situations other than those previously described, it
indicates that the I-BUS is blocked. This condition can be confirmed by checking the loss of
interactivity with readers, expansions or keypads.
RED COMM LED
The Red LED ON solid indicates an ongoing:
• phone call (on the PSTN line or through Nexus)
• sending of SMS text message
• SIA-IP communication
2-1-4
ATS Categories
Prime control panels used alone or together with any of the following described optional
devices constitute an SPT (Supervised Premises Transceiver) which can be used to create an
ATS (Alarm transmission System) as defined in EN 50136-1 and EN 50136-2 standards.
The maximum ATS categories achievable with SPT configurations and the main
communication channel used together with the respective parameters are shown in the
following tables.
2-1-5
Events log memory
The control panel events are saved to a non-volatile semiconductor-memory which does not
need to be powered to ensure data retention.
The electrical characteristics of semiconductor devices diminish over time. However, a
minimum period of 40 years data retention is guaranteed.
2-1-6
I-BUS interconnections
Prime control panels are equipped with a 4-wire BUS for peripheral interconnections (2 power-
supply wires and 2 data exchange wires, refer to paragraph 3-2-1 Connecting to the I-BUS
line).
The intellectual property rights regarding the electrical, structural and protocol features of the
BUS are the sole property of INIM Electronics s.r.l.
The I-BUS is not a RS485 differential BUS.
Table 2-9: ATS categories based on configurations
SPT Configurations
SPT primary network inter-
face
ATS Categories
Prime con-
trol panels
Nexus
Nexus/G -
3G-4G
PrimeLAN PrimeWiFi
Single Path
(SP)
Dual Path
(DP)
X
Internet 6 2
XX
XX X
XX
Internet or GSM/GPRS/UMTS/
HSPA
64
XX
XXX
XXX
Table 2-10: ATS Parameters
ATS Categories
Transmission time
Time relation
Replacement
security
Information
security
Operating mode
Classification Maximum values
Single Path
2 D2 (60s) M2 (120s) T2 (25h) S0 I0
Pass-through
6 D4 (10s) M4 (20s) T6 (20s) S2 I3
Dual Path
2 D3 (20s) M3 (60s) T3a (30min) S0 I0
4 D4 (10s) M4 (20s) T5 (90s) S2 I3
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