18
The control panel and peripherals
Installation and Programming Manual
The terminals for the BUS connection are as follows:
Peripheral activity LED signals are as follows:
After activation of the Fault LED (indicating a fault is present), you can obtain
further information regarding the cause of the fault by simply pressing button P2
[D]. The successive activation of the Emergency and Fault signaling LEDs will
signal as follows:
You can obtain an indication of the GSM reception level by simply pressing button
P1 [C] and observing the number of LEDs which light amongst the
Communication, Emergency and the Fault LEDs (viewing lasts 5 seconds):
•
1 LED - weak reception
•
2 LED - good reception
•
3 LED - excellent reception
Table 20:
Nexus - description of parts
A
Terminal board
B
Antenna connector
C
P1 button
D
P2 button
E
SIM card housing (non included)
F
Buzzer
G
Open-tamper microswitch
H
Communication LED (green)
I
Emergency LED (red)
L
Fault LED (red)
M
Connection LED (green)
Table 21:
Nexus terminal board
n.
Icon/
Identifier
description
1
+
Terminal “
+
” for the I-BUS connection
2
D
Terminal “
D
” for the I-BUS connection
3
S
Terminal “
S
” for the I-BUS connection
4
-
Terminal “
-
” for the I-BUS connection
A
B
E
F
G
H
L
M
C
D
I
Table 22:
Nexus LEDs
LED
Function
ON
OFF
Communicatio
n
Indicates
communication with
the control panel
The LED blinks during
ongoing communications
Not communicating
Emergency
Indicates
communication failure
with the control panel
Blinks in the event of
tamper or fault on the BUS
Normal communication with
the control panel
Faults
Indicates the presence
of faults
Blinks in the event of
ongoing faults
No faults present
Connection
Indicates the status of
the GSM network
•
Slow blinking -
Searching for the
provider
•
Fast blinking - Provider
found
Device Off
Table 23:
Fault signaling
LED On
Fault
Communication
No Credit
Emergency
SIM card with PIN request
enabled
Faults
Communication problems
with the GSM module
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