20
The control panel and peripherals
The Nexus package includes:
•
Nexus expansion board in a plastic enclosure
•
Remote antenna with 3 meters of cable
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 24:
Nexus - description of parts
A
Terminal board
B
Antenna connector
C
P1 button
D
P2 button
E
SIM card housing (SIM 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 25:
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
Table 26:
Nexus LEDs
LED
Function
ON
OFF
Communication
Indicates communica-
tion with the control
panel
The LED blinks during ongo-
ing communications
Not communicating
Emergency
Indicates communica-
tion failure with the
control panel
Blinks in the event of tam-
per or fault on the BUS
Normal communication with
the control panel
Faults
Indicates the presence
of faults
Blinks in the event of ongo-
ing 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 27:
Fault signaling
LED On
Fault
Communication
No Credit
Emergency
SIM card with PIN request
enabled
Faults
Communication problems
with the GSM module
A
B
E
F
G
H
L
M
C
D
I