
28
Installation
Anti-intrusion control panels
4-2-2
Installing nBy/S readers
The wall-mount nBy/S reader is suitable for indoor and outdoor installation.
Insert the two anchor screws (included) into the two screw locations on the back of the plastic
enclosure.
ATTENTION!
Do not pierce the silicone seal as this will jeopardize the waterproofing of the enclosure.
insert the screws before fitting the seal.
4-2-3
Installing nBy/X readers
The flush mount By/X reader (Registered patent) has been especially designed to integrate
with all brands of cover plates. It is possible to use any type of cover plate by drilling two
holes for insertion of light guide.
Use the adhesive drill-pattern (see opposite) to mark the drilling locations accurately.
1. Ensure that the centre of the cover plate coincides with the crossing of the axes x and y
on the drill-pattern. In this way, the two drilling locations (1 x 7mm diameter and 1 x
8mm diameter) will be indicated precisely.
2. Using the screw, supplied with the reader, assemble and secure the reader components.
3. Insert the cover plate (with the reader already assembled) into the light switch box.
DISLODGEMENT
TAMPER
The nBy/X reader is not equipped with built-in dislodgement-tamper protection. However, the
following section describes how to protect nBy/X reader against this manner of tamper.
Please note that in order to comply with security standards, all the system peripherals must
be protected against tamper. Installation of a microswitch will allow the reader to signal
tamper events. To obtain this type of protection, work carefully through the following steps.
1. Use a microswitch with at least two normally-open contacts
[A]
. The one shown in fig-
ure 3 has 3 contacts: COM-NO-NC.
2. Configure one of the terminals as follows: Input; 24H; “Tamper reader x” as descrip-
tion; single balancing with 6K8
ƻ
[B]
resistor; unlimited alarm cycles, assigned to a
partition that can be viewed on at least one keypad.
3. Using 2 wires, connect the microswitch to the 24H input terminal.
4. On the microswitch:
4.1. identify the common contact (COM) and connect it using one of the two wires to the
GND terminal of the 24H terminal
[C]
.
4.2. identify the normally open contact (N.O., that is the contact that generates a short-
circuit between the contact itself and the COM contact when the switch lever is
Table 4-3: nBy/S installation
A
Cover
B
PCB
C
Silicone seal
D
Back
E
Screw
'
$
&
%
(
(
Table 4-4: nBy/X installation
A
Reader
B
Cover plate
C
Light guide
D
Screw
$
%
&
'
$
%
&
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