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P C X S M S A N D P C X 2 5 6 S Y S T E M M A N U A L
7 . 7 T a m p e r S w i t c h
The Tamper switch that is already fitted onto the metal case connects via a plug-on connector to the tamper
pins on the PCX control panel as shown below:
7 . 8 M a i n s C o n n e c t i o n
MAINS ELECTRICITY IS DANGEROUS!
Mains connection must be performed by a qualified electrician, in accordance with electrical wiring
regulations (BS.7671).
The earth connection must be correctly made to the centre terminal of the mains block, and to terminal G1 of
the End Station, and of any intelligent power supplies.
Metal lids must be correctly connected to mains earth by the wiring loom provided, before securing in
position.
Note: The PCB ground connection is NOT a safety earth connection, but is for EMC filtering
purposes.
Warning: Always disconnect the mains supply before removing the cover and working on the
equipment.
7 . 9 S y s t e m C o n n e c t i o n s
Note: Never add equipment to the system with power applied, or damage can result.
Please refer to the following diagrams to identify the functions of all the terminals on PCX components. Note
that all components use the same identification for equivalent applications – e.g. D1, D2, D3 and D4 will
always be the RS-485 terminations, etc.
7 . 1 0 D i g i M o d e m C a r d
Information for installing the Digi Modem Card is shown separately on page 110.
7 . 1 1 E x p a n d e r C a r d
Information for installing the Expander card is shown separately on page 112. Please note that this is not
available on the PCX 26/SMS.
7 . 1 2 A c c e s s C o n t r o l a n d G u a r d T o u r E q u i p m e n t
Information for installing access control and guard tour equipment is shown in page: 138. Please note that
this is not available on the PCX 26/SMS.
Page: 28
COMMUNICATION CARD
CO MM S PG M S
EXPANSION CARD SLOT
TAM PER
RS232
NC 1
C1
NO 1
PGMS
NC 2
RESET
C2
F1
NO 2
AUX+
SPK
BELL
TR
B-
F3
F4
B +
F2
ENGIN EE R
KE YPAD
Tamper Switch
A-1
B-1
A
B
F5
BATT ERY
CO NNE C T
RINS871-3
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