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3. Installation
b)
If the wiring is not owned by British Telecom, either:
(i)
British Telecom
(ii)
The authorised maintainer
(iii)
A professional installer after 14 days written notice to the author-
ised maintainer.
Connect the telephone line as follows:
If the telephone line is already terminated with a suitable lead and plug then
insert the plug into the RJ11 connector (see Figure 17).
Otherwise (see Figure 18):
1.
Using a three core cable (type 1/05mm CW1308), strip back 5mm of
two cores and feed through one of the cable entries in the rear of the
9751 or 9752 casing. Connect the two cores to the terminals, A and B
on the built communicator.
2.
Connect the cable from the A and B terminals on the built in communi-
cator to the corresponding terminals on the BT master box.
3.
If other apparatus is required to share the telephone line with the built in
communicator (series apparatus), connect the main apparatus to the
series switched line connections marked A1, B1.
Caution: The connection of only one such series apparatus is allowed
to be connected between a main apparatus (e.g., telephone)
and the PSTN.
Take care to ensure that the A and B line are connected correctly ( i.e.
correct polarity). The built in communicator continuously monitors the line for
Ringing tones.
Primary
Line
Diverted
Line
A1
B1
B
A
5 or A
2 or B
BT master Box
(Exclusive Line)
Telephone line to other equipment
for example: Fax, answer machines.
Figure 18. Connecting the Built In Communicator
Summary of Contents for 9752
Page 1: ...HARDWIRED CONTROL PANELS INSTALLATION AND PROGRAMMING GUIDE...
Page 6: ...iv 496792 Contents...
Page 12: ...6 496792 1 Introduction...
Page 18: ...12 496792 2 Technical Description...
Page 38: ...32 496792 3 Installation...
Page 90: ...84 496792 5 Testing...
Page 95: ...Notes...