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9.0
Telephone Connections
The control panel connections (Terminals A and B –
see Figure 1 and Table 1) must be connected directly
to the incoming telephone line, which must provide a
direct connection to the telephone system (not via a
PABX or other network).
All wiring must be carried out within the master
terminal box provided by the telephone company and,
if fitted with a socket, this must not be used to
connect another device (blank master connecting
boxes are available from your telecom company upon
request).
Use insulating tape to cover the socket opening if
necessary. Make the connections using four-core
solid cable (type 1/0.5 CW1308) designed for
telephone use (do not use alarm connecting cable).
If the master box has IDC type terminals, use the
correct tool to make the connections, not a
screwdriver or other makeshift device. Ensure that the
earth connections are made using 1-mm cable to a
good ground connection. All cables should be
separated from the mains wiring by at least 300 mm.
See Figure 4 for details.
DS7240-UK
B
A
B1
A1
Figure 4: Telephone Connections
10.0 Arming Device Installation
10.1
Keypad Addressing
Addresses are assigned by setting jumper pins.
Keypads 1 to 8 are assigned to Data Bus Addresses
1 to 8.
Table 2 shows the correct address setting for each
keypad address. See Figure 5 for correct jumper plug
orientation.
Keypad Address Pins
Keypad
1
2
Address
0*
OFF
OFF
ON
1
OFF
ON
2
OFF
ON
ON
3
4
OFF
OFF
ON
5
OFF
ON
6
OFF
ON
ON
7
8
OFF
OFF
Table 2: Keypad Address Pin Settings
DS7240-UK Reference Guide
Telephone
Socket
2 (or B)
5 (or A)
To other telephone devices
(fax machines, answer phones, etc.)
4
8
16
MODE
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
Copyright © 2003 Bosch Security Systems
* Address 0 is reserved for the installer's keypad. This
keypad is not intended for permanent installation and
should remain on-premises for future programming
sessions.
Jumper Plug ON
(covers both pins)
10.2
Keypad Installation
Consult your keypad's installation manual for
complete installation instructions. Keypads connect to
the panel in parallel as shown in Figure 6.
Terminal Strip
DS7445i/DS7447E Keypad
See Table 3 for DS7240-UK Data Bus to Keypad wire
length requirements.
DS7240-UK to Keypad
DS7240-UK to Keypad using an
External Power Supply
If an external power supply is used, follow the lengths
as shown in Table 3.
See Section 1.3 Power Outputs on page 7 to
ON
determine the total power output requirements for
ON
your system. You may need to add one or more
ON
external power supplies for the number of keypads
you want to use. Figure 7 shows an external power
ON
supply powering a keypad in a stand-alone
ON
configuration.
ON
ON
ON
Jumper Plug OFF
Figure 5: Jumper Plug Configuration
+12 VDC
Red
Black
Com
Data In
Data Out
NOTE: You may use either Aux
Power (-) or 12 VDC (+) terminal
when connecting devices to the
DS7240-UK.
Figure 6: Wiring a Keypad to the Panel
#22 AWG
(0.8 mm)
1,000 ft.
1,000 ft.
Table 3: Keypad Wire Lengths
P/N: 4998122677Cr1 Page 11
PART II: SYSTEM INSTALLATION AND SETUP
or
or
DS7240-UK
Green
Yellow
R
Y
G
B
#18 AWG
(1.2 mm)
2,000 ft.
(305 m)
(610 m)
2,000 ft.
(305 m)
(610 m)
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