Cooper Security 9853 Guida di Installazione Pagina 22

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16 496791
3. Installation
Keypad Backlight
When supplied from the factory the control unit is configured with the keypad
backlight ON. To turn the keypad backlight OFF remove the jumper from the
"ON BACKLIGHT" link, shown in Figure 8.
Connecting Keypads, Exit Terminate Buttons, Lock Switches
and Sounders
Figure 9 shows the connections for any of the remote keypads.
To connect an exit terminate button use the "ET" connector terminals on the
keypad PCB.
Use the "ET" connector terminals to connect a Lock Switch. If using a lock
switch do not connect any other device to the "ET" terminals.
Figure 9 shows the connections for the internal and external sounders.
Bell Strobe
Bell
-ve Tamper Return
-ve Hold Off
+ve Hold Off
-ve Apply trig
Typical SAB
4-core
9930 Keypad
-ve+ve
0V 12V CLK DATA ET
Exit terminate button
(NO, push to make)
OR Lockswitch
16 Ohm Loudspeaker
(2 Max. in parallel)
Typical Internal Sounder
6-core
NO
NC
C
NO
NC
ST
C
12V
12V
0V
0V
TR
LS
O/P3
O/P4
0V
12V
DATA
CLK
To other
keypads
2k2
See note
Note: Fit a 2k2 resistor for EOL tamper
return, see Command 59.
Figure 9. 9851 Keypad and Sounder Connections
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