Cooper Security 9751 Manuel d'installation Page 36

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3. Installation
Page 28 496964
Connecting Entry/Exit Devices and External Sounders
Figures 16 and 17 show the connections for keypads, Exit Terminate buttons,
lock switches and internal/external sounders.
Use the "ET" connector terminals on the keypad PCB to connect an Exit
Terminate button or lock switch. If you are using a lock switch, do not connect
any other devices to these terminals.
Bell Strobe
Bell
-ve Tamper Return
-ve Hold Off
+ve Hold Off
-ve Apply trig
Typical SAB (9751)
4-core
9930 Keypad
-ve+ve
0V12V CLK DATA ET
Lock Switch
Or
Exit terminate button
(NO, push to make)
16 Ohm Loudspeaker
(2 Max. in parallel)
Typical Internal Sounder
Internal Sounder as for 9751
9751 Control Unit
To other
keypads
OP1
OP2
OP3
TR
+
LS
CLK DATA
0V
12V
12V AUX
0V
12V AUX
0V
Bell Strobe
Bell
-ve Tamper Return
-ve Hold Off
+ve Hold Off
-ve Apply trig
Typical SAB
(9752)
-ve+ve
9752 Control Unit
9751 or 9752 Control Unit
C2
NO2
NC1
C1
NO1
NC2
OP3
TR
+
LS
12V AUX
0V
12V AUX
0V
Figure 16. Keypad and External Sounder Connections (975x)
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