
3. Installation
496964 Page 29
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
(open when
door locked,
closed when
door open)
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 17. Keypad and External Sounder Connections (9851)
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