
16 496478
3. Installation
Connecting Keypads
Figure 11 shows the connections for any of the remote keypads.
Exit Terminate Button
To connect an exit terminate button use the "ET" connector terminals on the
keypad PCB. See Figure 11.
Sounders
Figure 11 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
0V12V CLK DATA ET
Exit terminate button
(NO, push to make)
16 Ohm Loudspeaker
(2 Max. in parallel)
Typical Internal Sounder
Control Unit
To other
keypads
OP3
OP2
OP1
TR
+
LS
CLK DATA
0V
12V
12V AUX
0V
12V AUX
0V
Figure 11. 9750 Keypad and Sounder Connections
Commenti su questo manuale