3. Installation 9751 Installation Guide
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Connecting Expanders
9954 Hardwired Expander
The 9954 hardwired expander provides connectors for eight CCL, FSL or EOL
zones (EOL zones are not relevant for the 9751). Figure 15 shows the layout
of the PCB. See the wiring diagram supplied with the 9954 hardwired
expander for more details.
0V 12V CLK DATA
FSL
EOL
AT5
AT6
CCT5
CCT6
AT7
AT8
CCT7
CCT8
2
3
4
AT1
AT2
CCT1
CCT2
AT3
AT4
CCT3
CCT4
FSL
EOL
Four-wire CC
Two-wire FSL
Two-wire EOL
1
2
3
4
5
7
6
1. Zone connectors 5. Address jumpers
2. Lid tamper switch 6. Zone connectors
3. Spare connectors (not connected) 7. CCL/FSL/EOL
4. Keypad bus
Figure 15. 9954 Expander
RFX08/RFX16 Radio Expander
The RFX08/RFX16 are Class VI radio expanders. Class VI is the grading
given by the British standard for Wirefree Alarm Systems and is required for
signalling systems that require a police response. It receives signals from the
radio detectors on a frequency of 868.6625MHz.
The RFX08 radio expander supports eight wirefree zones, while the RFX16
supports 16. Figure 16 shows the layout of the PCB in both models.
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