2. Technical Description 9752 Installation Guide
Page 12 497098 Issue 3
Control Unit PCB Layout
Figure 3 shows the layout of the PCB used in the control unit.
3
1
2
4
5
6
7
10
9
11
12
13
8
1. Outputs (2 voltage free; 1 open collector) 9. NVM Reset pins
2. AUX power 10. Plug-by (standalone) communicator connector
3. Lid tamper connector 11. Battery connector
4. Zone connectors 12. Kick Start pins
5. Keypad and expander bus (bus 2 not fitted) 13. 21VAC from transformer
6. Telephone line terminals for built-in communicator
7. Telephone line socket for built-in communicator
8. Local Downloader connector
Figure 3. Control Unit PCB Layout