93-530-70 Issue 0 Page 15 of 44 © Protec Fire Detection PLC 2007
11.0 Internal Expansion Port
The 3300 can accept various internal interfaces, these must be located within the 3300 panel
enclosure. The interfaces currently available are:
• Fire Link Interface, a maximum of one per panel.
• 8 way Volt free contact zonal fire / fault mimic. A maximum of one per panel.
These interfaces connect using the 10 pin expansion port (J2) located at the middle left of the Main
PCB. If both the fire link and the 8 way mimic interfaces are used, the fire link must be connected to
the 3300 then the 8 way mimic to the fire link interface.
Consult the relevant interface installation sheet for further details.
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