Chapter 1: Installation and wiring
P/N 3102352-EN • REV 005 • ISS 28DEC18 13
Note: For a complete list of devices that can be connected to this circuit, refer to FX-64 and
FX-1000 Series Compatibility List (P/N 3102355-EN).
Caution: The FX-2WIRE module cannot be used on a device loop with isolator modules or
isolator bases.
Device address assignment
The device address assignment on each loop for the FX-1000 panel is as follows.
Table 5: Loop device address assignment
Available addresses
Address 001 through address 125
Address 201 through address 325
Circuit specifications
• Class B, Class A, or Class X
• Communication line voltage: Maximum 20.6 V peak-to-peak
• Circuit current: 0.5 A max.
• Allowable circuit resistance: 66 Ω max.
• Allowable circuit capacitance: 0.5 µF max.
• Resistance between isolators: Limited only by overall wire run lengths
• Isolators: 64 maximum per loop (total both isolator bases and modules)
• Ground fault impedance: 0 to 5 kΩ
• Power-limited and supervised
• Synchronization: Signal synchronization is supported on a system-wide basis (all device
loops) when using an FX-NAC or FX-T3T4 addressable notification appliance circuit (NAC)
modules and Genesis or Enhanced Integrity notification appliances.
Installation limits are subject to acceptance by the AHJ.
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