Mircom FleX-Net FX-2003-12NDS Installation And Operation Manual page 53

FNC-2000 Fire Netw ork Controller Module
The FNC-2000 Fire Network Controller modules are wired from terminals marked Line A, positive and negative (see
specific cable recommended in Figure 35 to the Line B terminals of the next FNC-2000 module. Use of shielded
cable is not recommended. Wire from Line B terminals to Line A of the next FNC-2000 module. Start from the
lobby panel and wire to all the FNC-2000, wiring the last FNC-2000 back to Line B of the first FNC-2000 at the lobby
panel for Class A.
Figure 35: Class A Wiring for the FNC-2000 Module
FNC-2000
FNC-2000
Network Wiring Specifications
Power-Limited and Supervised
Voltage: 9V Max
Current: 800mA
Frequency: 625K Hz
Line Loss: 25 ohms
4000 feet MAX wiring distance
with twisted pair 18 gauge wire.
CLASS A WIRING
Line B
FNC-2000
Line A
Line B
Line A
Line B
Line A
Line B
FNC-2000
Lobby Panel
Line A
FNC-2000
Line B
Line A
FNC-2000
Line B
Line A
FNC-2000
Line B
RECOMMENDED CABLE:
BELDEN 5320 UJ or 5320UM
Tyco Pyro CIC
Draka Lifeline
Line A
All above cables are 2x18AWG unshielded,
low capacitance
TM
FleX-Net Installation and Operation Manual
51