Title: Hardware Installation Guide.pdf
pF/meter9841124.0 ohms/M3.35 ohms/M12012.842NEC CM CSA78.7 ohms/ km11.0 ohms/K9842224.0 ohms/M2.2 ohms/M12012.842NEC CM CSA78.7 ohms/ km7.2 ohms/K88102224.0 ohms/M15.5 ohms/M10012.9542NEC CMP CSA78.7 ohms/ km50.9 ohms/km528 — revision 6Hardware Installation GuideUpstream Host Communication Wiring (Port 1)TXD/TR1+RXD/TR1-RTS/R1 +CTS/R1 -GND2-WIREEARTH GROUNDPORT 1, CONFIGURED AS RS-485Wire Configuration – Switch #5 must be off for all panels in this configuration.105.1.3PowerThe BRI accepts either a 12 VDC or 12 VAC ± 15% power source for its power input. The power source should be located as close to the BRI as possible.Wire the power input with 18 AWG (minimum) twisted pair cable.For AC power sources, the following lines are required: AC Line (L), AC Neutral (N). These lines must not be interchanged. A 400 mA RMS current is required for AC power supplies.