Designed specifically for the building automation and controls industry, AT-HOM 29 grade wire is the preferred choice among system manufacturers, and building automation specialist.The RS485-8211 is an optimized, low cap, Triad shielded communication cable for MSTP signal, specifically made for bacNet, Modbus and N2.At less than 12pf capacitance and 38Ohms impedance, it maximizes system performance, simplifies installation, and ensures consistency and inter-operations over multiple protocols.
Overall Diameter5.156 mmBending Radius63.5 mmWeight47 kgs/kmCapacitance A*12.192 pf/mImpedance38 OhmsConductor Resistance at 20°C1.692 Ohms/km
This communication cable is approved for :ModBusBacNet Johnson N2For use with KMC Controls, Tridium, Johnson N2, Alerton, Distech, Viconics, Christal Controls, ZoneAir, Seimens, and many more. 1000' boxes (300m)Orange Jacket Read why you need 3 wires for a 2 wire RS485http://www.chipkin.com/rs485-cables-why-you-need-3-wires-for-2-two-wire-rs485/