: Wik ipedia ▁articles ▁incorpor ating ▁text ▁from ▁the ▁Dictionary ▁of ▁American ▁Naval ▁A viation ▁Squad rons <0x0A> </s> ▁R S - 4 8 5 , ▁also ▁known ▁as ▁T IA - 4 8 5 (- A ) ▁or ▁E IA - 4 8 5 , ▁is ▁a ▁standard ▁defining ▁the ▁elect rical ▁characteristics ▁of ▁drivers ▁and ▁rece ivers ▁for ▁use ▁in ▁serial ▁communic ations ▁systems . ▁Elect rical ▁signal ing ▁is ▁bal anced , ▁and ▁multip oint ▁systems ▁are ▁supported . ▁The ▁standard ▁is ▁joint ly ▁published ▁by ▁the ▁Tele communic ations ▁Indust ry ▁Association ▁and ▁Electron ic ▁Indust ries ▁Alliance ▁( T IA / E IA ). ▁Digital ▁communic ations ▁networks ▁implementing ▁the ▁standard ▁can ▁be ▁used ▁effectively ▁over ▁long ▁distances ▁and ▁in ▁elect r ically ▁no isy ▁environments . ▁Multiple ▁rece ivers ▁may ▁be ▁connected ▁to ▁such ▁a ▁network ▁in ▁a ▁linear , ▁mult id rop ▁bus . ▁These ▁characteristics ▁make ▁R S - 4 8 5 ▁useful ▁in ▁industrial ▁control ▁systems ▁and ▁similar ▁applications . ▁ ▁Over view ▁ ▁R S - 4 8 5 ▁supports ▁in exp ensive ▁local ▁networks ▁and ▁mult id rop ▁communic ations ▁links , ▁using ▁the ▁same ▁differential ▁signal ing ▁over ▁tw isted ▁pair ▁as ▁R S - 4 2 2 . ▁ ▁It ▁is ▁generally ▁accepted ▁that ▁R S - 4 8 5 ▁can ▁be ▁used ▁with ▁data ▁rates ▁up ▁to ▁ 1 0   M bit / s ▁or , ▁at ▁lower ▁spe eds , ▁distances ▁up ▁to ▁. ▁ ▁As ▁a