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(E) POTTER RA-6500F <br /> The Symbol of Protection LCD Annunciator Flush Mount <br /> Installation <br /> The RA-650OF is connected to the PFC series or IPA series fire control panels using a four wire RS-485 connection.The connection is power limited <br /> and supervised. Up to thirty-one (31)RA-650OF LCD annunciators can be connected using Class B or Class A wiring. Class A wiring requires an <br /> optional Class A Expander. <br /> RA-650OF Class B Wiring Example RA-650OF Class A Wiring Example <br /> Fig 1 Fig 2 <br /> To the next device <br /> r <br /> n + m <br /> P-LINK + < <br /> + m + A B <br /> + < + + + + Panel + + <br /> + + LIN Connection + Expansion <br /> Panel Device <br /> Connection + , Expansion <br /> -LIN Device <br /> Om <br /> m < <br /> O < O + <br /> O + O Expansion <br /> Device <br /> O Expansion <br /> Device <br /> R.4-6500FFront View <br /> Fig 3 <br /> 0 0 <br /> C5 <br /> 10 <br /> � o 0 <br /> ® m <br /> Potter Electric Signal Company, LLC St. Louis, MO Phone: 800-325-3936 www.pottersignal.com <br /> 8830094-REV D 1/21 PAGE 2 OF 4 <br />