<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<text>V. Slyngstad</text>
<text>RS-232 DCE / 20ma Current Loop</text>
<text>with RDR-RUN</text>
<text>+5V</text>
<text>RX-</text>
<text>GND</text>
<text>RX+</text>
<text>Relay+</text>
<text>TX+</text>
<text>TX-</text>
<text>Relay-</text>
</plain>
<libraries>
<library name="maxim">
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="C050-025X075">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5 mm, outline 2.5 x 7.5 mm</description>
</package>
</packages>
</library>
<library name="optocoupler">
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-subd">
<packages>
<package name="F25H">
<description>&lt;b&gt;SUB-D&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-amp-mt">
<packages>
<package name="S08P">
<description>&lt;b&gt;AMP MT CONNECTOR&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jumper">
<packages>
<package name="0R/10">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</description>
</package>
<package name="05">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="dec-con">
<description>DEC Edge Connectors and Parts</description>
<packages>
<package name="THRU-HOLE1">
<description>&lt;b&gt;PIN HEADER (.125")&lt;/b&gt;</description>
</package>
<package name="SINGLE">
<description>Single-Height DEC board</description>
</package>
<package name="EDGE-CON1">
<description>Single-sided Edge Connector</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="maxim" package="DIL16" value="MAX232A">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="OC_NEWARK" value="68K4544"/>
<attribute name="MPN" value="MAX232ACPE+"/>
<attribute name="MF" value="MAXIM"/>
<attribute name="OC_FARNELL" value="9723773"/>
</element>
<element name="R2" library="rcl" package="0207/10" value="470">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="rcl" package="C050-025X075" value=".1uf"/>
<element name="C2" library="rcl" package="C050-025X075" value=".1uf"/>
<element name="C3" library="rcl" package="C050-025X075" value=".1uf"/>
<element name="C4" library="rcl" package="C050-025X075" value=".1uf"/>
<element name="OK2" library="optocoupler" package="DIL16" value="ILQ1">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="OC_NEWARK" value="88K1954"/>
<attribute name="MPN" value="ILQ1"/>
<attribute name="MF" value="VISHAY/TELEFUNKEN"/>
<attribute name="OC_FARNELL" value="1469501"/>
</element>
<element name="R6" library="rcl" package="0207/10" value="5.1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="rcl" package="0207/10" value="250">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="rcl" package="0207/10" value="250">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="rcl" package="0207/10" value="680 1/2W">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="rcl" package="0207/10" value="470"/>
<element name="X1" library="con-subd" package="F25H" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R3" library="rcl" package="0207/10" value="470"/>
<element name="SV1" library="con-amp-mt" package="S08P" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="J1" library="jumper" package="0R/10" value="0"/>
<element name="J2" library="jumper" package="05" value="J5MM"/>
<element name="U$2" library="dec-con" package="THRU-HOLE1" value="THRU-HOLE1"/>
<element name="U$3" library="dec-con" package="SINGLE" value="OUTLINE-SINGLE"/>
<element name="U$4" library="dec-con" package="EDGE-CON1" value="EDGE-1"/>
</elements>
<signals>
<signal name="VCC">
<contactref element="R2" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="R5" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R8" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="IC1" pad="16"/>
<contactref element="SV1" pad="1"/>
<contactref element="U$4" pad="A2"/>
<contactref element="U$4" pad="A2"/>
<contactref element="U$2" pad="A2"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="1"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="3"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="IC1" pad="2"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="IC1" pad="6"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="RX-EIA">
<contactref element="IC1" pad="13"/>
<contactref element="X1" pad="2"/>
</signal>
<signal name="DTR-EIA">
<contactref element="X1" pad="20"/>
</signal>
<signal name="TX-EIA">
<contactref element="IC1" pad="14"/>
<contactref element="X1" pad="3"/>
</signal>
<signal name="N$1">
<contactref element="C2" pad="1"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="N$2">
<contactref element="C2" pad="2"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="RX+20MA">
<contactref element="R5" pad="1"/>
<contactref element="SV1" pad="4"/>
</signal>
<signal name="20MA-DATA">
<contactref element="OK2" pad="10"/>
<contactref element="R6" pad="1"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="N$15">
<contactref element="OK2" pad="5"/>
<contactref element="J1" pad="2"/>
</signal>
<signal name="TX-20MA">
<contactref element="OK2" pad="11"/>
<contactref element="SV1" pad="7"/>
</signal>
<signal name="TX+20MA">
<contactref element="R8" pad="2"/>
<contactref element="SV1" pad="6"/>
</signal>
<signal name="RELAY-">
<contactref element="OK2" pad="15"/>
<contactref element="SV1" pad="8"/>
</signal>
<signal name="RELAY+">
<contactref element="R4" pad="1"/>
<contactref element="SV1" pad="5"/>
</signal>
<signal name="RDR-RUN">
<contactref element="IC1" pad="9"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="IC1" pad="12"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="OK2" pad="4"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="GND">
<contactref element="C4" pad="2"/>
<contactref element="OK2" pad="9"/>
<contactref element="OK2" pad="13"/>
<contactref element="OK2" pad="12"/>
<contactref element="OK2" pad="6"/>
<contactref element="OK2" pad="3"/>
<contactref element="OK2" pad="7"/>
<contactref element="X1" pad="1"/>
<contactref element="X1" pad="7"/>
<contactref element="IC1" pad="10"/>
<contactref element="IC1" pad="15"/>
<contactref element="OK2" pad="2"/>
<contactref element="SV1" pad="3"/>
<contactref element="U$4" pad="C2"/>
<contactref element="U$2" pad="C2"/>
</signal>
<signal name="RX-20MA">
<contactref element="OK2" pad="8"/>
<contactref element="SV1" pad="2"/>
</signal>
<signal name="CTS-EIA">
<contactref element="X1" pad="4"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="RTS-EIA">
<contactref element="X1" pad="5"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="DSR-EIA">
<contactref element="X1" pad="6"/>
<contactref element="IC1" pad="7"/>
<contactref element="J2" pad="1"/>
</signal>
<signal name="EIA-DATA">
<contactref element="R2" pad="1"/>
<contactref element="OK2" pad="14"/>
<contactref element="J1" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="OK2" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="-15V">
<contactref element="OK2" pad="16"/>
<contactref element="U$4" pad="B2"/>
<contactref element="U$2" pad="B2"/>
</signal>
<signal name="N$5">
<contactref element="U$4" pad="V2"/>
<contactref element="U$2" pad="V2"/>
<contactref element="U$2" pad="V2"/>
</signal>
<signal name="N$6">
<contactref element="U$4" pad="U2"/>
<contactref element="U$2" pad="U2"/>
<contactref element="U$2" pad="U2"/>
</signal>
<signal name="N$7">
<contactref element="U$4" pad="T2"/>
<contactref element="U$2" pad="T2"/>
<contactref element="U$2" pad="T2"/>
</signal>
<signal name="N$13">
<contactref element="U$4" pad="S2"/>
<contactref element="U$2" pad="S2"/>
<contactref element="U$2" pad="S2"/>
</signal>
<signal name="N$14">
<contactref element="U$4" pad="R2"/>
<contactref element="U$2" pad="R2"/>
<contactref element="U$2" pad="R2"/>
</signal>
<signal name="N$16">
<contactref element="U$4" pad="P2"/>
<contactref element="U$2" pad="P2"/>
<contactref element="U$2" pad="P2"/>
</signal>
<signal name="N$17">
<contactref element="U$4" pad="N2"/>
<contactref element="U$2" pad="N2"/>
<contactref element="U$2" pad="N2"/>
</signal>
<signal name="N$18">
<contactref element="U$4" pad="M2"/>
<contactref element="U$2" pad="M2"/>
<contactref element="U$2" pad="M2"/>
</signal>
<signal name="N$19">
<contactref element="U$4" pad="L2"/>
<contactref element="U$2" pad="L2"/>
<contactref element="U$2" pad="L2"/>
</signal>
<signal name="N$20">
<contactref element="U$4" pad="K2"/>
<contactref element="U$2" pad="K2"/>
<contactref element="U$2" pad="K2"/>
</signal>
<signal name="N$21">
<contactref element="U$4" pad="J2"/>
<contactref element="U$2" pad="J2"/>
<contactref element="U$2" pad="J2"/>
</signal>
<signal name="N$22">
<contactref element="U$4" pad="H2"/>
<contactref element="U$2" pad="H2"/>
<contactref element="U$2" pad="H2"/>
</signal>
<signal name="N$23">
<contactref element="U$4" pad="F2"/>
<contactref element="U$2" pad="F2"/>
<contactref element="U$2" pad="F2"/>
</signal>
<signal name="N$24">
<contactref element="U$4" pad="E2"/>
<contactref element="U$2" pad="E2"/>
<contactref element="U$2" pad="E2"/>
</signal>
<signal name="N$25">
<contactref element="U$4" pad="D2"/>
<contactref element="U$2" pad="D2"/>
<contactref element="U$2" pad="D2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
