<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
<plain>
<wire x1="0" y1="1.27" x2="48.24" y2="1.27" width="0" layer="20"/>
<wire x1="48.24" y1="1.27" x2="48.24" y2="66.98" width="0" layer="20"/>
<wire x1="48.24" y1="66.98" x2="0" y2="66.98" width="0" layer="20"/>
<wire x1="0" y1="66.98" x2="0" y2="1.27" width="0" layer="20"/>
<text>HOST_RX_IN</text>
<text>HOST_TX_OUT</text>
<text>RS232</text>
<text>RS422</text>
<text>PIC</text>
<text>RS422</text>
<text>RS232</text>
<text>PIC</text>
<text>LoRa_TX</text>
<text>PIC</text>
<text>HOST</text>
<text>RS422</text>
<text>RS232</text>
<text>LoRa_RX</text>
<text>PIC</text>
<text>HOST</text>
<text>RS422</text>
<text>RS232</text>
<text>M0_CTL</text>
<text>HOST</text>
<text>PIC</text>
<text>PIC</text>
<text>HOST</text>
<text>M1_CTL</text>
<text>M1</text>
<text>M0</text>
<text>+12V</text>
<text>GND</text>
<text>RX+</text>
<text>RX-</text>
<text>TX+</text>
<text>TX-</text>
<text>M0</text>
<text>M1</text>
<text>AUX</text>
<text>GND</text>
<text>LoRa_AUX</text>
<text>HOST</text>
<text>PIC</text>
<text>PIC_RX</text>
<text>232</text>
<text>HOST</text>
<text>422</text>
<text>PIC_TX</text>
<text>232</text>
<text>HOST</text>
<text>422</text>
<text>LoRa Interface
V1.0  2021</text>
<text>422_RX-</text>
<text>422_TX-</text>
</plain>
<libraries>
<library name="adafruit">
<packages>
<package name="C0603">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="R0603">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="MAX3232ECPWR">
<description>&lt;3-V to 5.5-V multichannel RS-232 line driver and receiver with +/-15-kV IEC ESD protection&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by SamacSys&lt;/author&gt;</description>
<packages>
<package name="SOP65P640X120-16N">
<description>&lt;b&gt;MAX3232ECPWR&lt;/b&gt;&lt;br&gt;
</description>
</package>
</packages>
</library>
<library name="VXO7805-500">
<packages>
<package name="CONV_VXO7805-500">
</package>
</packages>
</library>
<library name="915ST30_20D">
<packages>
<package name="E32">
</package>
</packages>
</library>
<library name="con-samtec">
<description>&lt;b&gt;Samtec Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TSW-125-XX-G-S">
<description>&lt;b&gt;THROUGH-HOLE .025" SQ POST HEADER&lt;/b&gt;&lt;p&gt;
Source: Samtec TSW.pdf</description>
</package>
<package name="TSW-110-XX-G-S">
<description>&lt;b&gt;THROUGH-HOLE .025" SQ POST HEADER&lt;/b&gt;&lt;p&gt;
Source: Samtec TSW.pdf</description>
</package>
<package name="TSW-102-XX-G-S">
<description>&lt;b&gt;THROUGH-HOLE .025" SQ POST HEADER&lt;/b&gt;&lt;p&gt;
Source: Samtec TSW.pdf</description>
</package>
</packages>
</library>
<library name="MAX14787EGSA_">
<packages>
<package name="SOIC127P600X175-8N">
</package>
</packages>
</library>
<library name="BC550B">
<packages>
<package name="TO92-">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C19" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C25" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C26" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C27" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC4" library="MAX3232ECPWR" package="SOP65P640X120-16N" value="MAX3232ECPWR">
<attribute name="DESCRIPTION" value="3-V to 5.5-V multichannel RS-232 line driver and receiver with +/-15-kV IEC ESD protection"/>
<attribute name="HEIGHT" value="1.2mm"/>
<attribute name="MANUFACTURER_NAME" value="Texas Instruments"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="MAX3232ECPWR"/>
<attribute name="MOUSER_PART_NUMBER" value="595-MAX3232ECPWR"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Texas-Instruments/MAX3232ECPWR?qs=paYhMW8qfis8NsHohmO7ng%3D%3D"/>
<attribute name="NAME"/>
<attribute name="RS_PART_NUMBER" value=""/>
<attribute name="RS_PRICE-STOCK" value=""/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="VXO7805-500" package="CONV_VXO7805-500" value="VXO7805-500">
<attribute name="CUI_PURCHASE_URL" value="https://www.cui.com/product/dc-dc-converters/non-isolated/vxo78-500-series?utm_source=snapeda.com&amp;utm_medium=referral&amp;utm_campaign=snapedaBOM"/>
<attribute name="DESCRIPTION" value="500 mA Output Current, 4.75~36 Vdc Input, 3 Pin SIP, Non-Isolated, Dc-Dc Converter"/>
<attribute name="DIGI-KEY_PART_NUMBER" value="102-VXO7805-500-M-TR-ND"/>
<attribute name="MF" value="CUI Inc."/>
<attribute name="MP" value="VXO7805-500"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="SIP-3 CUI"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/VXO7805-500/?ref=eda"/>
<attribute name="VALUE"/>
</element>
<element name="U3" library="915ST30_20D" package="E32" value="E32">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X2" library="con-samtec" package="TSW-125-XX-G-S" value="TSW-125-08-G-S">
<attribute name="MF" value="Samtec Inc."/>
<attribute name="MPN" value="TSW-125-07-G-S"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value=""/>
<attribute name="OC_NEWARK" value=""/>
<attribute name="VALUE"/>
</element>
<element name="X3" library="con-samtec" package="TSW-125-XX-G-S" value="TSW-125-08-G-S">
<attribute name="MF" value="Samtec Inc."/>
<attribute name="MPN" value="TSW-125-07-G-S"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value=""/>
<attribute name="OC_NEWARK" value=""/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X1" library="con-samtec" package="TSW-110-XX-G-S" value="TSW-110-08-G-S">
<attribute name="MF" value="Samtec Inc."/>
<attribute name="MPN" value="TSW-110-07-G-S"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value=""/>
<attribute name="OC_NEWARK" value=""/>
<attribute name="VALUE"/>
</element>
<element name="U2" library="MAX14787EGSA_" package="SOIC127P600X175-8N" value="MAX14787EGSA+">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="DESCRIPTION" value=" 1/1 Transceiver Full RS422, RS485 8-SOIC "/>
<attribute name="MF" value="Maxim Integrated"/>
<attribute name="MP" value="MAX14787EGSA+"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="SOIC-8 Maxim"/>
<attribute name="PRICE" value="None"/>
<attribute name="PURCHASE-URL" value="https://pricing.snapeda.com/search/part/MAX14787EGSA+/?ref=eda"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="adafruit" package="C0603" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R13" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R14" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R15" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R12" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R16" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="BC550B" package="TO92-" value="BC550B">
<attribute name="AVAILABILITY" value="Bad"/>
<attribute name="DESCRIPTION" value=" Bipolar (BJT) Transistor NPN 45V 100mA 300MHz 500mW Through Hole TO-92-3 "/>
<attribute name="MF" value="ON"/>
<attribute name="MP" value="BC550B"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="E-PKG AXIAL-LEADED-2 ON Semiconductor"/>
<attribute name="PRICE" value="None"/>
<attribute name="VALUE"/>
</element>
<element name="R30" library="adafruit" package="R0603" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R17" library="adafruit" package="R0603" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R18" library="adafruit" package="R0603" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q2" library="BC550B" package="TO92-" value="BC550B">
<attribute name="AVAILABILITY" value="Bad"/>
<attribute name="DESCRIPTION" value=" Bipolar (BJT) Transistor NPN 45V 100mA 300MHz 500mW Through Hole TO-92-3 "/>
<attribute name="MF" value="ON"/>
<attribute name="MP" value="BC550B"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="E-PKG AXIAL-LEADED-2 ON Semiconductor"/>
<attribute name="PRICE" value="None"/>
<attribute name="VALUE"/>
</element>
<element name="R19" library="adafruit" package="R0603" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R20" library="adafruit" package="R0603" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R21" library="adafruit" package="R0603" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X4" library="con-samtec" package="TSW-102-XX-G-S" value="TSW-102-08-G-S">
<attribute name="MF" value="Samtec Inc."/>
<attribute name="MPN" value="TSW-102-07-G-S"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value=""/>
<attribute name="OC_NEWARK" value=""/>
<attribute name="VALUE"/>
</element>
<element name="X5" library="con-samtec" package="TSW-102-XX-G-S" value="TSW-102-08-G-S">
<attribute name="MF" value="Samtec Inc."/>
<attribute name="MPN" value="TSW-102-07-G-S"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value=""/>
<attribute name="OC_NEWARK" value=""/>
<attribute name="VALUE"/>
</element>
<element name="R22" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R23" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R24" library="adafruit" package="R0805" value="100K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R25" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R26" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R27" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R29" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R31" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R32" library="adafruit" package="R0805" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="U3" pad="9"/>
<contactref element="U3" pad="10"/>
<contactref element="U3" pad="11"/>
<contactref element="U3" pad="12"/>
<contactref element="U3" pad="13"/>
<contactref element="U3" pad="14"/>
<contactref element="U1" pad="2"/>
<contactref element="C25" pad="2"/>
<contactref element="C27" pad="2"/>
<contactref element="X2" pad="4"/>
<contactref element="X2" pad="6"/>
<contactref element="X2" pad="2"/>
<contactref element="X3" pad="4"/>
<contactref element="X3" pad="25"/>
<contactref element="U3" pad="8"/>
<contactref element="U3" pad="7"/>
<contactref element="C1" pad="2"/>
<contactref element="U2" pad="4"/>
<contactref element="C2" pad="2"/>
<contactref element="X1" pad="10"/>
<contactref element="X1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="Q1" pad="1"/>
<contactref element="Q2" pad="1"/>
<contactref element="X5" pad="2"/>
<contactref element="X4" pad="2"/>
<contactref element="IC4" pad="15"/>
</signal>
<signal name="+12V">
<contactref element="U1" pad="1"/>
<contactref element="X2" pad="1"/>
<contactref element="X1" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="U1" pad="3"/>
<contactref element="IC4" pad="16"/>
<contactref element="U3" pad="6"/>
<contactref element="C1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="U2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="R17" pad="1"/>
<contactref element="R20" pad="1"/>
<contactref element="R24" pad="2"/>
</signal>
<signal name="N$37">
<contactref element="IC4" pad="3"/>
<contactref element="C19" pad="2"/>
</signal>
<signal name="N$38">
<contactref element="C25" pad="1"/>
<contactref element="IC4" pad="2"/>
</signal>
<signal name="N$40">
<contactref element="C26" pad="1"/>
<contactref element="IC4" pad="4"/>
</signal>
<signal name="N$41">
<contactref element="IC4" pad="5"/>
<contactref element="C26" pad="2"/>
</signal>
<signal name="N$44">
<contactref element="IC4" pad="6"/>
<contactref element="C27" pad="1"/>
</signal>
<signal name="N$36">
<contactref element="C19" pad="1"/>
<contactref element="IC4" pad="1"/>
</signal>
<signal name="INT1/SW">
<contactref element="X2" pad="23"/>
<contactref element="R22" pad="2"/>
</signal>
<signal name="RB8">
<contactref element="X2" pad="14"/>
</signal>
<signal name="RE7">
<contactref element="X2" pad="20"/>
</signal>
<signal name="SPI_MOSI">
<contactref element="X3" pad="21"/>
</signal>
<signal name="SPI_SCK">
<contactref element="X3" pad="19"/>
</signal>
<signal name="SPI_MISO">
<contactref element="X3" pad="20"/>
</signal>
<signal name="RG9">
<contactref element="X2" pad="21"/>
</signal>
<signal name="RB4/AN4">
<contactref element="X2" pad="16"/>
</signal>
<signal name="RB3/AN3">
<contactref element="X2" pad="15"/>
</signal>
<signal name="RB0/AN0">
<contactref element="X2" pad="22"/>
</signal>
<signal name="RC13">
<contactref element="X3" pad="16"/>
</signal>
<signal name="RC14">
<contactref element="X3" pad="15"/>
</signal>
<signal name="RD1">
<contactref element="X3" pad="8"/>
</signal>
<signal name="RD2">
<contactref element="X3" pad="9"/>
</signal>
<signal name="RD3">
<contactref element="X3" pad="10"/>
</signal>
<signal name="RD4">
<contactref element="X3" pad="11"/>
</signal>
<signal name="RD5">
<contactref element="X3" pad="12"/>
</signal>
<signal name="RD6">
<contactref element="X3" pad="13"/>
</signal>
<signal name="RD7">
<contactref element="X3" pad="14"/>
</signal>
<signal name="RF0">
<contactref element="X3" pad="18"/>
</signal>
<signal name="RD11">
<contactref element="X3" pad="6"/>
</signal>
<signal name="RD10">
<contactref element="X3" pad="17"/>
</signal>
<signal name="RD9">
<contactref element="X3" pad="7"/>
</signal>
<signal name="RF4/PIC_RX">
<contactref element="X3" pad="2"/>
<contactref element="R15" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="R25" pad="2"/>
<contactref element="R26" pad="2"/>
<contactref element="R27" pad="2"/>
</signal>
<signal name="RF5/PIC_TX">
<contactref element="X3" pad="3"/>
<contactref element="R4" pad="1"/>
<contactref element="R29" pad="2"/>
<contactref element="R31" pad="2"/>
<contactref element="R32" pad="2"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="RB15">
<contactref element="X2" pad="8"/>
<contactref element="R18" pad="2"/>
</signal>
<signal name="RB14">
<contactref element="X3" pad="5"/>
</signal>
<signal name="RB13">
<contactref element="X2" pad="9"/>
<contactref element="R21" pad="2"/>
</signal>
<signal name="RB12">
<contactref element="X2" pad="10"/>
</signal>
<signal name="RB11">
<contactref element="X2" pad="11"/>
</signal>
<signal name="RB10">
<contactref element="X2" pad="12"/>
</signal>
<signal name="RB9">
<contactref element="X2" pad="13"/>
</signal>
<signal name="RE6/LED2">
<contactref element="X2" pad="19"/>
</signal>
<signal name="RE5/LED1">
<contactref element="X2" pad="18"/>
</signal>
<signal name="RF1">
<contactref element="X2" pad="24"/>
</signal>
<signal name="RB2/AN2_X2">
<contactref element="X2" pad="5"/>
</signal>
<signal name="RB5/AN4">
<contactref element="X2" pad="17"/>
</signal>
<signal name="RG2">
<contactref element="X3" pad="24"/>
</signal>
<signal name="RG3">
<contactref element="X3" pad="23"/>
</signal>
<signal name="INVERTER_OUT">
<contactref element="X2" pad="7"/>
</signal>
<signal name="LORA_M0">
<contactref element="U3" pad="1"/>
<contactref element="X5" pad="1"/>
<contactref element="Q1" pad="3"/>
<contactref element="R17" pad="2"/>
</signal>
<signal name="LORA_M1">
<contactref element="U3" pad="2"/>
<contactref element="Q2" pad="3"/>
<contactref element="R20" pad="2"/>
<contactref element="X4" pad="1"/>
</signal>
<signal name="LORA_RX">
<contactref element="U3" pad="3"/>
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="LORA_TX">
<contactref element="U3" pad="4"/>
<contactref element="R5" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R7" pad="2"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="LORA_AUX">
<contactref element="U3" pad="5"/>
<contactref element="R22" pad="1"/>
<contactref element="R23" pad="1"/>
<contactref element="R24" pad="1"/>
</signal>
<signal name="422_RX+">
<contactref element="U2" pad="8"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="422_RX-">
<contactref element="U2" pad="7"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="422_TX+">
<contactref element="U2" pad="5"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="422_TX-">
<contactref element="U2" pad="6"/>
<contactref element="R16" pad="1"/>
</signal>
<signal name="422_TTL_RX">
<contactref element="R2" pad="1"/>
<contactref element="U2" pad="2"/>
<contactref element="R26" pad="1"/>
</signal>
<signal name="422_TTL_TX">
<contactref element="R6" pad="1"/>
<contactref element="U2" pad="3"/>
<contactref element="R31" pad="1"/>
</signal>
<signal name="HOST_RX_IN">
<contactref element="X1" pad="3"/>
<contactref element="R3" pad="1"/>
<contactref element="R9" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="R27" pad="1"/>
</signal>
<signal name="HOST_RX-_IN">
<contactref element="X1" pad="4"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="HOST_TX_OUT">
<contactref element="X1" pad="5"/>
<contactref element="R7" pad="1"/>
<contactref element="R13" pad="2"/>
<contactref element="R14" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="R32" pad="1"/>
</signal>
<signal name="HOST_TX-_OUT">
<contactref element="X1" pad="6"/>
<contactref element="R16" pad="2"/>
</signal>
<signal name="HOST_M0">
<contactref element="X1" pad="7"/>
<contactref element="R30" pad="2"/>
</signal>
<signal name="HOST_M1">
<contactref element="X1" pad="8"/>
<contactref element="R19" pad="2"/>
</signal>
<signal name="HOST_AUX">
<contactref element="X1" pad="9"/>
<contactref element="R23" pad="2"/>
</signal>
<signal name="232_TX_OUT">
<contactref element="IC4" pad="14"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="232_TTL_TX">
<contactref element="IC4" pad="11"/>
<contactref element="R5" pad="1"/>
<contactref element="R29" pad="1"/>
</signal>
<signal name="232_RX_IN">
<contactref element="IC4" pad="13"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="232_TTL_RX">
<contactref element="IC4" pad="12"/>
<contactref element="R1" pad="1"/>
<contactref element="R25" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="Q1" pad="2"/>
<contactref element="R30" pad="1"/>
<contactref element="R18" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="Q2" pad="2"/>
<contactref element="R19" pad="1"/>
<contactref element="R21" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
