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Hard wa r e Refer en ce Man ual Digi One EM 90000278_ B ...
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Digi Int ernational I nc. 2002. A ll Rights Rese rved The Digi logo is a reg istered tr ademark of D igi Internat ional, Inc. Connectwar e and Dig i One are tra demarks of Digi Interna tional, Inc . Informati on in th is docume nt is subj ect to cha nge withou t notice an d does not repres ent a commitm ent on the part of Digi Internati onal. D ...
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Digi One EM Hardware Gui de 3 Content s Chapter 1 Introduction 5 About This Guide............................................................................. 5 Introducing the Digi One EM ..........................................................6 Support Information ......................................................................... 7 Chapt ...
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4 Digi One EM Hardware Guide Chapter 4 Sample App lication: TTL Signals t o EIA-232 19 Appendix A Digi One EM Spec ifications 20 Network Interfaces ......................................................................... 20 Serial Interface ...............................................................................20 Data Rates (bps) ......... ...
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Digi One EM Hardware Re ference 5 Chapter 1 Intro ducti on About This Guide Purp ose The purpose of this guide is to ena ble developers to int egrate the Di gi One EM into othe r device s, enab ling the se devi ces to make use of the Digi O ne EM’ s rich ne tworking fea tures. Audience This docum ent is writ ten for deve lopers t asked wi th inte ...
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6 Digi One EM Hardware Re ference Introducing the Digi One EM Prod uct Over view The Digi O ne EM i s part of th e Digi On e Family of sing le port device servers that provide simp le, re liable and cost-e ffective network conn ections for serial devices. The Digi One E M provides fully tra nsparent seria l device connectivity o ver indust ry-stand ...
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Digi One EM Hardware Re ference 7 Support Information T o get he lp with a qu estion o r te chnica l pr oblem or t o make comm en ts and re co mmen dation s about our pr od ucts or docume ntati on, use the follo wing cont act in formatio n. General Digi Internat ional 1 100 1 Bren Ro ad Eas t Minneto nka, MN 55 343 U.S.A www .digi.com Customer Serv ...
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8 Digi One EM Hardware Re ference Chapter 2 About the Digi One EM Digi One EM Drawing The fol lowing figu re shows the Digi One EM layout and dimen sions. ...
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Digi One EM Hardware Re ference 9 Connectors: Power and Serial Interface (P4) The Digi One EM ha s a single 12-pin, se rial inter face port (label ed P4) tha t support s EIA-232 (TTL levels o nly), dat a rates up to 230 Kbps and full -mo dem cont rol. The fo llowing figure h elps yo u locate pins , and the table helps yo u identify which si gnal us ...
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10 Digi One EM Hardware Re ference Connectors: Ethern et Interface (P1) The Digi One EM Eth ernet conn ector is an eight-wire , RJ-45 jack me eting t he requ irement s of ISO 88 77 for 1 0/100Ba se- T . The fol lowing fig ure help s you locate pi ns and the t able help s you identi fy which sig nal uses eac h pin. Pi n Sig na l Name 1 TxD+ (T ransm ...
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Digi One EM Hardware Re ference 11 Reset Switch The reset switch , located between P 3 and CR1, does the follow ing (dep ending on how long you hold t he switch d own): • It rebo ots the D igi One EM i f you press a nd release th e switch immedia t ely . • It reboo t s th e Di g i On e EM and re stor es th e con fi gur a ti on to factory d efau ...
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12 Digi One EM Hardware Re ference Bottom lef t R ed Diagnos tics • Blinking 1 -1-1 means starting the operat ing syst em. • Blinking 1 -5-1 means config urati on has been returned to f actory defaults. • S te ady blin king mean s the device i s seeking an IP addres s from a DHCP server . Note: If oth er blinki ng patterns occur, c all Digi T ...
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Digi One EM Hardware Re ference 13 Chapter 3 About t he Deve lopment Board Over view The deve lopment b oard provid es the foll owing inter faces: • A DB-9 se rial inte rface that enables seri al connec tions from your device to the Di gi One EM module . See "DB- 9 Seri al I nterfac e (P1)" on page 15. • A 12-p osition socket t o supp ...
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14 Digi One EM Hardware Re ference Devel opment Board Illust ration ...
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Digi One EM Hardware Re ference 15 DB-9 Ser ial Inter face (P 1 ) The fol lowing figu re help s you locat e specific DB-9 pins and the t able ma ps sig nals to pins. Pin Si gnal 1 Data Carrier Detect (DCD) 2 Receiv e Data (RxD) 3 T ransmit Dat a (TxD) 4 Data T erminal Re ady (DTR) 5 Signal /Chassis Gr ound (GND) 6 Data Set Ready (DSR ) 7 Requ est T ...
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16 Digi One EM Hardware Re ference Reset Switch (SW1) The reset sw itch reboot s the Digi O ne EM. ...
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Digi One EM Hardware Re ference 17 Powe r Jack (P 7) The power jack acce pts 5 volt s DC +/- 5% from a regulat ed power sup ply . The develop me nt board is polarity s e nsitive. The +5 v olts is assumed to b e the cent er cont act on conne c tor , an d the g round is t he outside o f the co nn ector barr el, as shown in the fol lowing fi gure . ...
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18 Digi One EM Hardware Re ference LEDs (CR4 - CR1 1) The LED labele d CR4 is a power indica tor . The other seven LEDs d i s play EIA -2 32 sign a l activi ty . Th e follow i ng table describes the specific signal associat ed with each LED. LED Sig nal CR5 Tx (T ran smi t Dat a) CR6 Rx (Rec eive D ata ) CR7 CTS (C lear to Se nd) CR8 RTS (Requ est ...
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Digi One EM Hardware Re ference 19 Chapter 4 Sample Ap plicat ion: TTL Si gnals to EIA-2 32 The fol lowing figu re is an exa mple of h ow to convert the Digi One EM signals to no rmal seri al volt age levels. 0.1uF 1 2 C6 0.1uF 1 2 C4 0.1uF 1 2 C3 0.1uF 2 1 C5 +5V GND 11 10 9 8 7 6 5 4 3 2 1 DB9 P1 RS-232 SERIAL 9-P IN CONNECTOR SHIELD SHIELD GND G ...
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20 Digi One EM Hardware Re ference Appendix A Digi One EM Specifications Network Interfac es • RJ-45 conne ctor • 10/10 0Bas e-T • Ha l f- and ful l-duple x suppo r t Seri al Inte rface One T T L EIA-2 3 2 serial inte rface Dat a Rates (bp s) 1 10, 134, 15 0, 200, 3 00, 600 , 1200, 24 00, 360 0, 4800 , 9600, 19200, 38400, 5 7600, 1 15200 , 23 ...
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Digi One EM Hardware Re ference 21 Appendix B Digi One EM Certi fications This pr oduct complies w ith the follo wing sta ndards: FCC Part 15 Class A Radio Frequency Interference (RFI) (FCC 15.105) This equi pment has been tested and found to comply with the limits for Class A digital devices pursuant to Part 15 of the FCC Rule s. These lim its are ...
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22 Digi One EM Hardware Re ference Modifica tions (FCC 15. 21) Change s or modi f icatio ns to this eq uipme n t not exp ressly appro ved by D igi may voi d the u ser’ s a uthority to oper ate this equ ipment. ICES 0 03 Class A This Cl as s A digital a pparatus me ets the requir ements of the Canad ian Inte r fer en ce- Cau sing Equipmen t Regula ...
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Digi One E M Hardware Reference ...
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Digi One E M Hardware Reference ...
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