Digiメーカー90000278_Bの使用説明書/サービス説明書
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Hard wa r e Refer en ce Man ual Digi One EM 90000278_ B.
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.
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 .
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 .........
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.
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.
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.
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.
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.
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.
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 .
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 .
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 .
14 Digi One EM Hardware Re ference Devel opment Board Illust ration.
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.
16 Digi One EM Hardware Re ference Reset Switch (SW1) The reset sw itch reboot s the Digi O ne EM..
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 .
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 .
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.
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 .
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.
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.
Digi One E M Hardware Reference.
Digi One E M Hardware Reference.
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