Digi 90000278_B User's Manual
Contents
1. LED Signal CR5 Tx Transmit Data CR6 Rx Receive Data CR7 CTS Clear to Send CR8 RTS Request to Send CR9 DTR Data Terminal Readv CR10 DSR Data Set Ready CR11 DCD Data Carrier Detect Digi One EM Hardware Reference Chapter4 Sample Application TTL Signals to EIA 232 The following figure is an example of how to convert the Digi One EM signals to normal serial voltage levels P1 10 SHIELD 11 SHIELD RS 232 SERIAL 9 PIN CONNECTOR GND GND AUF z E z E Es Pa x ADM211E az ele JS Ru x 8 sv 6 RS22LNEREOVRSRXATK Ce our Ut e 3 C3 E Ci 1 OF 2 C4 1 oF 2 DIGI ONE EM CONNECTOR o SOCKET 2X6 2778 E E a xx 18 a ni fale geo 18 RESERVED HEADER Digi One EM Hardware Reference Appendix A Digi One EM Specifications Network Interfaces e RJ 45 connector e 10 100Base T e Half and full duplex support Serial Interface One TTL EIA 232 serial interface Data Rates bps 110 134 150 200 300 600 1200 2400 3600 4800 9600 19200 38400 57600 115200 230400 Modem Control DTR DSR DCD Flow Control Options RTS CTS DTR DSR XON XOFF None Environmental Operating Temperature 50 F to 131 F 10 C to 55 C2. q Connectware Hardware Reference Manual Digi One EM 90000278_B Digi International Inc 2002 All Rights Reserved The Digi logo is a registered trademark of Digi International Inc Connectware and Digi One are trademarks of Digi International Inc Information in this document is subject to change without notice and does not represent a commitment on the part of Digi International Digi provides this document as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of fitness or merchantability for a particular purpose Digi may make improvements and or changes in this manual or in the product s and or the program s described in this manual at any time This product could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes may be incorporated in new editions of the publication Contents Chapter 1 Introduction 5 About This Guide usina piae 5 Introducing the Digi One EM aeree ti te entes 6 Support Informaton a is i A pe aeta 7 Chapter 2 About the Digi One EM 8 Digi One EM Drawing iii e eee 8 Connectors Power and Serial Interface P4 9 Connectors Ethernet Interface Pl esee 10 Reset SWilel a ee ie en eae also E e 11 O unns dai a 11 Chapter 3 About the Development Board 13 OVer Vie W A a Rel 13
3. Humidity 5 to 90 Altitude 12 000 feet 3657 60 meters Power Requirements 5VDC 370 mA to 9VDC 230 mA typical Mechanical Length 1 93 inches 49 02 millimeters e Width 1 57 inches 39 87 millimeters Height 0 974 inches 24 73 millimeters 20 Digi One EM Hardware Reference Appendix B Digi One EM Certifications This product complies with the following standards FCC Part 15 Class A Radio Frequency Interference RFI FCC 15 105 This equipment has been tested and found to comply with the limits for Class A digital devices pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which
4. CautIODS io idee dd 13 Development Board Illustration eene 14 DB 9 Serial Interface Pl wo 0 seen nnnnnnnnnnnnnzenannnzznnenznanzzana 15 R set Switch SWI anr siii 16 Power Jack B7 it MA a TE A 17 EEDS CRA CRI ee d 18 Digi One EM Hardware Guide 3 Chapter 4 Sample Application TTL Signals to EIA 232 19 Appendix A Digi One EM Specifications 20 Network INGE ACES ss ia e 20 Serial Inter T dee ss i cot et eet cn oa cade e E a date taj 20 D ta Rates DS uoce detest od a g a ah 20 M dem Control 4 e cH GR die 20 blow Conttol Options iii iii prd te f ble pies 20 Buvitonmentalz edu e eiie 20 Power Requirements ninia pa tuo ERR S RYE eta au 20 Mechanical ipd te ete les wel Gea edt dao ddnde 20 Appendix B Digi One EM Certifications 21 ECC Part 15 ass ise digi tal utet noie etaient 21 ICES 003 CLASS UN A eS URSUS 22 Product Safety iussis teer ROT nde e E aa eda ah 22 4 Digi One EM Hardware Guide Chapter 1 Introduction About This Guide Purpose The purpose of this guide is to enable developers to integrate the Digi One EM into other devices enabling these devices to make use of the Digi One EM s rich networking features Audience This document is written for developers tasked with integrating Digi One EM device servers into other devices Scope This document provides the information required for electrical integration of the Digi One EM into another device It does not address how to co
5. Digi One EM Ethernet connector is an eight wire RJ 45 jack meeting the requirements of ISO 8877 for 10 100Base T The following figure helps you locate pins and the table helps you identify which signal uses each pin pin 1 5 il al Pin Signal Name 1 TxD Transmit Data TxD Transmit Data RxD Receive Data Not used Not used RxD Receive Data Not used 0 NIO Ci A WwW m9 Not used 10 Digi One EM Hardware Reference Reset Switch The reset switch located between P3 and CR1 does the following depending on how long you hold the switch down e ltreboots the Digi One EM if you press and release the switch immediately It reboots the Digi One EM and restores the configuration to factory defaults Press and hold the switch down for about 20 seconds while powering the Digi One EM up LEDs Digi One EM LEDs provide information on port activity diagnostics and Ethernet activity LED Color Function Interpretation Off means that the serial Indicates serial channel is idle Top left Green port activity Blinking indicates an active connection Off means that no link Network link sta has been detected tus On means that a link has been detected Top right Green Digi One EM Hardware Reference 11 LED Color Function Interpretation Bottom left Red Diagnostics Blinking 1 1 1 means s
6. the receiver is connected Consult the dealer or an experienced radio TV technician for help Labeling Requirements FCC 15 19 This device complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Digi One EM Hardware Reference 21 Modifications FCC 15 21 Changes or modifications to this equipment not expressly approved by Digi may void the user s authority to operate this equipment ICES 003 Class A This Class A digital apparatus meets the requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la Classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Product Safety UL 60950 EN60950 e CSA 22 2 No 60950 22 Digi One EM Hardware Reference Digi One EM Hardware Reference Digi One EM Hardware Reference
7. nfigure or administer the device server or how to write applications to use its functionality These topics are covered in other documents in the library Digi One EM Hardware Reference 5 Introducing the Digi One EM Product Overview Cautions The Digi One EM is part of the Digi One Family of single port device servers that provide simple reliable and cost effective network connections for serial devices The Digi One EM provides fully transparent serial device connectivity over industry standard Ethernet connections and allows both equipment manufacturers and systems integrators to network enable products at a fraction of the time and cost required to develop a custom solution It is a highly flexible and compact single component solution with a robust on board TCP IP stack and 10 100 Base T Ethernet support From medical systems to building control and industrial automation in virtually any application where embedded serial connectivity over Ethernet is needed the Digi One EM is the ideal choice delivering high performance functionality To guard against damage to the Digi One EM due to elec trostatic discharge ESD do not remove it from its pro tective packaging until you have been properly grounded To ground yourself put the wrist strap on included in the package and then attach the clip to a metal surface Input voltage for the Digi One EM must be in the range of 5VDC to 9VDC Digi One EM Hardware Reference Sup
8. port Information To get help with a question or technical problem or to make comments and recommendations about our products or documentation use the following contact information General Digi International 11001 Bren Road East Minnetonka MN 55343 U S A www digi com Customer Service and Support United States 1 877 912 3444 Other Locations 1 952 912 3444 www support digi com Digi One EM Hardware Reference Chapter2 About the Digi One EM Digi One EM Drawing The following figure shows the Digi One EM layout and dimensions l 1 575 l 8 Digi One EM Hardware Reference Connectors Power and Serial Interface P4 The Digi One EM has a single 12 pin serial interface port labeled P4 that supports EIA 232 TTL levels only data rates up to 230 Kbps and full modem control The following figure helps you locate pins and the table helps you identify which signal uses each pin 10 12 Pin 1 uu Pin Signal Name Description 5VDC to 1 9VDC input Input power to Digi One EM only 2 GND Reference Ground for input power 3 RxD Receive Data input 4 TxD Transmit Data output 5 RTS Request To Send 6 DTR Data Terminal Ready 7 CTS Clear To Send 8 DCD Data Carrier Detect 9 DSR Data Set Ready 10 RST Reset 11 Reserved Not used 12 Reserved Not used Digi One EM Hardware Reference Connectors Ethernet Interface P1 The
9. roperly grounded To ground yourself put the wrist strap on included in the package and then attach the clip to a metal surface Digi One EM Hardware Reference 13 Development Board Illustration TX RX CTS RTS DTR DSR DCD CR5 CR6 CR7 CR8 CR9 CRIO CRI 14 Digi One EM Hardware Reference DB 9 Serial Interface P1 The following figure helps you locate specific DB 9 pins and the table maps signals to pins Pin Signal Data Carrier Detect DCD Receive Data RxD Transmit Data TxD Data Terminal Ready DTR Signal Chassis Ground GND Data Set Ready DSR Request To Send RTS Clear To Send CTS OO NI OO Cc In Unused Digi One EM Hardware Reference Reset Switch SW1 The reset switch reboots the Digi One EM Fel 7 16 Digi One EM Hardware Reference Power Jack P7 The power jack accepts 5 volts DC 5 from a regulated power supply The development board is polarity sensitive The 5 volts is assumed to be the center contact on connector and the ground is the outside of the connector barrel as shown in the following figure Digi One EM Hardware Reference 17 LEDs CR4 CR11 The LED labeled CR4 is a power indicator The other seven LEDs display EIA 232 signal activity The following table describes the specific signal associated with each LED
10. tarting the operating system Blinking 1 5 1 means configuration has been returned to factory defaults Steady blinking means the device is seeking an IP address from a DHCP server Note If other blinking patterns occur call Digi Technical Support Bottom right Yellow Reserved NA Digi One EM Hardware Reference Chapter 3 Overview About the Development Board The development board provides the following interfaces Cautions A DB 9 serial interface that enables serial connections from your device to the Digi One EM module See DB 9 Serial Interface P1 on page 15 A 12 position socket to supply both power and ground to the Digi One EM A reset switch to reboot the Digi One EM See Reset Switch SW1 on page 16 A standard 2 0 mm jack that accepts 5 volts DC 5 from a regulated power supply See Power Jack P7 on page 17 Eight LEDs One labeled CR4 tells you if the power is on The other seven labeled CR5 CR11 are active when EIA 232 signals are detected See LEDs CR4 CR11 on page 18 A reserved 3 pin header labeled P5 Although the Digi One EM can handle up to 9 VDC this voltage can harm the development board which works only with the 5 volt regulated power supply The board does not regulate power To guard against damage to the development board due to electrostatic discharge ESD do not remove it from its protective packaging until you have been p
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