CM312 Communications utilityModule™ User`s Manual
Contents
1.2. 12 PC 104 BUS CONNECTORS CN1 AND CN yore 13 FIRST COM PORT oec eet PH E eere 14 RS422 RS465 Mode Pinout co ER vive Roe event 16 Notes on using RS422 or 5485 Modes 2555 17 SECOND COM PORTS CNA pete teste Te o Ted a ea e PEERS 17 THIRD COM PORT CNS 17 FO RT COM PORTEN CORREO TL 17 Base Address of Common Registers 18 Common Register definitions 4 2 ege Up ee Ee te t e eee d e 19 TIOBASE L CONNBECTOR uttter e a e eget ean 21 CONNECTOR ite te fiber teta teat eH ie d iere daret 21 TOBASE 2 CONNECTOR CN M e E re E ERIS 22 POWER PROTECTION CIRCUITRY tee tee eet ie Peer 22 Module Power Supply 22 CHAPTER 3 USING THE UTILITYMODULE SERAIL 6 040 000 23 EXAR DOCUMENTATION 23 LS MBPS SUPPORT Ec 23 eiie eu eue es 24 CHAPTER 4 USING THE UTILITYMODULE ETHERNET PORTS 26 DIAGNOSTIC D
3. eer itte ra ditt 34 PACK EL TE 35 REMOTE BOOT EXAMPLES US ORE 36 RPE froma WindowsNT serv r 3 3 4 iie dr ete der ne arise eet tete ieee 36 DRIVER DIS C 39 DIS OR HO Rt b ortae yer 39 CHAPTER 6 REFERENCE INFORMATION Wu ccsssssssssssssssssssssessssessssssssssssssssssesssssssssssssessssessssesssesssseess 40 ETHERNET REEERENGES neni 40 EY PES OB ETHERNET d enu m Sau adea dd 40 TYPES OF ETHERNET CABLE terrere VER Ee y aeree PENNE Vu e veas vet A 1 5 WIRING CONVENTION csccccccccccssssssseeesccecessssseeeecccecsssseeeeeceesesssseeeeeececeeseaaeeeeceeeeeensaseeeeeecesensseeeeeeeesns 42 ETHERNET FRAMES e e eov er iste to e a 43 IEEE 802 MAC NUMBERS 43 CHAPTER 7 RETURN POLICY AND WARRANTY ccsssssssssssssssesssssessssseesssscesssscsssseessssecssssecssssccsssecess 44 RETURN ee P dee td ia 44 LIMITED WARRANTY 2 eR DEDI ueniet esie A sie ires 45 Table of Tables TABLE 1 DEFAULT JUMPER SETTINGS shorii oa r oe earr a ESEE ERTE a ELERE SE E EERDE a ES 5 TABLE 2 SW
4. SWI 4 SW 3 SW 2 SW 1 CN3 CN4 CNS CN6 Down Down Down Down 3E8 2E8 280 288 Down Down Down Up 280 288 290 298 Down Down Up Down 290 298 2A0 2A8 Down Down Up Up 2A0 2A8 2B0 2B8 Down Up Down Down 100 108 110 118 Down Up Down Up 120 128 130 138 Down Up Up Down 140 148 150 158 Down Up Up Up 160 168 170 178 Up Down Down Down 100 108 500 508 Up Down Down Up 120 128 520 528 Up Down Up Down 280 288 680 688 Up Down Up Up 290 298 690 698 Up Up Down Down 2A0 2A8 6A0 6A8 Up Up Down Up 2B0 2B8 6 0 6B8 Up Up Up Down 3E8 2E8 7E8 6E8 Up Up Up Up 3F8 2F8 3E8 2E8 Ethernet EEPROM Configuration The most important configuration options for the Ethernet section are set using the configuration program CM312SET EXE and then stored in a configuration EEPROM CM312SET is used to select e I O Address Hardware interrupt number Media Type e Remote Boot e 2000 1000 Compatibility Mode CM312 Quad Serial utilityModule 8 RTD Embedded Technologies Inc Default Settings The factory default settings for CM312SET options are Option Factory Default address 320h IRQS Media type AUTO Disabled Compatibility mode NE2000 Please refer to page 28 for information on changing these settings using CM312SET CM312 Quad Serial utilityModule 9 RTD Embedded Technologies Inc CM312 Quad Serial utilityModule 10 RTD Embedded Technologies Inc Chapter 2 INSTALLING THE UTILITYMODULE Since the utilityModule
5. 7 6 5 4 3 2 1 0 Reserved Reserved TxRDY RxRDY CN6 CN5 CN4 CN3 For each CNx bit 0 Not interrupting 1 Interrupt set TxRDY 0 indicates a buffer ready for at least of the four transmit channels 1 indicates that all transmit buffers are full RxRDY 0 indicates one or more of the receive channels has data ready to read 1 indicates that all receive buffers are empty Reserved reads as 0 BA 1 Address Switch Read Only 7 6 5 4 3 2 1 0 Reserved Reserved Reserved Reserved SW1 4 SW1 3 SWI1 2 SWI 1 For each bit see table above 0 Down 1 Reserved reads as to tag on the address register BA 2 Enable Disable Jumpers Read Only 7 6 5 4 3 2 1 0 Reserved Reserved Reserved Reserved CN6 CN5 CN4 CN3 For each CNx bit Jumper installed 0 Port is disabled Jumper open Port is enabled Reserved reads as 0 BA 3 Reserved 7 6 5 4 3 2 1 0 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved reads as 0 4 RS 422 RTS operation W 7 6 5 4 3 2 1 0 Reserved Reserved Driver IntSel CN6 CN5 CN4 CN3 Enable Driver Enable 0 All ports in RS 422 485 mode will have the drivers disabled 1 All ports in RS 422 485 mode will have the drivers controlled as selected in register 4 and 5 Default to 0 to have drivers disabled during power up User must program to a to use RS 422 485 mode IntSel 0 MCR bit 3 controls the three state interrupt output 1 Overrid
6. pull down resister IRQ5 line JP4 13 14 IRQIO for 4 COM port G jumper Installed 1K pull down resister on IRQ10 line CLK jumper EEPROM 1 7 1 2 JP8 installed First 3 4 installed COM port 5 6 open 7 8 open JP9 installed Second 3 4 installed COM port 5 6 open 7 8 open JP10 installed Third 3 4 installed COM port 5 6 open 7 8 open installed Fourth 3 4 installed COM port 5 6 open 7 8 open SWI down I O base addresses at 3E8 2E8 280 288 for 1 27434 and 4 COM port respectively CM312 Quad Serial utilityModule 5 RTD Embedded Technologies Inc Descriptions The following table describes the functions of the jumpers Table 2 Switch and Jumper tables JP1 IRQ selection for G setting jumper installed 1K pull down resistor for the selected IRQ Jumper removed no pull down for the selected IRQ Default 3 4 IRQ4 is selected for CN3 with G jumper installed 1K pull down IRQ selection for COM2 G setting jumper installed 1K pull down resistor for the selected IRQ Jumper removed no pull down for the selected IRQ Default 1 2 IRQ3 is selected for CN4 with G jumper installed 1K pull down IRQ selection for COM3 G setting jumper installed 1K pull down resistor for the selected IRQ Jumper removed no pull down for the selected IRQ Default 5 6 IRQ5 is selected for CN5 with G jumper installed 1K pull down Input clock selection for serial ports 1 2 select
7. 24 MHz clock select for the utilityModule CM312 Quad Serial utilityModule 23 RTD Embedded Technologies Inc Interrupt Sharing Interrupt sharing is a mechanism which allows different devices sharing same active high IRQ lines on the PC 104 bus given that there is a interrupt sharing circuit associated with each device The utilityModule provides interrupt sharing circuits for all the serial ports thus it allows sharing of one IRQ line among the serial ports in the utilityModule However user needs to be careful to share an IRQ line with devices in the system elsewhere and be sure that other devices also share their IRQ lines as well For instance users should be aware of that the IRQ3 IRQ4 associated with serial port J3 J4 on RTDUSA cpuModule are not shareable And if the utilityModule is in the same system with RTDUSA cpuModule be advised not to use share IRQ3 IRQ4 for the utilityModule unless you have serial ports on the cpuModule disabled Interrupt sharing in PC 104 system requires one pull down resistor per IRQ line for all the devices that share the IRQ Installing a G jumper in the utilityModule will pull its associated IRQ line down with 1K resistor That is for example if IRQn is shared among four serial ports on the utilityModule only one G jumper needs to be installed for IRQn line If more than one G jumper are installed the pull down IRQn line will be much stronger that expected ohm which will prevent interr
8. 24 MHz input clock to UART 2 3 select 24 MHz 13 input clock to UART Default 2 3 jumped to select 1 8432 MHz to UART Ethernet EEPROM enable 1 2 installed Factory use 1 2 open Normal Operation Default 1 2 open to enable normal Ethernet EEPROM operation Reserved leave open 1 2 installed Not allowed 1 2 open Normal operation IRQ selection for G setting jumper installed 1K pull down resistor for the selected IRQ Jumper removed no pull down for the selected IRQ Default 13 14 IRQ10 is selected for CN6 With G jumper installed 1K pull down Default 1 2 always open CM312 Quad Serial utilityModule 6 RTD Embedded Technologies Inc port configuration 1 2 installed Disable Port 1 2 open Enable Port 3 4 installed select RS 232 mode 3 4 open select RS 422 485 mode 5 6 installed 120 ohm termination on RxD for RS422 485 modes 5 6 open No termination on RxD RS422 485 modes 7 8 installed 120 ohm termination on CTS for RS422 485 modes 7 8 open No termination on CTS RS422 485 modes Default 1 2 and 3 4 installed 5 6 and 7 8 open to select enabled for RS 232 mode with no termination COM port configuration 1 2 installed Disable Port 1 2 open Enable Port 3 4 installed select RS 232 mode 3 4 open select RS 422 485 mode 5 6 installed 120 ohm termination on RxD for RS422 485 modes 5 6 open No termination on RxD RS422 485 modes 7 8 installed 120 ohm terminat
9. EXPRESSLY SET FORTH ABOVE NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND RTD Embedded Technologies EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED HEREIN ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES FOR MECHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS WARRANTY IN THE EVENT THE PRODUCT IS NOT FREE FROM DEFECTS AS WARRANTED ABOVE THE PURCHASER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVIDED ABOVE UNDER NO CIRCUMSTANCES WILL RTD Embedded Technologies BE TO THE PURCHASER OR ANY USER FOR ANY DAMAGES INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EXPENSES LOST PROFITS LOST SAVINGS OR OTHER DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS AND SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE CM312 Quad Serial utilityModule 45 RTD Embedded Technologies Inc RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 USA Our website www rtd com CM312 Quad Serial utilityModule 46 RTD Embedded Technologies Inc
10. PC board indicates pin 1 of connectors A square solder pad visible on the bottom of the PC board also indicates it CM312 Quad Serial utilityModule 11 RTD Embedded Technologies Inc Locations The figure below shows connector locations CN14 EDG CN8 CAR CN5 CN6 Figure 2 Connector Locations Table 4 Connector Table NI C CM312 Quad Serial utilityModule 12 RTD Embedded Technologies Inc 104 Bus Connectors CN1 and 2 Connectors CN1 and CN2 provide PC 104 bus connections CN1 carries XT bus signals and CN2 carries additional signals for the AT bus The signals on CN1 and CN2 conform to the IEEE P966 standard for the PC 104 bus The following tables list the connector pinouts 9 5 CM312 Quad Serial utilityModule DAD MIR WM Row A IOCHCHK SD7 SD6 SD5 SD4 SD3 SD2 SDI SDO IOCHRDY AEN SA19 SA18 SA17 SA16 5 15 5 14 5 13 SA12 SAI1 SA10 5 9 5 8 5 7 5 6 5 5 5 4 SA3 SA2 SAI SAO OV Table 5 PC 104 XT Bus Connector PC 104 XT Bus Connector CN1 Row B OV RESETDRV 5V IRQ9 5V DRQ2 12V ENDXFR 12V KEYING PIN SMEMW SMEMR IOW IOR DACK3 DRQ3 DACKI
11. Restart WindowsNT and start RPL Service Now the cpuModule used with the utilityModule can remotely boot DOS from WindowsNT Server DOSBB CNF DOS on NE2000 Ethernet BASE DOH RPL BBLOCK RPLBOOT SYS LDR BBLOCK RPLSTART COM DAT BBLOCK NETBEUINNE2000 PROTOCOL INI DRV BBLOCK RPLDISK SYS EXE BBLOCK RPLPROI1 COM 2 CM312 Quad Serial utilityModule 36 RTD Embedded Technologies Inc EXE BBLOCK I13 COM EXE BBLOCK RPLBIND 2 EXE EXE BBLOCK PROTMAN EXE EXE BBLOCK RPLBIND1 EXE BBLOCK IPXNDIS DOS BBLOCK TCPDRV DOS I CALANMAN DOS BBLOCK NETBEUNNETBEULEXE 10 BBLOCK NDIS NE2000 DOS BBLOCK PROTMAN DOS I C LANMAN DOS M PROTOCOL INI protman drivername protman dynamic yes priority netbeui netbeui_xif drivername netbeui bindings ne2000_nif names 6 ncbs 12 packets 20 pipeline 10 sessions 6 stacksize 512 lanabase 0 xnsnb_xif drivername xnsnb bindings ne2000_nif load xnsnb cbr lanabase 1 xnstp_xif drivername xnstp bindings ne2000_nif load xnstp ub lanabase tcpip xif drivername TCPIP disabledhcp TCPIP_NO_DHCP ipaddressO TCPIP ADDRESS subnetmask0 TCPIP SUBMASK defaultgatewayO0 GATEWAY tcpsegmentsize 1450 tcpwindowsize 1450 nbsessions 6 load tcptsr c tinyrfc c emsbfr cr unload unloadt notsr dc bindings ne2000_nif lanabas
12. bus Protection is provided for e Over current e Reversed polarity e Excessive voltage This protection is only for the utilityModule and will not protect other devices in a PC 104 stack The protective fuse is replaceable and is available from electronics suppliers Its description and part number is Littelfuse Nano SMF 1 0 amp R451 001 Caution Replace fuses only with parts of identical current and voltage rating CM312 Quad Serial utilityModule 22 RTD Embedded Technologies Inc Chapter 3 USING THE UTILITYMODULE PORTS The utilityModule features an EXAR quad UART 16C550 compatible 16C554D part EXAR Documentation Due to the complexity of the EXAR serial chip it is impossible for us to reproduce all programming information in this manual If you will be doing in depth programming of the serial port controller we suggest you obtain the 16C554D datasheet from the manufacturer The 16C554D datasheet is available on line in electronic format as an Adobe Acrobat PDF file on the EXAR website www exar com You may also contact EXAR corporation 248720 Kato Road Fremont CA 94538 Or by phone fax Phone 510 668 7017 Fax 510 668 7017 1 5 Mbps support With 24 MHz clock input selected JP5 1 2 the utilityModule is capable of provide data rates up to 1 5 Mbps in RS422 RS485 mode Since RS 232 standard restricts data rate to 20 Kbps you might experience failure at higher data rate above 252 Kbps with
13. control in the following two ways By default the transmitter is enabled by manipulating the Request To Send RTS signal of the serial port controller This signal is controlled by writing bit 1 of the Modem Control Register MCR as follows e f MCR bit 1 1 then RTS 0 and serial transmitter is disabled e If MCR bit 1 0 then RTS 1 and serial transmitter is enabled For more information on the serial port registers including the MCR please refer to a standard PC AT hardware reference for the 16C550 UART or refer to RTDUSA application note ANC102 at http www rtdusa com The other way to enable the serial transmitter is to write to its corresponding bit of the utility Module s internal common register 4 which sets the serial transmitter in always on mode Please refer to Internal Common Register Section for detail Second COM port CN4 Please refer to the previous section on the first COM port CN3 for the description on CN4 Third COM port CN5 Please refer to the previous section on the first COM port CN3 for the description on CNS Fourth COM port CN6 Please refer to the previous section on the first COM port CN3 for the description on CN6 CM312 Quad Serial utilityModule 17 RTD Embedded Technologies Inc CM312 common registers The utilityModule includes 5 common registers to provide additional information and software control that is not required for normal COM port operation but may be helpfu
14. 0 INTERRUPT 5 IOBASE 0x360 SlotNumber 1 protman drivername PROTMANS S PRIORITY MS NDISHLP MS NDISHLP drivername ndishlp BINDINGS ms ne2clone ms nwlink drivername nwlink FRAME Ethernet_802 2 BINDINGS ms ne2clone LANABASE 0 Packet Drivers The packet driver is loaded using the following syntax NE2000 n d w packet int no int level lt io_addr gt Using the default settings this would be entered as CM312 Quad Serial utilityModule 35 RTD Embedded Technologies Inc NE2000 0x60 0 5 0 340 If the use of ODI drivers is requested preferred it is possible to use the ODI packet driver LSL NE2000 IPXODI ODIPKT 0x60 NET CFG LINK SUPPORT buffers 8 850 LINK DRIVER NE2000 PORT 360 INT 5 FRAME ETHERNET_ 802 3 FRAME ETHERNET II FRAME ETHERNET 802 2 FRAME ETHERNET SNAP PROTOCOL IPX 0 ETHERNET 802 3 Remote Boot Examples The following examples illustrate configuration of the module for use in a remote boot application RPL from a WindowsNT server 3 5 1 Install RPL Service on your WindowsNT Server 2 Copy DOS 6 22 files in WINNT35 RPL RPLFILES BINFILES DOS622 3 Copy NE2000 DOS WINNT35 RPL BBLOCKS NDIS remember not to flag the files IO SYS and MSDOS SYS as Hidden or System 4 From a DOS window run RPLCMD 5 add Vendor VendorName 00E0C7 comment RTDUSA NE2000 6 add boot b a BootName DOS VendorName 00D08 1 BBCFile BBLOCK NETBEUI NE2000 DOSBB CNF 7
15. 000000 21 CN eee e ae seesaw ec bleu t 22 CM312 Quad Serial utilityModule 1 RTD Embedded Technologies Inc Chapter 1 INTRODUCTION This manual gives information on the CM312 Communications utilityModule This module supports four versatile serial ports with jumper configurable IRQ lines and I O addresses and one 10Base T 10Base 2 ethernet interface for your PC 104 applications CM312 Communications utilityModule The CM312 Communications utilityModule was designed to provide four versatile serial ports and an ethernet interface to support the RTD Embedded Technologies Inc cpuModules and other standard PC 104 processor modules Features The following are major features of the CM312 utilityModule Serial ports e Compatibility with the Industry Standard 16C550 e Upto 1 5 Mbps baud transmit receive operation 24Mhz e 16 byte transmit FIFO 16 byte receive FIFO with error flags e Independent transmit and receive control e Standard modem interface e Jumper selectable to interrupt line base address RS232 RS422 485 mode per port e Jumper selectable enable disable per port e Includes 42 different selectable I O base addresses e Extended temperature range 40 to 85C e Low power consumption e Typical from single 5 V power supply Ethernet NE2000 compatible Ethernet controller e LG Semicon 82C911 chipset e internal 16k RAM Multiple Ethernet interfaces e 10Base
16. CM312 Communications utilityModule User s Manual RTD Embedded Technologies Inc Real Time Devices Accessing the Analog World BDM 610020017 Rev B 1509001 and AS9100 Certified CM312 Communications utilityModule User s Manual RTD Embedded Technologies INC 103 Innovation Blvd State College PA 16803 0906 Phone 1 814 234 8087 FAX 1 814 234 5218 E mail sales rtd com techsupport rtd com web site http www rtd com Revision History 08 07 2000 Initial release 12 01 2000 Added RS 422 485 enable bit in common register 4 6 5 2001 Changed RTD s address 12 4 2001 Added drawing for RS 422 485 configuration Rev A New Manual Naming Method Rev B 02 26 2009 corrected cable kit name and corrected company name Published by RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 Copyright 1999 2002 2003 by RTD Embedded Technologies Inc All rights reserved Printed in U S A The RTD Logo is a registered trademark of RTD Embedded Technologies cpuModule and utilityModule are trademarks of RTD Embedded Technologies PhoenixPICO and PheonixPICO BIOS are trademarks of Phoenix Technologies Ltd PS 2 PC XT PC AT and IBM are trademarks of International Business Machines Inc MS DOS Windows Windows 95 Windows 98 and Windows NT are trademarks of Microsoft Corp PC 104 is a registered trademark of PC 104 Consortium other trademarks appearin
17. DRQI REFRESH SYSCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2 TC BALE 45V OSC 0V OV RTD Embedded Technologies Inc Table 6 104 Bus Connector PC 104 AT Bus Connector CN2 Pin Row C Row D 0 OV OV 1 SBHE 516 2 LA23 IOCS16 3 LA22 IRQIO 4 LA21 IRQII 5 LA20 IRQ12 6 19 15 7 18 14 8 17 DACKO 9 MEMR DRQO 10 MEMW 11 508 DRQ5 12 SD9 DACK6 13 SD10 DRQ6 14 5011 DRQ6 15 SD12 DRQ7 16 SD13 5V 17 SD14 MASTER 18 5015 OV 19 KEYING PIN OV Note Two locations on the bus have mechanical keying pins to help prevent misconnection of the PC 104 bus These keying pins are a part of the PC 104 standard and we strongly recommend you leave them in place If you have other modules without keying pins we suggest you modify them to include keying First COM port CN3 The first serial port is implemented on connector CN3 It can be configured as a PC compatible full duplex RS232 port or as half or full duplex RS422 or RS485 through mode jumper JP8 The address is configurable in respect to SW1 address table and corresponding interrupt is also selectable through jumper JP1 to be IRQ3 IRQ4 5 IR6 IRQ7 9 10 IRQ11 IRQ12 IRQ14 and IRQI5 But you need to make sure that there are no resource conflicts on the I O base address and interrupt line you choose The serial port is implemented with a 16C550 compatible UART Universal Asynchronous R
18. ET_II Primarily used by TPC IP ETHERNET 802 3 Default frame for Netware 3 11 ETHERNET 802 2 Default frame for Netware 3 12 and 4 x e ETHERNET SNAP Primarily used by Appletalk IEEE 802 MAC number The CM202 utilityModule is identified with an Organizationally Unique Identifier OUI and company id number 00 D0 81 The MAC Media Access Control number of the utilityModule is thus 00 D0 81 xx xx xx where the last three bytes are the serial number of the board unique for each adapter CM312 Quad Serial utilityModule 43 RTD Embedded Technologies Inc Chapter 7 RETURN POLICY AND WARRANTY Return Policy If you wish to return a product to the factory for service please follow this procedure Read the Limited Warranty to familiarize yourself with our warranty policy Contact the factory for a Return Merchandise Authorization RMA number Please have the following available Complete board name e Board serial number A detailed description of the board s behavior List the name of a contact person familiar with technical details of the problem or situation along with their phone and fax numbers address and e mail address if available List your shipping address Indicate the shipping method you would like used to return the product to you We will not ship by next day service without your pre approval Carefully package the product using proper anti static packaging Write the RMA number in large 1 letter
19. Ethernet Bus RG 11 coaxial CM312 Quad Serial utilityModule 40 RTD Embedded Technologies Inc Types of Ethernet cable Ethernet uses one of three standard cable types Ethernet Type 10Base T 10Base 2 10Base 5 Cable type UTP RG 58 RG 11 Impedance 100 Ohm 500 50 Ohm Denomination unshielded twisted pair Ethernet thin Ethernet thick yellow cable Note Although 8 conductor telephone wire is commonly used for 10 connections this type wire is not the correct 100 ohm UTP as it does not use twisted pairs Using such wire may cause excessive crosstalk resulting in a large number of collisions and poor network performance CM312 Quad Serial utilityModule 41 RTD Embedded Technologies Inc 10Base T Wiring Convention 10Base T Ethernet uses the following wiring convention when connecting a node to a hub It is suggested you use this convention for consistency First End RJ45 PIN Pair No wire color 1 3 W G to 2 W O 1 2 3 G to 2 2 3 2 W O to 3 W G 3 4 to 4 5 W BL to W BL 5 6 2 to 3 G 6 7 4 W BR to 4 W BR 7 8 4 BR to 4 BR 8 Note W G White Green G Green W O White Orange Orange W BL White Blue BL Blue W BR White Brown Brown CM312 Quad Serial utilityModule 42 RTD Embedded Technologies Inc Ethernet frames The following are standard Ethernet frames e ETHERN
20. ITCH AND JUMPER TABLES cccccsssssceeecceseeenssseeecceceesessseeececcesesssseeeeeceeseessseeeeeececeesesaeeeeceeseeesesseeeeeeseseetaaea 6 TABLE 3 BASE ADDRESS TABLE FOR COM PORTS cssssssssceeeeeeeesessceeececceecessseeeecceeeeessseeeeecceceesssaseeeccesesssssseeeeeeceeeneaaes 8 a vise EE 12 TABLE S PG 104 XT BUS CONNECTOR Waterss 13 TABLE 6 104 BUS CONNECTOR 2 1 12 212 2 000000000000000000000000000000000 0 14 TABLE 7 CONNECTOR CN3 IN RS 232 2 2 001 0000000000000000000000000000000000 15 TABLE 8 CONNECTOR CN3 PIN LOCATION IN RS 232 0 20 2 22 2 1 000 00 00 0000 15 TABLE 9 CONNECTOR CN3 IN RS422 485 16 TABLE 10 CONNECTOR CN3 PIN LOCATION IN RS422 485 17 Table of Figures FIGURE 1 SWITCH amp JUMPER LOCATIONS ccsssssccccccesssssseccescccessssssneeseceessessseeseeceesensssaeeeecceseessaeeesecesesssaeeesseeceneeaaes 4 FIGURE 2 12 FIGURE 3 RS 422 485 MODE 0000 000000000 000000000000 20 FIGURE 4 CN8 RJ 45 JACK CONNECTOR 2 2 1 2 020 000000000000000000000000000
21. SLANMAN DOS DRIVERS ETHERNET NE2000 NE1000 NIF MSLANMAN OS2 DRIVERS ETHERNET NE2000 NE1000 NIF PACKET DRV TOOLS Server Examples The following examples illustrates configuration of the module for use as a server Novell Netware 2 2 The NE2000 Netware Driver is configurable and may operate with a variety of selections for I O Address and Interrupt These options should be selected via ECONFIG DCONFIG and NETGEN for 2 15 or INSTALL for 2 2 utilities which are provided with the Netware distribution diskettes To generate the 2 15 dedicated server from an existing Network Disk 1 Create NET OS This can be done from any station attached to the network server run netgen e Select Network Configuration Our driver e Link Configure Netware Operating System 2 Now that NET OS has been generated do the Netware Installation On the server PC you are configuring CM312 Quad Serial utilityModule 30 RTD Embedded Technologies Inc e boot DOS from a floppy login to the network server run netgen and select Netware Installation e reboot from hard disk To generate the 2 2 server from an existing Network Disk e Boot DOS from a floppy login to the network server e Runinstall when prompted to select NE2000 driver e reboot from hard drive Novell Netware 3 4 Use the install nlm utility loaded from the server console load in
22. T 26 G0 POP DIPL 26 MEDIDA 26 5 vetet velim esti LE IM Mu Le 26 POWER CONSUMPTION S005 eto secs ee uot exe tee ive teat et estuve estt eb reed 27 CHAPTER 5 SOFTWARE 000 2 4 44400000 28 SOPEWARE INSTALLATION EON SEEN E PEE ae eee bees 28 THE CM312SET PROGRAM eR cee i er Ui eem eive eges 28 Using at dian itat aedi aedi 28 NEIO000 Mode ih dte EG tee ed RU E EE e HARE 28 E S 29 SERVER EXAMPLES ite eite 30 NOWELL 2 22 0 eet osos eeu eheu Eo ee oe etu adeo os nes 30 To generate the 2 15 dedicated server from an existing Network Disk 30 To generate the 2 2 server from an existing Network 31 Netware T 31 CEIENT EXAMPLES este d rond 33 ODI Drivers IPX for NetWare neon 3 e 33 ODI Drivers IPX for MS Windows sait 33 NDIS DFVeES Quis nose
23. T UTP unshielded twisted pair e 10 2 BNC Software Configurable CM312 Quad Serial utilityModule 2 RTD Embedded Technologies Inc e Jumperless configuration for I O address interrupt mode e Configuration stored in EEPROM Boot ROM socket e Allows remote booting of cpuModule from file server Software Included e Self explanatory diagnostic program included Connectors and Switches Connectors provided are e CNI PC 104 Bus XT e CN2 PC 104 Bus AT e First COM port e CN4 Second COM port e CN5 Third COM port e CN6 Fourth COM port e CNS8 10Base T port RJA5 e CNI4 10Base 2 port BNC Switches provided are e SW1 ports address selection Jumpers provided are e First COM port IRQ e JP2 Second COM port IRQ Third COM port IRQ 4 1 4 Fourth COM port IRQ 4 JP5 Serial port clock source select e JPT e 1 8 First COM port mode and termination 4 9 Second COM port mode and termination e JPI10 Third COM port mode and termination e Fourth COM port mode and termination Recommended Cables XK CM30 General Specifications e Dimensions 3 8 x 3 9 x 0 6 97 x 100 x 16 mm e Weight mass 3 0 ounces 85 grams e Operating conditions e Temperature 0 70 degrees e Relative humidity 0 95 non condensing e Storage temperature 55 to 125 degrees CM312 Quad Serial utilityModule 3 RTD Embedded Technolog
24. X Transmit out 2 TX Transmit out 3 RX Receive in 4 N C not connected 5 N C not connected 6 RX Receive in 7 N C not connected 8 N C not connected The figure below shows the pin numbering of CN8 when looking into the connector 12345678 Figure 4 CN8 RJ 45 Jack Connector 8 is a standard female RJ 45 connector One example of a mating plug is e 5 554739 3 unshielded 10Base T connector CN10 Connector CN10 is for UTP Unshielded Twisted Pair wiring normally used for 10Base T Ethernet It is wired in parallel with CN8 Don t try to use both CN8 and CN10 at the same time The following table gives the pinout of CN10 Pin Signal Function in out 1 TX Transmit out 2 RX Receive in 3 TX Transmit out 5 RX Receive in 4 6 10 N C not connected CM312 Quad Serial utilityModule 21 RTD Embedded Technologies Inc 10Base 2 connector 14 Connector CN14 is BNC bayonet connector for coaxial cable normally used with 10Base 2 Ethernet The pinout of CN14 is Pin Signal Function 1 SIGNAL Signal to 50 ohm cable 2 GND Signal Ground Figure 5 BNC Connector CN14 Power Protection Circuitry To reduce the risk of damage due to power supply problems the utilityModule includes several protective components Module Power Supply Protection The utilityModule includes a component to help prevent damage due to problems with the 5 Vdc power supply from the PC 104
25. e 1 CM312 Quad Serial utilityModule 37 RTD Embedded Technologies Inc xif drivername ipx load ipxmark u ipx u unload ipxrel c bindings ne2000_nif lanabase 1 msdlc_xif drivername msdlc bindings ne2000_nif load msdlc ub unload msdlc u ne2000 nif drivername NE2 INTERRUPT 5 IOBASE 0 360 CM312 Quad Serial utilityModule 38 RTD Embedded Technologies Inc Driver Disk Utility Disk The utilityModule includes menu driven diagnostic program Loop back plugs are required to run this program CM312 Quad Serial utilityModule 39 RTD Embedded Technologies Inc Chapter 6 REFERENCE INFORMATION This chapter contains reference information concerning Ethernet References e Types of Ethernet e Types of Ethernet Cable e Ethernet Frames EEE 802 MAC Number Ethernet References To learn more about Ethernet you might start with Charles Spurgeon s Ethernet Website http wwwhost ots utexas edu ethernet ethernet home html This site provides thorough overviews of 10 Mbps and faster Ethernet Types of Ethernet There are three standard types of 10 Megabit Ethernet of which 10Base T is by far the most common and 10Base 5 is by far the least common Ethernet Nickname Data transfer Topology Cable type Maximum Segment length Type rate 10Base T Cheapernet Star 100 ohm UTP unshielded twisted pair 10Base 2 Thin Ethernet Bus RG 58 coaxial 10Base 5 Thick
26. eceiver Transmitter This UART is capable of baud rates up to 1 5 M with the 24 MHz clock input and 115 2K with the 24 MHz 13 clock input CM312 Quad Serial utilityModule 14 RTD Embedded Technologies Inc RS232 Serial Port Default The full duplex RS232 mode is the default setting on the utilityModule With this mode enabled connector CN3 must be connected to RS232 compatible devices The following table gives the connector pinout and shows how to connect to an external serial connector either DB25 or DB9 compatible Connector CN3 in RS 232 Mode Table 7 Connector CN3 in RS 232 Mode CN3 Pin Signal Function In out DB25 DB9 1 DCD Data Carrier Detect In 8 1 2 DSR Data Set Ready In 6 6 3 RXD Receive Data In 3 2 4 RTS Request To Send Out 4 7 5 TXD Transmit Data Out 2 3 6 CTS Clear To Send In 5 8 7 DTR Data Terminal Ready Out 20 4 8 RI Ring Indicate In 22 9 9 10 GND Signal Ground 7 5 Facing the connector pins the pinout is pictured in the following Table 8 Connector CN3 pin location in RS 232 Mode 9 7 5 3 1 GND DTR TXD RXD DCD GND RI CTS RTS DSR 10 8 6 4 2 CM312 Quad Serial utilityModule 15 RTD Embedded Technologies Inc RS422 RS485 Serial Port You can change the mode switch to set the first port as RS422 or RS485 In this case you must connect CN3 to an RS422 or RS485 compatible device When using RS422 or RS485 mode you can use the por
27. es MCR bit 3 and interrupt outputs are enabled continuously Default to 0 to set COM ports in normal mode For each CNx bit 0 use RTS to enable transmitter default case 1 transmitter always on CM312 Quad Serial utilityModule 19 RTD Embedded Technologies Inc BA 5 RS 422 TxD operation W 7 6 5 4 3 2 1 0 TxD CN6 TxD CN5 TxD CN4 TxD CN3 CN6 CN5 CN4 CN3 For each CNx bit 0 use RTS to enable transmitter or transmitter always on as defined by BA 4 register CNx bit 1 Use TxD to enable transmitter transmitter data is tied low For each Txd CNx bit if corresponding CNx bit is 1 0 Use TxD to enable transmitter 1 Use inverted TxD to enable transmitter DW OR REG4 3 0 45V 9 BIT PER CHANNEL RTS o 1 0 REG4 5 LL HANNEL TxD 9 Enable 1 REGS 4 5 3 0 CHANNEL CHANNEL RS 422 485 Driver RS 422 485 mode configuration All switches are shown in power default conditions Figure 3 RS 422 485 Mode Configuration CM312 Quad Serial utilityModule 20 RTD Embedded Technologies Inc 10Base T connector 8 Connector 8 is for UTP Unshielded Twisted Pair wiring normally used for 10Base T Ethernet It is wired in parallel with CN10 Don t try to use both CN8 and CN10 at the same time The following table gives the pinout of CN8 Pin Signal Function in out 1 T
28. g in this document are the property of their respective owners Table of Contents CHAPTER 1 INTRODUCTION maia dud d i 2 CM312 COMMUNICATIONS UTILITY MODULE ccce 2 a 2 Connectors SWItChES cccsccccccccccccssssseccccccccsssssceccccccuuusscecceccccuuuscccecsccsauusssccecceceauuascececsceuuuuaseececseeuuuaaseeceseseuaas 3 Recommended Cables Vedrine tores wasted ove re etu ata eee ee vea ode ve eee uev ea vaa Pee o e 3 General Specifications RR Pp IE RR rt qp YU Nr rra Ee 3 Jumpers Witches uii Here BU DA E Ree et ETE ITI LARGE 4 e Pei 4 Default Sete SS eee ne t D tu aod eesti te 5 Descriptions iet a deren ete e 6 ETHERNET EEPROM 22 8 Defa lt 9 CHAPTER 2 INSTALLING THE UTILITYMODULE 11 RECOMMENDED 11 11 sa IG Uw RS te Ce
29. ies Inc Configuring the utilityModule The following sections contain information on configuring the utilityModule Please read this entire section before attempting to use the utilityModule Jumpers and Switches Locations The figure below shows switch and jumper locations JP7 68 Tez 96 o0 co x 39 Ont ofo NI JP8 JP11 z z 1 2 Enable 3 4 Mode Terminations 5 6 RxD SWi e l 7 8 5 9 9 looo ji C5 HH O JP5 Figure 1 Switch amp Jumper Locations CM312 Quad Serial utilityModule 4 RTD Embedded Technologies Inc Default Settings The utilityModule is delivered from the factory configured according to the following table Table 1 Default Jumper Settings Jumper Setting JP1 3 4 4 for 1 COM port G jumper Installed 1K pull down resister on IRQ4 line JP2 1 2 IRQ3 for 2 COM port G jumper Installed 1K pull down resister on IRQ3 line JP3 5 6 IRQS for 3 COM port G jumper Installed
30. ion on CTS for RS422 485 modes 7 8 open No termination on CTS RS422 485 modes Default 1 2 and 3 4 installed 5 6 and 7 8 open to select enabled for RS 232 mode with no termination COM port configuration 1 2 installed Disable Port 1 2 open Enable Port 3 4 installed select RS 232 mode 3 4 open select RS 422 485 mode 5 6 installed 120 ohm termination on RxD for RS422 485 modes 5 6 open No termination on RxD RS422 485 modes 7 8 installed 120 ohm termination on CTS for RS422 485 modes 7 8 open No termination on CTS RS422 485 modes Default 1 2 and 3 4 installed 5 6 and 7 8 open to select enabled for RS 232 mode with no termination JP11 COM port configuration Fourth 1 2 installed Disable Port COM port 1 2 open Enable Port 3 4 installed select RS 232 mode 3 4 open select RS 422 485 mode 5 6 installed 120 ohm termination on RxD for RS422 485 modes 5 6 open No termination on RxD RS422 485 modes 7 8 installed 2 120 ohm termination on CTS for RS422 485 modes 7 8 open No termination on CTS RS422 485 modes Default 1 2 and 3 4 installed 5 6 and 7 8 open to select enabled for RS 232 mode with no termination base address switch See Base Address Table for details CM312 Quad Serial utilityModule 7 RTD Embedded Technologies Inc Table 3 Base address table for COM ports COM port addresses base address in Hex for eight 8 bit registers
31. l in determining the status of the board and configuring of the board The following two sections give the location and definition of the common registers Base Address of Common Registers The utilityModule common registers are located 800h above the address of the first enabled COM port That is assuming that X in hex is the first enabled COM port base address which can be any of the valid addresses listed in the Com Port Address Table the base address for the common registers is Y in hex then Y X 800 For example if the switches of SW4 are set all DOWN position which makes CN3 3E8h 2E8h CN5 280h and CN6 288h then according to the algorithm the common registers base address BA will be the following depending the setting of enable switch SW2 for each serial port If CN3 is enabled then BA 3E8h 800h 8 Else if CN3 is disabled AND CN4 is enabled then BA 2E8h 800h AE8h Else if CN3 and CN4 are disabled AND CNS is enabled then BA 280h 800h A80h Else if CN3 CN4 and CNS are disabled AND is enabled then BA 288h 800h A88 A80h Else if CN3 CN4 CN5 and CN6 are disabled then Common Registers are disabled End If CM312 Quad Serial utilityModule 18 RTD Embedded Technologies Inc Common Register definitions BA 0 Interrupt Status Read Only
32. ologies Inc FRAME ETHERNET_ 802 3 FRAME ETHERNET II FRAME ETHERNET 802 2 FRAME ETHERNET SNAP PROTOCOL INI network setup version 0x3110 netcard ipxmono 1 mono IPXMONO LANABASE 0 NDIS Drivers Create a startup disk using WinNT 3 50 e the program Network Client Administrator in the group Network Administration e choose Make Network Installation Startup Disk Continue Path EAClients E CD ROM di WINNT3 50 Share Name Clients Or Use Existing Share Directory and hit OK e choose Network Client Network Client v3 0 for MS DOS and Windows Network Adapter Card NE2000 compatible and hit OK e choose name for the client computer Network Protocol NWLink IPX Compatible Protocol hit OK OK this creates a startup floppy for the module AUTOEXEC BAT echo off path a net CM312 Quad Serial utilityModule 34 RTD Embedded Technologies Inc a net net initialize a net nwlink a net net start net use 7 SERVER_NT Clients echo Running Setup z msclient netsetup setup exe CONFIG SYS files 30 device a net ifshlp sys lastdrive z DEVICE A NET HIMEM SYS DEVICE A NET EMM386 EXE NOEMS DOS HIGH UMB PROTOCOL INI network setup version 0x3110 netcard ms ne2clone 1 MS NE2CLONE 1 transport ms ndishlp MS NDISHLP transport ms nwlink MS NWLINK lana02msS ne2clone 1 ms nwlink lanal ms ne2clone 1 ms ndishlp ms ne2clone drivername MS200
33. or a malfunctioning device on the network LNK LED The LED is turned on when a valid 10Base T link is detected by the chipset It is only active when using the 10Base T UTP connection with link integrity checking enabled If it is off the UTP wiring may be broken or incorrect link integrity checking may be disabled or you may be using the 10 2 or AUI interface Boot ROM Socket In some applications you may wish to use the boot ROM socket of the utilityModule to boot a connected cpuModule from a remote server The socket will accomodate a 32 pin PLCC EPROM or Flash memory devices of size 8k 16k 32k or 64k bytes The device must be a byte wide architecture The boot ROM feature can be enabled using the CM312SET program described on page 28 CM312 Quad Serial utilityModule 26 RTD Embedded Technologies Inc Power Consumption Power consumption of the utilityModule depends on which Ethernet interface is used and the degree of activity on the network The following table gives typical power consumption Configuration Consumption AUI BNC 200 mA 200 mA 200 mA CM312 Quad Serial utilityModule 27 RTD Embedded Technologies Inc Chapter 5 SOFTWARE INSTALLATION This chapter contains information on e Software installation e CM312SET Program e Server Examples e Client Examples e Client Remote Boot Examples Soflware installation There is no installation program for the supplied software We sugge
34. port G jumper Removed No pull down resister added on IRQ10 from PORT4 CM312 Quad Serial utilityModule 25 RTD Embedded Technologies Inc Chapter 4 USING THE UTILITYMODULE ETHERNET PORTS Using the utilityModule is straightforward and essentially identical to any other Ethernet card When CM312 module is powered on data in the EEPROM on board is transferred to Ethernet controller s internal configuration registers The data in the EEPROM contains information configuration such as the base address of the card the active interrupt line on the PC 104 bus for Ethernet access the media type in use etc The factory default setting of the board is at I O address 0x320 and IRQ 5 And if there is a resource conflicting you need to change your setting on CM312 with the other I O boards removed temporally by executing CM312SET program as described in the later chapter The following sections describe e Diagnostic LEDs e Boot ROM socket e Power Consumption Diagnostic LEDs If CN8 the RJ45 connector has two LEDs that are used to indicate status and provide some diagnostic information in case of malfunctions Name Meaning Normal State COL Collision Detected Off LNK Link established UTP On 10Base T only COL LED The LED is normally off and flashes when the module detects a collision on the network Collisions may be due to low quality cable which allows crosstalk between the transmit and receive pairs miswiring
35. s on the outside of the package Return the package to RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 USA CM312 Quad Serial utilityModule 44 RTD Embedded Technologies Inc Limited Warranty RTD Embedded Technologies Inc warrants the hardware and software products it manufactures and produces to be free from defects in materials and workmanship for one year following the date of shipment from RTD Embedded Technologies INC This warranty is limited to the original purchaser of product and is not transferable During the one year warranty period RTD Embedded Technologies will repair or replace at its option any defective products or parts at no additional charge provided that the product is returned shipping prepaid to RTD Embedded Technologies All replaced parts and products become the property of RTD Embedded Technologies Before returning any product for repair customers are required to contact the factory for an RMA number THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCTS WHICH HAVE BEEN DAMAGED AS A RESULT OF ACCIDENT MISUSE ABUSE such as use of incorrect input voltages improper or insufficient ventilation failure to follow the operating instructions that are provided by RTD Embedded Technologies acts of God or other contingencies beyond the control of RTD Embedded Technologies OR AS A RESULT OF SERVICE OR MODIFICATION BY ANYONE OTHER THAN RTD Embedded Technologies EXCEPT AS
36. s reinitialized NE1000 Mode NE1000 mode can be used to allow the utilityModule to operate with an 8 bit XT cpuModule In NE1000 mode only IRQ2 IRQ3 IRQ4 IRQ5 are available You cannot use IRQ10 IRQ11 12 15 with an 8 bit system bus CM312 Quad Serial utilityModule 28 RTD Embedded Technologies Inc Software drivers The floppy supplied with the utilityModule contains the following or newer versions of drivers NetWare 4 x Client and Server Drivers use 2000 1000 compatible drivers provided with the Operating System NetWare 3 x Server use the NE2000 NE1000 compatible drivers provided with the Operating System NetWare 2 x Server use the NE2000 NE1000 compatible drivers provided with the Operating System ODI Workstation NE2000 COM Ver 1 54 NE1000 COM 1 28 NDIS Drivers 3 0 e Windows for Workgroups e Windows95 e Windows NT3 x NT4 x use NE2000 compatible drivers provided with the Operating System LanManager for DOS use the NE2000 NE1000 compatible drivers provided with the Operating System LanManager for OS 2 use the NE2000 NE1000 compatible drivers provided with the Operating System Packet Driver NE2000 COM _ Ver 4 1 NE1000 COM Ver 11 5 3 CM312 Quad Serial utilityModule 29 RTD Embedded Technologies Inc The directory structure of the disk is NDIS30 NETWARE NW286 FS NW3 X NW4 X NWODI M
37. ser may select the media type to be used This option is specified via parameter passing in the command line The parameter name is MEDIA_TYPE The value following the keyword must be one of the following e AUTO for automatic selection 5 for 10BaseT e AUI for AUI interface If the MEDIA_TYPE keyword is not present the driver will use the module s EEPROM default CM312 Quad Serial utilityModule 32 RTD Embedded Technologies Inc Client Examples The following examples illustrates configuration of the module for use as a client ODI Drivers IPX for NetWare STARTNET BAT cd net 151 2000 ipxodi netx PS Server_neme Login_name NET CFG in c net directory LINK DRIVER NE2000 PORT 360 INT 5 FRAME ETHERNET_ 802 3 FRAME ETHERNET II FRAME ETHERNET 802 2 FRAME ETHERNET SNAP MEDIA TYPE AUI NODE ADDRESS EC1000013114 ODI Drivers IPX for MS Windows In this examples we have used the ODI drivers that are used by NetWare too You can find them in the directory WNETWARENWODDF of the drivers floppy disk Windows for workgroup see them as monolitic drivers AUTOEXEC BAT echo off path C WFW DOS c c dos prompt p g cdWFW DOS 151 2000 ipxodi net start CONFIG SYS files 40 buffers 40 device C WFW DOS ifshlp sys LASTDRIVE Z NET CFG Link Support buffers 8 850 LINK DRIVER NE2000 PORT 360 INT 5 CM312 Quad Serial utilityModule 33 RTD Embedded Techn
38. st you create a directory named CM312 on your target drive and copy all files and subdirectories from the supplied floppy disk into that directory CM312SET Program The TOOLS directory of the supplied floppy disk contains the setup and diagnostic utility CM312SET EXE Using CM312SET Since CM312 utility module is a jumperless I O board complete software configurable with all its configuration data stored in EEPROM CM202SET is a utility program that let you view or change the existing setting of the board When you run the CM312SET program the utility looks at all possible I O addresses If no module is found or if there is a conflicting the utility quits with a message When the module is found and correctly operating the utility displays lines indicating the active address the interrupt the Media Type in use the compatibility mode selected NE2000 or NE1000 and the MAC address of the board You can use the program to change settings for I O address Interrupt Media Type Remote Boot Prom and compatibility mode and save your selection either into the configuration registers or to both registers and EEPROM Saving to registers only will allow you to perform test with the settings in your system but the settings will be lost when power off In order to change the setting for future operation you need to save your changes to both registers and EEPROM These settings then are recalled from EEPROM whenever the module i
39. stall to create an autoexec file as shown below AUTOEXEC NCF file server name BIGKAHOONAS ipx internal net 10 load c ne2000 PORT 360 INT 5 bind ipx to ne2000 net 1 mount all Typing SERVER at the DOS prompt will load the server and our driver Be sure ne2000 lan is in the directory Driver configurable options are BASE May be set by including the following in the command line Port xxx where xxx can be 300 320 340 360 Be sure the board is set to the same I O address otherwise the driver won t find the board and the message Hardware Error NE2000 Bank Select port failed to respond will appear INTERRUPT NUMBER May be set by including the following in the command line Int x where x can be 2 3 4 5 10 11 12 15 Defaults to EEPROM configuration if not present NODE ADDRESS The board has a unique IEEE address but it may be overwritten by including the following in the command line Node Where xxxxxxxxxxxx is 12 digit hex number non multicast or broadcast CM312 Quad Serial utilityModule 31 RTD Embedded Technologies Inc The default is the board s unique IEEE address if this line is not present FRAME TYPE May be set by including the following in the command line Frame lt type gt where lt type gt is ETHERNET_802 3 ETHERNET_802 2 ETHERNET_II ETHERNET_SNAP This defaults to ETHERNET_802 3 if the line is not present MEDIA TYPE SELECTION The u
40. t in either half duplex two wire or full duplex four wire configurations For half duplex 2 wire operation you must connect RXD to TDX and connect RXD to TXD Note Two 120 ohm termination resistors are provided on the utilityModule Termination is usually necessary on all RS 422 receivers and at the ends of the RS 485 bus If the termination resistor is required it can be enabled by closing jumper JP8 5 6 for RxD and or 7 8 CTS RS422 and RS485 Mode Pinout The following table gives the pinout of connector CN3 when RS422 or RS485 modes are enabled Table 9 Connector CN3 in RS422 485 Mode CN3 Pin Signal Function In out DB9 1 RTS Request to send Out 1 2 RTS Request to send Out 6 3 RXD Receive Data In 2 4 TXD Transmit Data Out 7 5 TXD Transmit Data Out 3 6 RXD Receive Data In 8 7 CTS Clear to send In 4 8 CTS Clear to send In 9 9 10 GND Signal Ground 5 CM312 Quad Serial utilityModule 16 RTD Embedded Technologies Inc Facing the connector pins the pinout is pictured in the following Table 10 Connector CN3 pin location in RS422 485 Mode 9 7 5 3 1 GND CTS TXD RXD RTS GND CTS RXD TXD RTS 10 8 6 4 2 Notes using RS422 RS485 Modes When using the serial port in RS422 or RS485 mode the serial receiver is always enabled however the serial transmitter is enabled and disabled under software
41. upt controller from functioning correctly Let consider two cases to demonstrate the concepts for the above discussion Let us assume that 5 and 10 are not used and driven by other devices in the system For the first case 10 line is shared among the four serial ports and for the second case 5 is shared for port 1 and port 2 while 10 is shared among port 3 and port 4 The following two tables listed the interrupt jumper settings for each case respectively Table 11 Jumper Settings for interrupt sharing Case 1 Jumper Setting 1 1 13 14 10 for 1 COM port G jumper Installed pull down resister added on 10 from PORTI JP2 13 14 IRQIO for 2 COM port G jumper Removed pull down resister added on IRQ10 from PORT2 JP3 13 14 IRQIO for 3 COM port G jumper Removed No pull down resister added on IRQ10 from PORT3 JP4 13 14 IRQIO for 4 COM port G jumper Removed No pull down resister added on from PORT4 CM312 Quad Serial utilityModule 24 RTD Embedded Technologies Inc Table 12 Jumper Settings for interrupt sharing Case 2 Jumper Setting 5 6 IRQS for 1 port G jumper Installed 1K pull down resister added on IRQ5 from PORT1 JP2 5 6 IRQS for 2 COM port G jumper Removed No pull down resister added on IRQ5 from PORT2 JP3 13 14 IRQIO for 3 COM port G jumper Installed 1K pull down resister added on IRQ10 from PORT3 JP4 13 14 IRQIO for 4 COM
42. uses a PC 104 stackthrough bus the only hardware installation you will do is placing the module to the PC 104 stack To do this you will connect the PC 104 bus connector with the matching connector of another module Recommended Procedure We recommend you follow the procedure below to ensure that stacking of the modules does not damage connectors or electronics e off power to the PC 104 system or stack e Select and install standoffs to properly position the utilityModule on the PC 104 stack e Touch a grounded metal part of the stack to discharge any buildup of static electricity e Remove the utilityModule from its anti static bag e Check that keying pins in the PC 104 bus connector are properly positioned e Check the stacking order make sure an XT bus card will not be placed between two AT bus cards or it will interrupt the AT bus signals e Hold the utilityModule by its edges and orient it so the bus connector pins line up with the matching connector on the stack e Gently and evenly press the utilityModule onto the PC 104 stack CAUTION Do not force the module onto the stack Wiggling the module or applying too much force may damage it If the module does not readily press into place remove it check for bent pins or out of place keying pins and try again Connecting the utilityModule The following sections describe connectors of the utilityModule Finding Pin 1 of Connectors A white area silk screened on the
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