Moxa Technologies C360 User's Manual
Contents
1. e Async B ReRe ISS e L type Plate Async Concentrator with Rack Mount Kit installed Front View L type Plate L Type Plate AR C AA Hardware Installation 9 Chapter 2 2 3 Serial Number of the Async Concentrator It is the unique number identifying an Async Concentrator and written on a sticker which can be found at the left side of the rear panel of each Async Concentrator User has to type in the serial number when setup the driver in the system Under DOS user can use Auto Search Serial No function of the setup program to detect the serial number s of all the existing Async Concentrator s for convenience without typing the serial number s one by one Under UNIX Auto Search function is not available at the time of driver installation due to that the C360 driver is not in the UNIX system at that time 2 4 LED Indicators C360 Control Board The green link LED labeled Lk lights up to indicate that a valid IOBASE T link beat is established It should be ON under normal operating condition If the LED remains off after power is applied check for a proper RJ 45 connection Async Concentrator After powering on the Async Concentrator red indicator SO ON and 1 OFF means normal initialization status of the Async Concentrator And green indicator Tx and red indic2. For UNIX Users int Sio ioctl int port int baud int mode return 0 ok 1 bad port 2 time out 4 bad baud rate port port number baud 0 50 1 75 2 110 3 134 5 4 150 5 300 6 600 7 1200 8 1800 mode 9 2400 10 4800 11 7200 12 9600 13 19200 14 38400 15 57600 16 115200 17 230400 18 460800 bit cnt OR stop bit OR parity bit cnt bit 0 1 2 0x00 bit 5 0x01 bit 6 0x02 bit 7 0x03 bit 8 stop bit bit 3 0x00 1 0x04 stop 2 parity bit 4 5 0x00 none 0x08 odd 0x18 even 0x28 mark 0x38 space 7 Send break signal int sio_break int port int time return ok 1 bad port 2 time out 4 xmit disable 5 port is not open port port number time break time in tic 1 18 2 second 8 Flush Tx Rx buffer data 32 For UNIX Users Chapter 4 10 11 int sio_flush int port int func return 0 ok 1 bad port 2 time out 5 port is not open port port number func flush function clear the assigned queue 0 for input queue 1 for output queue 2 for input amp output queue Read the length of data queued in Rx buffer long sio_iqueue int port return gt 0 input queue size bytes 1 bad port 2 time out 5 port is not open port port number Read the length of data queued in Tx buffer long sio_oqueue int port return gt 0 length of transmitted data which still queued in Tx buffer 1 bad port 2 time o
3. to confirm Then the system will be rebuild This may take some time Wow If user answers no action will be taken 4 4 Programming the MOXA TTY Ports Using Standard UNIX API The system services that apply to standard tty port can also be applied to MOXA TTY port since they conforms to UNIX tty standard For example 25 Chapter 4 9 For UNIX Users open ioctl read write close etc Please refer to the UNIX Programmer s Reference manual However these system services only provide a limited functions and thus may not satisfy the sophisticated programmers need In order to meet the user s special needs MOXA supports extended services through ioctl command which are listed below Note that UNIX system services can not be applied to MOXA Non TTY ports and please refer to the next Section for more details Extended Function List for MOXA TTY Ports 1 MIBUFED 20x401 To get byte count in input buffer 2 MOBUFED 0 402 To get byte count in output buffer 3 MTCRTS 20x403 To control RTS output signal 4 MTCDTR 0 404 To control DTR output signal 5 MSTATUS 0x407 To read modem line status CTS DSR DCD 6 MHWFLOW 0x40e To enable disable the hardware flow control Function Description The following lists the syntax of MOXA extended functions for SCO UNIX The variable moxa fd is the returned file descriptor by open a specific MOXA TTY port For example int fd moxa
4. Tar files from driver diskette please wait Then the MOXA Multiport Board Installation Utility will show for board installation Follow the instructions prompted to install Now user may shutdown the system and reboot If user has trouble in booting the new UNIX kernel use the backup kernel unix moxa to boot the system The system will work as before Refer to Appendix A Troubleshooting After the system starts up again enter into the multiuser mode following message will show MOXA C360 SuperPort System Communication Driver Ver x xx Setup driver C360 Control Board 1 base I O address 200 IRQ 10 Async Concentrator s serial no 101 Device Driver Setup O K If the following error message appears C360 Control Board 1 base I O address 220 not found C360 Control Board 2 base I O address 240 found no concentrator Please see Appendix A Troubleshooting Chapter 4 9 For UNIX Users Step 6 Enable the Terminal port for login purpose Taking ttyall as an example for SCO UNIX OpenServer Open Desktop enable ttyall Or refer to the UNIX system manuals for how to activate a tty port 4 2 MOXA TTY and Non ITY Ports Even though C360 can provide up to 1024 serial port in a system only 256 ports among 1024 ports can be configured as TTY ports the rest ports as non TTY ports MOXA TTY ports follow the standard of UNIX tty ports But MOXA non TTY ports do not Instead they follow the Moxa d
5. This is the unique number identifying an Async Concentrator User has to type in the serial number when installing the driver into the system at the very first time Otherwise user can use Auto Search Serial No to detect the serial number s of all the existing Async Concentrator s for convenience without typing the serial number s one by one The unique serial number written on a sticker can be found at the left of the rear panel of each Async Concentrator TTY or Non TTY Specify TTY the for the Async Concentrator if all the 16 serial ports are to be used for login or standard UNIX tty purpose Otherwise specify non TTY for MOXA port usage If TTY is specified for an Async Concentrator user may enter H W Flow Control Settings dialog to specify H W Flow Control feature ON or OFF OFF is set as default This feature is for more flexible driver behavior If set to OFF default RTS CTS hardware flow control function in driver will be disabled and CTS signal from remote site is not needed for tty port to transfer data On contrary if set to ON RTS CTS hardware flow control function in driver will be enabled and CTS signal from remote site is needed for tty port to transfer data Any change of configuration such as adding or deleting Async Concentrator s changing from TTY to non TTY or non TTY to TTY will cause kernel rebuilding Note that changing only the serial number will not cause kernel rebuilding but Concentrator
6. b Then remove the C360 driver Refer to Section 4 3 for driver removal c Re install the C360 driver once more 40 Technical Reference 9 Appendix B Appendix B Technical Reference B 1 Ethernet Cabling Async Concentrators layout for C360 could be 10 2 BNC and or 10BASE T UTP which conforming to Ethernet cabling rule For 1OBASE T with HUBs the longest distance from C360 Control Board to the last Async Concentrator is 500 meters which is depicted as follows 100 meters 10 O C360 100 meters FD Hub 20 O D 100 meters 100 meters Asyne Concentrator Specifications for 10BASE T thin coaxial cable are as follows Cable characteristics 0 4 0 6 mm 22 26 AWG 8 wire Only 4 wires are used for 0 Max segment length 100 meters 41 Appendix B 9 Technical Reference For I10BASE 2 with repeaters the longest distance from C360 Control Board to the last Async Concentrator is about 1000 meters which is depicted as follows 200 m 200 m lt 200 m 200 m 360 lt AC Async Concentrator Specifications for 10BASE 2 thin coaxial cable are as follows Cable characteristics 0 2 inch diameter RG 58A U 50 ohm Max segment length 185 meters Min distance between two nodes 0 5 meter Max number of nodes per segmen
7. printf Port d_sio_ioctl error n no exit sio_Ictrl port_no 3 set DTRRTS on sio flowctrl port no 0 set NO flow control Sio open port no Open Port Get line status from port If CTS and DSR are ON continue while 1 if sio Istatus port no amp 3 break Read input queue status from port If any input data read it r 5 execute for 5 times while 1 if count sio iqueue port no gt 0 46 Appendix Fxample Program if count 80 count 80 Read data from port if count sio_read port_no data count lt 0 printf Port 2d sio_read error n port no exit else if count gt 0 data count 0 printf 6s data Write data ABCDEFGHIJ to port sio_putb port_no ABCDEFGHIJ 10 1 sio_flush port_no 2 Flush port s input amp output queues sio_close port_no Close port 47 ustomer name ompany Moxa product O C320 series O C218 series o C102 family O C104 family Moxa device driver version Moxa hardware settings memory I O base address o C360 C168 family IRQ Operating System o DOS Windows 3 x with version Windows NT OS 2 SVR4 2 UNIX UnixWare o Linux QNX Others Which BIOS Shadow RAM Enabled o C8000 o D4000 Memory management software under DOS CONFIG SYS PC Host CPU O Pentium 8
8. fd open dev ttyal1 O RDWR 1 MIBUFED This function let user know how many bytes queued in input buffer when this function is issued define MIBUFED 0x401 int count number of bytes queued in the input buffer ioctl moxa fd MIBUFED amp count 26 For UNIX Users Chapter 4 2 MOBUFED This function let user know the byte count queued in output buffer when this function is issued define MOBUFED 0x402 int count number of bytes queued in the output buffer ioctl moxa_fd MOBUFED amp count MTCRTS This function only valid when hardware flow control is turned off see MHWFLOW is used to drive RTS on or off define MTCRTS 0x403 define TurnON 1 define TurnOFF 0 ioctl moxa_fd MTCRTS TurnON ioctl moxa_fd MTCRTS TurnOFF MTCDTR This function is used to DTR on or off define MTCDTR 0x404 define TurnON 1 define TurnOFF 0 ioctl moxa_fd MTCDTR TurnON ioctl moxa fd MTCDTR TurnOFF MSTATUS This function is used to know the RS 232 line status CTS DSR DCD 27 Chapter 4 9 For UNIX Users define MSTATUS 0x407 int status status RS 232 line status bitO CTS 1 on O off bitl DSR 1 0n O off bit2 DCD 1 O off ioctl moxa fd MSTATUS amp status 6 MHWFLOW This function is used to enable disable hardware flow control The first open function of a port will set the MHWFLOW to configuration settin
9. Appendix A Troubleshooting Basically to have data communication work many things are involved The following picture will help user to inspect where the problem is AP 1 AP2 A A Y Y API API A A Y Y os os A A Y Y Driver Driver A A Y Y 1 PC2 With With Serial Board Serial Board pt Serial Port or Serial Port lt gt MDM lt gt The philosophy for quickly solving a communication problem lies in isolation of the real question point Communications would fail if any point on the way from AP 1 to AP 2 went wrong The error messages could only be the clue to the solution but may not be the final answer Even same error symptom may result from totally different cause s Common problems and possible solutions are listed below If user still has problems contact the dealer or Moxa for help Or report it using Problem Report Form to the dealer at once for technical support 36 Technical Reference Appendix 1 MOXA board not found Hardware causes and solutions a The I O address user has selected for MOXA board conflicts with that of other interface boards such as SCSI LAN or Sound boards If so adjust the I O address to forestall the conflict b The MOXA board is not properly plugged in the system If that is the case then re install the board and make sure that it fits we
10. for 1OBASE T Twisted pair selectable by software IO IRQ EXE Transmission rate 10M bps Dimensions 15 8 cm x 6 3 cm Operating temperature 0 C 55 C C360 Control Board SUE Concentrator Processor RISC 180960CA 25 50 MIPS RAM IMB Ethernet interface BNC for IOBASE 2 Coaxial and UTP for 1OBASE T Twisted pair auto detection Transmission rate 10M bps No of serial ports 16 RS 232 ports Serial connectors RJ 45 Serial port Data bits 5 6 7 8 Stop bits 1 1 5 2 Parity none even odd space mark UART high speed 16550C 16 byte FIFO Speed bps 50 460 8K Signals TxD RxD DTR DSR RTS CTS DCD GND Serial number Used by the driver for identification Rack Mount Kit 2 L type plates and 8 screws Dimension 27 cm x 16 cm x 4 4 cm Chapter 1 9 Introduction Operating temperature 0 C 55 C 110V or 220V AC auto select VA Async 2 OM EE onde br 9999 L type Plate L type Plate Async Concentrator with Rack Mount Kit installed Front View L type Plate L type Plate o C Async Concentrator with Rack Mount Kit installed Rear View 1 3 Check list Upon unpacking the C360 SuperPort System user should find the following items included in the package C360 Control Board C360 Control
11. is for C360 s status monitoring and hardware diagnostics Async Concentrator Status Monitoring This utility gives user a quick view about the status of all the Async Concentrators linked with each Control Board Status Running means the Async Concentrator with corresponding serial number is working Status No response means the Async Concentrator is powered off or defective or the Ethernet cabling goes wrong somewhere 16 For DOS Users Chapter 3 Asyne Concentrator Diagnostics This utility gives user a quick view about all the Async Concentrators and ports status It will diagnose the C360 in the system and report the hardware status Good Bad No Response of each port It is strongly recommended to run this for verifying hardware condition especially as soon as received C360 package 3 5 Data Scope The Data Scope BIN SCOPE EXE is a set of utility programs that can help user with system troubleshooting and serial communication debugging There are three major functions 1 The Data Scope utility offers transparent monitoring of serial communication lines and allows data to be streamed to disk storage for later analysis 2 The TTY terminal emulation utility allows user to view the signal status and transfer data interactively or files using ASCII XMODEM YMODEM ZMODEM and KERMIT protocols 3 The diagnostic test utility provides port connection test with two MOXA ports connected via a properly wired cable P
12. 0486 Speed MHz LAN card O NoneO Yes memory base addr SCSI card O NoneO Yes memory base addr SOUND card None Yes memory base addr Others O NoneO Yes memory base addr Problem description Windows 95 SCO UNIX 3 2 4 0 SCO OpenServer Rel 5 SCO Xenix Solaris x86 O FreeBSD o CC000 o D0000 o D8000 o DC000 EMM386 QEMM386 O None 80386 I Obaseadd __ IRQ I O baseaddr __ IRQ TO base addr ___ IRQ TO base addr __ IRQ Board not found O Board found but can t transfer data Can transfer data but lose data O Can transfer data but with garbled data O Others Detailed error message description is recommended WARRANTY Moxa guarantees its products against defective materials and workmanship for a period of one year from the day the original buyer receives the product In the event that this product fails to be in good working order during this twelve month warranty period the Dealer and the manufacturer will repair or replace this product at no additional cost to the customer This guarantee does not apply to products which have been repaired or altered by other manufacturers Moxa neither assumes nor authorizes any liability in connection with the sale installation or use of its products RETURN PROCEDURE For product repair exchange or refund the customer must Provide evidence of original purchase Obtain a Product Return Agreement PRA from the sales representative o
13. Board 2 Ethernet terminators with a T type connector Device driver diskettes for DOS and SCO UNIX C360 User s Manual API 232 Manual e 4 KS e ko Dd Async Concentrator Async Concentrator with 16 serial ports Female RJ 45 to Male DB 25 RS 232 cable 1 meter IOBASE 2 Ethernet cable with a T type connector Power cord D e b 5 gt 4 Introduction 9 Chapter 1 Rack Mount Kit C hapter 2 Hardware Installation 2 1 Installation of C360 Step 1 Step 2 Step 3 Choose a PC that has DOS system inside NOTE No matter what OS used user has to configure the C360 Control Board via IO IRQ EXE under DOS Power off the PC Install the C360 Control Board s into a 16 bit slot s NOTE If installing more than one C360 Control Boards insert ONE AT A TIME and configure it using the IO IRQ EXE program before inserting the next board Each C360 Control Board must have unique base I O address and IRQ The C360 Control Board has the following default factory settings BASE I O address 300H IRQ 2 9 Interface BNC 10 2 Check if any existing board has the same I O address or IRQ If so user must try to avoid the conflict by doing either one of the following a Unplug the conflicting board temporarily if possible Then restore the board after changing the I O address or IRQ of C360 b Change or disable the existing board s I O addre
14. C360 A Super Professional Intelligent Multiport Board for IBM PC AT and Compatible System Dec 1996 1st Edition All Rights Reserved This documentation is copyrighted by Moxa Technologies Co Ltd All rights are reserved Moxa Technologies reserves the right to make improvements to the products described in this manual at any time without notice Information provided in this manual is intended to be accurate and reliable However Moxa Technologies assumes no responsibility for its use nor for any infringements of rights of the fourth parties which may result from its use MOXA is a registered trademark of Moxa Technologies Co Ltd The other trademarks in this manual belong to their manufacturers individually Tugm PC inte Onlline Necess Server Moxa Technologies Co Ltd Moxa Tech USA CA Tel 866 2 8665 6373 Tel 408 734 2224 Fax 886 2 8665 6372 Fax 408 734 4442 WWW moxa com tw support moxa com tw MOXA Moxa Internet Services oe Customer s satisfaction is always our number one concern To ensure customers get the full benefit of our services Moxa Internet Services MIS have been built for technical support product inquiry new driver upgrade etc The followings are the services we provide E mail for technical support address support moxa com tw Ftp site for free driver upgrade address ftp moxa com or ftp moxa com tw user ID password your_email_address World Wide Web WW
15. Moxa have developed a device driver and library functions under DOS which are called API 232 for DOS User should find the API 232 driver diskette along with shipment in addition to API 232 User s Manual See the README file on the API 232 driver diskette for the latest release notes and other last minute information 3 1 Software Driver Installation and Setup MOXA API 232 for DOS is a software package that assists users to develop and or debug programs for serial communications It supports device drivers for the MOXA boards such as C102 C104 C168 Service standard PC COM ports and C360 SuperPort System Driver Installation Insert the API 232 software diskette into the floppy drive change directory cd to the drive then type DOSINST EXE to run the installation program User has to choose the C360 SuperPort Board and specify the target API 232 directory e g C MOXA to be installed Control Board Configuration If have not executed IO IRQ EXE after installing C360 into the PC please change to API 232 directory and run the configuration program IO IRQ EXE then choose C360 and specify the base I O address IRQ and Interface for C360 Control Board The settings of base I O address and IRQ will be used when 12 For DOS Users Chapter 3 running driver setup program BIN SETUP EXE Driver Setup Change to API 232 and run the setup program BIN SETUP EXE then choose C360 and specify the base I O address IRQ number o
16. Restart or Driver Reset should be called for to enable the newly configured Async Concentrator 23 Chapter 4 9 For UNIX Users Monitoring This utility gives user a quick view about all the Async Concentrators and ports status One can easily learn each port s total received transmitted Rx Tx character count since the time when the monitoring is started Rx Tx throughputs per second are also reported in interval basis e g the last 5 seconds and in average basis since the time the monitoring is started User can reset all ports count by HOME key lt gt lt gt plus minus keys to change the displaying time interval Press ENTER on the port that cursor stay to view the port s communication parameters signal status and input output queue Besides as entering Port Status dialog for highlighted port parameters like baud rate parity data bits stop bits CTS DSR DCD input queue and output queue are reported Diagnostics The utility will diagnose the C360 in the system and report the hardware status of each port of C360 However user must make sure that All MOXA TTY and non TTY ports on the specified Async Concentrator s must not be used by any applications processes including getty or tty monitor which should be stopped before the utility is executed Driver Reset The utility eliminates the need to shut down the UNIX system to re initialize the C360 with new configuration However user
17. W for product info address www moxa com www moxa com tw Table of Contents ssh amp Chapter 1 Introduction m m 1 6 1 1 Overview 1 1 2 Features and Specifications 2 1 3 Checklist 4 gt Chapter 2 Hardware Installation e T 12 24 Installation of C360 7 22 Rack Mount Kit 9 2 3 Serial Number of the Async Concentrator 10 24 LED Indicators 10 2 5 Diagnostics 11 gt Chapter 3 For DOS Users9 Qs 13 16 3 1 Software Driver Installation and Setup 13 3 2 Serial Port Naming Convention 16 3 3 Dos API 232 Library and Programming Languages 17 34 Administrations 17 3 5 Data Scope 18 gt Chapter 4 For UNIX Users nma na 19 36 41 Driver Installation 19 42 and Non TTY Ports 21 43 Administrations 23 44 Programming the MOXA TTY Ports Using Standard UNIX API 27 4 5 Programming the MOXA Non TTY Ports Using MOXA UNIX API 232 30 Appendix A Troubleshooting 37 Xm 42 Problem Report Form 42 Appendix B Technical Reference H P 43 48 B 1 Ethernet Cabling 43 B 2 Async Concentrator and Serial Number 44 B 3 RS 232Cable Wiring 45 Appendix C Example Program A 49 52 C hapter 1 Introduction 1 1 Overview The C360 SuperPort System is a newly designed 16 to 256 port serial communication solution which features high speed large scale distributed and easy layout It is designed for industrial and office appl
18. a15 Idevittya14 Idevittya13 Idevittya12 Idevittya11 Async x r e nc Conc ntra gt Idevittya19 Idevittyata Idevittya1b Idevittyaic Idevittya1d Idevittyate Idevittya1f Idevittyaig MOXA Non TTY Ports 21 Chapter 4 9 For UNIX Users The MOXA non TTY ports are simply referenced as port number in terms of programming The port number is automatically assigned when configuring the Async Concentrators For example if there is only one Async Concentrator configured then the mapping of device names will be as depicted 4 3 Administrations User can use the administration utility c360adm to change the C360 configuration to monitor the ports activity to diagnose the C360 to reset the C360 driver to restart the specified Async Concentrator or to remove the installed MOXA driver from the UNIX system Configuration 22 For UNIX Users Chapter 4 User can select base I O address and interrupt at will as long as no conflict will occurs In Concentrator Setting dialog there are several features that need explanation which is as follows Async Concentrator Serial Number
19. ady to execute application that supports API 232 functions or start developing applications If at least a pair of Control Board and Async Concentrator is detected a message similar to below will show MOXA C360 SuperPort System Communication Driver Ver x xx Setup driver C360 Control Board 1 base I O address 200 IRQ 10 Async Concentrator s serial no 101 C360 Control Board 2 base I O address 220 not found C360 Control Board 3 base I O address 240 found no concentrator Device Driver Setup O K Even though the C360 driver is installed only the ports of the found pair s of Control Board and Async Concentrator will work properly Please refer to Appendix A Troubleshooting for possible reasons and solutions If not a pair of Control Board and Async Concentrator is detected one of the error messages similar to below will show C360 Control Board 1 base I O address 200 not found C360 Control Board 2 base I O address 220 found no concentrator which means the C360 driver is not installed properly Please refer to Appendix A Troubleshooting for possible reasons and solutions 14 For DOS Users Chapter 3 Driver Removal To remove the C360 driver from memory type SP DRV Q at the DOS prompt 3 2 MOXA Serial Port Naming Convention Each MOXA serial port are referenced as port number in terms of programming The port number is automatically assigned once the starting port number is decided by us
20. ator Rx will flash periodically and either more frequently if C360 driver is not started or less frequently if C360 driver is started Indicator Tx and Rx show the status of transmitting and receiving data the indicator Tx is ON then some data is transmitted from the Async Concentrator If the indicator Rx is ON then some data is received by the Async Concentrator On the other hand if indicators Tx and Rx are all OFF then no data is transferring at that time As to the signals status of each serial port please use mini tester to monitor 2 5 Diagnostics Chapter 2 9 Hardware Installation When hardware installation is complete it is highly recommended to run diagnostic program SP ADM EXE under DOS to check the Control Board the Ethernet cabling and Async Concentrator s as well as the compatibility between the PC and C360 Control Board Before running SP ADM EXE user has to run IO IRQ EXE to setup the Control Board then run SETUP EXE to setup the DOS driver then run SP DRV EXE to install the DOS driver For more information about SP ADM EXE please refer to Section 3 5 10 Hardware Installation Chapter 2 C hapter 3 For DOS Users The C360 is useful for office automation and industrial control as well as data acquisition and communication Because many users need to implement an industrial control system or data acquisition system in the DOS environment but DOS did not has any better communication API thus
21. eceiving data Hardware Causes and Solutions a Check if wrong cable wiring Refer to Appendix B 3 for precise pin assignment of the connector type user is using and make sure the cable wiring is right b Cable or Async Concentrator is defective Or only certain port of the Async Concentrator is broken Pleas check all the components mentioned physically or using diagnostics utility available c IRQ setting of the board does not match the setting in configuration software and device driver Please make sure they do match Software Causes and Solutions 38 Technical Reference 9 Appendix B a In the UNIX system C360 will check line status CTS DSR before it sends data out if RTS CTS flow control feature is set to ON Inthis case if user is using 3 pin TxD RxD GND cable please run moxaadm and use configuration program to set the RTS CTS flow control feature to OFF strongly recommended Or loopback or short the RTS with CTS and DTR with DSR on MOXA port site as follows RTS DSR Us DCD If RTS CTS flow control feature is set to OFF then leaving the pins mentioned above open is fine b Perhaps the application controlling MOXA board is not correctly written according to the corresponding API of the operating system To verify please run existed and known good application or Moxa provided utility For example under UNIX stty program for testing tty port cat or getty is existed 4 During
22. efined rule which will be stated below In other word the naming convention of MOXA TTY ports is different from that of MOXA non TTY ports So is the programming rule MOXA TTY Ports If the TTY ports of C360 are successfully configured there will be two tty devices created for each TTY port at dev directory one is non MODEM tty e g ttyall and the other is MODEM tty e g ttyA11 The two devices are actually accessing the same physical port except that the MODEM tty has to check the ON status of DCD signal from remote site to be able to open device and will close device automatically as DCD signal is OFF To be able to use speeds higher than 38400 bps in the UNIX system the 50 baud rate will no longer stand for 50 bps instead it means 57600 bps 75 baud rate for 115 2K bps 110 baud rate for 230 4K bps and 134 baud rate for 460 8K bps The convention of the MOXA TTY device name is 20 For UNIX Users 9 Chapter 4 tty 3 port ordinal number in an Async Concentrator from 1 to g Async Concentrator ordinal number from 1 to g board ordinal number Ist MOXA board b or B 2nd MOXA board 3rd board d or D 4th MOXA board Capitals indicate a MODEM port Standard tty device prefix For example if there is only one Async Concentrator configured then the mapping of device names will be as depicted Idevittya18 Idevittya17 Idevittya16 Idevitty
23. er when configuring the Async Concentrators For example if there is only one Async Concentrator configured and the starting port number is 1 then the mapping of serial port numbers will be as depicted CO gt 4 CO Async RUS Chapter 3 9 For DOS Users 3 3 DOS API 232 Library and Programming Languages For DOS programming API 232 includes powerful libraries supporting languages like Microsoft C Turbo C Macro Assembly QuickBasic Turbo Pascal Clipper etc Sample programs for each supported language are included See the files in the sub directory EXAMPLE language of the API 232 directory For complete API 232 function description see API 232 User s Manual or file API 232 TXT in the API 232 directory for more details The following functions illustrated in C are for C360 only Some language may vary in function name and some does not support sio getACs due to its restriction l sio getACs Get C360 Async Concentrators serial numbers 2 sio ACstate Get C360 Async Concentrator s status 3 sio ACdiag C360 Async Concentrator s diagnostics Function sio loopback is not available for C360 Function sio ACdiag 1s recommended instead 3 4 Administrations The utility BINSP ADM EXE
24. f Async Concentrators port numbers range in board and system level serial numbers in concentrator level and communication parameters in port level Noticeable fields and functions in MOXA C360 dialog are explained below Async Concentrators The number of Async Concentrators linked with each C360 Control Board Port number The range of port numbers for all ports of Async Concentrators linked with each C360 Control Board Interrupt number The IRQ number of C360 Control Board Each Control Board must use its own IRQ not conflicting with others Setup the serial numbers and range of port numbers for all Async Concentrators linked with each C360 Control Board PgDn Setup the initial values of communication parameters for all ports of Async Concentrators linked with each C360 Control Board These values are used when driver is loaded Driver Loading Having completed the setup load the TSR driver BIN SP DRV EXE at the DOS prompt or from within AUTOEXEC BAT batch file The driver will detect the C360 automatically If all the Control Board s and Async Concentrator s are detected a message similar to below will show Chapter 3 9 For DOS Users MOXA C360 SuperPort System Communication Driver Ver x xx Setup driver C360 Control Board 1 base I O address 200 IRQ 10 Async Concentrator s serial no 101 102 Device Driver Setup O K which means the C360 driver is installed properly At this point user is re
25. g However user might want to control the DTR or RTS signal on their will thus the RTS flow control bit should be turned off in order to take over the control of DTR or RTS signal via function MTCRTS or MTCDTR MTCRTS and MTCDTR can be effective only after the RTS flow control bit of MHWFLOW is turned off define MHWFLOW 0x40e define HWFlowControlOff 0x00 define CTSFlowControlBitOn 0x01 define RTSFlowControlBitOn 0x02 define HWFlowControlOn 0x03 ioctl moxa_fd MHWFLOW CTSFlowControlBitOn ioctl moxa_fd MHWFLOW RTSFlowControlBitOn ioctl moxa_fd MHWFLOW CTSFlowControlBitOn RTSFlowControlBitOn 28 For UNIX Users Chapter 4 4 5 Programming the MOXA Non TTY Ports Using MOXA UNIX API 232 Even though C360 SuperPort system provides up to 1024 serial ports maximum of 256 ports can serve as standard UNIX TTY devices while the rest of the ports up to 768 can only be used as MOXA non TTY devices To control MOXA non TTY ports MOXA proprietary functions in the MOXA UNIX API 232 library should be used which are listed below Note that UNIX system services such as open close read write and ioctl can not be applied to MOXA non TTY ports The MOXA UNIX API 232 functions are almost the same as those in MOXA DOS API 232 library Hence it is easier for porting applications from DOS platform to UNIX one One thing to notice is that all the MOXA non TTY ports can only be accessed in one UNIX applicati
26. ications where an AT 386 486 Pentium system needs to communicate with multiple terminals or devices through serial interfaces One C360 provides 16 to 256 full duplex serial ports Up to four C360 can be used in the same system and provide up to 1024 ports in total However each C360 Control Board must has its unique IRQ The C360 SuperPort System consists of a Control Board and Async Concentrator s The switchless jumperless and half size Control Board links from one up to 16 Async Concentrators via 10BASE 2 or IOBASE T cable Each Async Concentrator contains 16 serial ports with RJ 45 connectors for easier connection Each serial port supports complete set of modem control signals including RTS CTS DSR DTR and DCD The supported drivers are SCO UNIX and DOS initially Itis our commitment to support more operating system platforms Please call Moxa dealer for more information about our newly available device drivers For DOS application programming DOS API 232 library is provided which supports most popular languages such as Microsoft C Turbo C QuickBasic Turbo Pascal Assembly and Clipper For UNIX application programming UNIX standard API and MOXA UNIX API 232 are provided for controlling standard TTY ports and MOXA specific non TTY ports respectively Chapter 1 9 Introduction 1 2 Features and Specifications Features ASIC designed control board compact size No switch no jumper easy configurable by software I O map
27. lease see on line help as running BIN SCOPE EXE for more usage and capability information C hapter 4 For UNIX Users The C360 UNIX driver supports at most 256 TTY terminal ports in the UNIX system which are called MOXA TTY ports The rest of the ports are called MOXA non TTY ports The differences between MOXA TTY and non TTY ports are described below In addition C218 C320 Series can not co exist with C360 in the UNIX system Please remove C218 C320 UNIX driver before installing C360 UNIX driver 4 1 Driver Installation Step 1 Boot the system and login from the console as a super user root Step 2 Insert driver diskette into a 1 44MB floppy driver A or B If driver files are obtained from MOXA FIP service put them under tmp moxa directory and skip the following tar command Step 3 Change to root directory by entering the following command cd Step 4 Enter the following command to extract the install script file first tar xvf dev fd0135ds18 tmp moxa install if 1 44MB A tmp moxa install Copyright C 199x Moxa Technologies Co Ltd Rights Reserved MOXA C360 Device Driver Installation Ver x x Please select one of the devices where the driver diskette files puts 18 For UNIX Users Chapter 4 Step 5 1 dev fd0135ds18 A 1 44MB 2 dev fd096ds15 A 1 2 MB 3 dev fd1135ds18 B 1 44MB 4 dev fd196ds15 B 1 2 MB 5 tmp moxa Hard Disk Select For
28. ll in a 16 bit slot this time Sometimes the slot for plugging MOXA board is bad In this case please try other slots until a good one is found c The MOXA board is not installed or missing absent Please install it d The MOXA board is defective Please check the MOXA board s ONE AT A TIME in the system and find out the defective one It is also recommended to check it under DOS with F3 Diagnostics function of utility SETUP to verify the hardware conditions Software Cause and Solution a The I O address setting on board is not the same as the setting in configuration software Can not find any C360 Async Concentrator error message This message shows that none of the configured Async Concentrator s is found The message will not show if AT LEAST ONE of the configured Async Concentrator s is found 37 Appendix B 9 Technical Reference Hardware Causes and Solutions a Check if the Ethernet cable between the Async Concentrator and the Control Board is working segment by segment and firmly plugged and properly terminated b Run the board configuration program to check the board configuration Connect proper number of Async Concentrators as configured in configuration program c Ifall the possible methods fail the Async Concentrator might be defective It is recommended to check it under DOS with utility SETUP to verify the hardware conditions one by one 3 MOXA board found but can not transfer transmitting r
29. must make sure that All MOXA TTY and non TTY ports must not be used by any applications processes including getty or tty monitor which should be stopped before the utility is executed Concentrator Restart 24 For UNIX Users Chapter 4 The utility restarts the Async Concentrator s specified without shutting down the UNIX system This is especially useful for replacing a defective Async Concentrator with a new Async Concentrator when any port of the original Async Concentrator is mal functional In this case even though the serial numbers are different Driver Reset is not suitable However user must make sure that All MOXA TTY and non TTY ports on the specified Async Concentrator s must not be used by any applications processes including getty or tty monitor which should be stopped before the utility is executed Terminal Emulation This utility provides data sending and receiving ability of all tty ports including MOXA TTY ports but not MOXA non TTY ports It is quite useful for testing for example sending AT command to a modem connected to the port or used as a terminal for login purpose Note that this is only a dumb terminal emulation without handling full screen operation In addition pattern file transfer function is provided Driver Removal If user wants to remove the MOXA C360 device driver and return to the original system configuration just press Enter in this function entry and answer WoW
30. nce 9 Appendix B Type 3 To connect C360 to a DTE e g terminal or PC COM1 2 with 3 pin wiring if Hardware flow control feature is set to ON C360 DTE C360 DTE RJ 45 Female DB 25 Male RJ 45 Female DB 9 Male 5 TxD 3 RxD 5 TxD 2 RxD 6 RxD 2 TxD 6 RxD 3 TxD 7 GND 7 GND 7 GND 5 GND 3 RTS 5 CTS 3 RTS 8 CTS 8 CTS 4 RTS 8 CTS 7 RTS 2 DSR 20 DTR 2 DSR 4 DTR 9 DTR 6 DSR 9 DTR 6 DSR 1 DCD 8 DCD 1 DCD 1 DCD User must loopback or short the RTS with CTS and DSR with DTR DCD on MOXA site if Hardware flow control feature is set to ON Type 4 To connect C360 to a DTE e g terminal or PC COM1 2 with 3 pin wiring if Hardware flow control feature is set to OFF C360 DTE C360DTE RJ 45 Female DB 25 Male RJ 45 Female DB 9 Male 5 TxD 3 RxD 5 TxD 2 RxD 6 RxD 2 TxD 6 RxD 3 TxD 7 GND 7 GND 7 GND 5 GND 3 RTS 5 CTS 3 RTS 8 CTS 8 CTS 4 RTS 8 CTS 7 RTS 2 DSR 20 DTR 2 DSR 4 DTR 9 DTR 6 DSR 9 DTR 6 DSR 1 DCD 8 DCD 1 DCD 1 DCD Users could just leave RTS CTS DSR DCD open if Hardware flow control feature is set to OFF 45 Appendix C Example Program Example program for controlling MOXA serial Non TTY ports i using MOXA DOS UNIX API 232 library E include mxapi232 h void main int port_no count 1 char data 81 Setting the port 9600 N 8 1 port noz 1 if sio 1octl port no B9600 8 P NONEISTOP 1 0
31. on process In other word two or more applications accessing any MOXA non TTY ports are not allowed Remember to include the header file mxapi232 h in the application program and link with the library mxapi232 o User can use the example program example c header file mxapi232 h library mxapi232 0 and makefile in the directory usr lib moxa to shorten the learning curve Function List l sio open Open a non TTY port 2 sio close Close a port 3 sio read Read data from a non TTY port 4 sio write Write a string of data to Rx buffer 5 sio putb Put a block of data to Tx buffer 6 510 ioctl Non TTY port parameter setting 7 sio break Send break signal 8 sio flush Flush Tx Rx buffer data 9 sio iqueue Read the length of data queued in Rx buffer 10 sio oqueue Read the length of data queued in Tx buffer 11 sio lstatus Get modem line status 12 sio lctrl Set modem line control 13 sio DTR Set modem line control signal DTR 29 Chapter 4 9 For UNIX Users 14 sio RTS Set modem line control signal RTS 15 sio flowctrl Setting CTS RTS and XON XOFF flow control 16 sio disableTx Disable transmitting data 17 sio enableTx Enable transmitting data Function Description The following lists the syntax of MOXA non TTY port functions The variable port is the port number of a specific MOXA non TTY port to be controlled The return value 2
32. operation the host system with C360 is powered off but the Async Concentrator s is are still on Solution Simply restart the host system and normal C360 startup procedure will be executed 5 Under UNIX MOXA port responds too slowly or abnormal key operation 39 Appendix B 9 Technical Reference Hardware Cause and Solution a Wrong IRQ setting If the hardware and software IRQ setting do not match MOXA driver will use a polling scheme and thus causes slow operation Try to match the IRQ settings 6 Under UNIX when respawning quite a few number of tty ports the following error messages appear Time out table overflow File table overflow Region table overflow Software Cause and Solution The above error messages imply that the system resources are exhausted User should tune the kernel parameters to a larger value and rebuild the kernel to be able to accommodate the new configuration Refer to UNIX system manual about how to tune the parameters and rebuild kernel Time out table overflow parameter too small File table overflow or NINODE parameter too small Region table overflow NREGION NPROC parameter too small 7 Under UNIX the newly rebuilt kernel could not boot Software Causes and Solutions The C360 driver might not be built into the new kernel correctly a Please use the last good kernel backup to boot again The kernel backup in UNIX is unix moxa or stand unix moxa
33. ped architecture no shared memory wasted Low host CPU overhead RISC based Async Concentrator Rack mountable industry standard 19 rack High speed up to 460 8K bps each port Reliable 16550C UART with on chip flow control no data loss More serial ports 256 ports per board 1024 per system Longer distance terminals devices can be located 1000m away Suitable for large scale or distributed application terminals devices can be located at different places or buildings Ease of use menu driven utilities help ease the configuration monitoring and diagnostics Easy upgrade firmware downloading Supports popular OSs DOS and SCO UNIX OpenServer Specifications The C360 SuperPort System consists of a PC Control Board and 1 to 16 Async Concentrator s The Control Board and Async Concentrator s are linked with Ethernet cable The default shipment of Ethernet cable is 1OBASE 2 with T type connectors and Terminators If IOBASE T cabling is desired a Hub and necessary IOBASE T cables are required and should be prepared by the user System 16 to 256 serial ports per Control Board Up to four Control Boards per PC system Q Introduction 9 Chapter 1 Control Board 16 bit ISA bus EISA compatible I O mapped address 200H 220H 240H 260H 280H 2A0H 2COH 2E0H 300H 320H 340H 360H 380H 3A0H 3E0H needs 32 bytes IRQ 2 3 4 5 10 11 12 15 Ethernet interface BNC for IOBASE 2 Coaxial and UTP
34. r dealer Fill out the Problem Report Form PRF as detailed as possible for shorter product repair time Carefully pack the product in anti static package and send it pre paid to the dealer The PRA should show on the outside of the package Include a description of the problem along with the return address and telephone number of a technical contact
35. ss or IRQ in advance Hardware Installation 9 Chapter 2 Step 4 Step 5 Step 6 Step 7 Power on the PC and enter DOS system Execute IO IRQ EXE which is included in the DOS API 232 software driver diskette and follow the on line help to configure the C360 Be careful not to conflict the I O address and IRQ of the C360 Control Board with any existing board s After completing the configuration the board is ready for use under DOS or SCO UNIX Connect the C360 Control Board and Async Concentrator s with the shipped IOBASE 2 cables Do not forget to put Terminators in place Please refer to Appendix B 1 Ethernet Cabling for more details C360 SuperPort System with 10BASE 2 Cabling If 1OBASE T cabling is desired remember to select UTP interface for Control Board via executing IO IRQ EXE under DOS Connect Control Board and Async Concentrator s to the Hub with IOBASE T cables Please refer to Appendix B 1 Ethernet Cabling for more details Chapter 2 9 Hardware Installation Hub o 900000000 999999999 C360 SuperPort System with 10BASE T Cabling 2 2 Rack Mount Kit To mount the Async Concentrator on the industry standard 19 rack Rack Mount Kit including two L type plates and eight screws should be applied
36. stands for Ethernet cabling problem or Async Concentrator problem which may causes time out in function execution 1 Openanon TTY port int Sio open int port return 0 ok 1 bad port 2 time out port port number 2 Close port int sio_close int port return gt 0 ok bit 0 ON means Rx queue has data bit 1 ON means Tx queue has data 1 bad port 2 time out port port number 3 Read data from a non TTY port 30 For UNIX Users Chapter 4 int sio_read int port char buf int len return gt 0 length of data received 0 no data received 1 bad port 2 time out 5 port is not open port port number buf receive buffer pointer with required space len buffer length 4 Write a string of data to Tx buffer int sio_write int port char buf int len return gt 0 length of data transmitted to Tx buffer 0 buffer full 1 bad port 2 time out 5 port is not open port port number buf transmit string pointer len transmit string length 5 Put a block of data to Tx buffer If the Tx buffer free space is smaller than block length it will return zero int sio putb int port char buf int len return gt 0 length of data transmitted to Tx buffer 0 free buffer not enough 1 bad port 2 time out 5 port is not open 6 len gt Tx buffer size port port number buf transmit string pointer len transmit string length 6 Non TTY port parameter setting 3l Chapter 4 9
37. t 30 B 2 Async Concentrator and Serial Number Inside Async Concentrator each 16550C chip controls one port The 16550C is an advanced asynchronous controller capable of on chip hardware flow control and higher speed up to 460 8K bps Each Async Concentrator has its own unique serial number for identification Serial Number is the only way to locate the Async Concentrator and then serial ports 42 Technical Reference 9 Appendix B B 3 RS 232 Cable Wiring Only RS 232 interface with RJ 45 female connector is supported RJ 45 Female Connector 1 10 C360 RJ 45 Female Connector Pinouts Signals DCD DSR RTS GND TxD RxD GND CTS DTR _ 43 Appendix B 9 Technical Reference 1 To connect C360 to DTE e g terminal or PC COM1 2 Please check the precise DTE pinouts the following DTE pinouts is just an example C360 DTE C360 DTE RJ 45 Female DB 25 Male RJ 45 Female DB 9 Male 1 DCD 8 DCD 1 DCD 1 DCD 2 DSR 20 DTR 2 DSR 4 DTR 3 RTS 5 CTS 3 RTS 8 CTS 5 TxD 3 RxD 5 TxD 2 RxD 6 RxD 2 TxD 6 RxD 3 TxD 7 GND 7 GND 7 GND 5 GND 8 CTS 4 RTS 8 CTS 7 RIS 9 DTR 6 DSR 9 DTR 6 DSR Type 2 To connect C360 to a DCE e g modem C360 DCE RJ 45 Female DB 25 Female 1 DCD 8 DCD 2 DSR 6 DTR 3 RTS 4 CTS 5 TxD 2 RxD 6 RxD 3 TxD 7 GND 7 GND 8 CTS 5 RTS 9 DTR 20 DSR 44 Technical Refere
38. ut 5 port is not open port port number Get modem line status int Sio lstatus int port return 0 linestatus bitO S CTS bit 1 S DSR 33 Chapter 4 9 For UNIX Users 12 13 14 15 bit 2 S RI bit3 S CD 1 bad port 2 time out port port number Set modem line control int sio_Ictrl int port int mode return 0 ok 1 bad port 2 time out port port number mode C DTR bit 0 C RTS bit 1 Set modem line control signal DTR int sio DTR int port int mode return 0 ok 1 bad port 2 time out port port number mode 0 set DTR off 1 set DTR on Set modem line control signal RTS int sio_RTS int port int mode return 0 ok 1 bad port 2 time out 6 H W flow control setting port port number mode 0 set RTS off 1 set RTS on Setting CTS RTS and XON XOFF flow control 34 For UNIX Users Chapter 4 16 17 int sio_flowctrl int port int mode return 0 ok 1 bad port 2 time out port port number mode bit 0 CTS flow control 0 1 off on bit 1 RTS flow control 0 1 off on bit 2 Tx XON XOFF flow control 0 1 off on bit 3 Rx XON XOFF flow control 0 1 off on Disable transmitting data int sio_disableTx int port return 0 ok 1 bad port 2 time out 5 port is not open port port number Enable transmitting data int sio_enableTx int port return 0 ok 1 bad port 2 time out 5 port is not open port port number 35
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