Moxa C218T/PCI [31/92] Port configuration stage

Содержание

• A high performance 8 port async board for pci bus 1
• Edition august 2002 1
• Intelligent c2a8turbolpc user s manual 1
• The content of this manual is also available in cd rom and at moxa web site 1
• Copyright notice 2
• Disclaimer 2
• Intelligent c218 turbolpc 2
• Trademarks 2
• User s manual 2
• Moxa internet services 3
• About this manual 4
• Hardware installation 2 1 5
• Introduction 1 1 5
• Serial programming tools 4 1 5
• Software installation 1 5
• Table of contents 5
• Connection option opt8x and cable wiring 1 6
• Technical reference a 1 6
• Troubleshooting 6 1 6
• Intelligent the intelligent multiport serial i o solutions 7
• Introduction 7
• Low host processor overhead 7
• Overview 7
• Pci solution 7
• Asic design compact size 8
• Broad applications 8
• Major operating system support 8
• Powerful serial comm developing tools 8
• Surge lsolation protection 8
• Features 9
• Introduction 9
• Check list 10
• Opt8a opt8b opt8s 10
• Opt8c opt8d 10
• Opt8f opt8z 10
• Installation guide 11
• Introduction 11
• Hardware installation 13
• Installing the intelligent cliqturbolpcl control board 13
• Installing connection option opt8x 14
• Opt8a opt8b opt8s 14
• Opt8c opt8d 14
• Hardware installation 15
• Operating opt8j 15
• Opt8j opt8f opt8z 15
• Rs 422 mode 16
• Rs 485 mode 16
• Software installation 17
• Windows nt 17
• Installing driver 18
• Software installation 19
• Software installation 21
• Transmission mode 21
• Uartfifo 21
• Configuring board and port 23
• Software installation 23
• Adding removing board 25
• Removing driver 25
• Software installation 25
• Updating driver 25
• Installing driver 26
• Windows 95 98 26
• Software installation 27
• First time driver installation stage 28
• Windows 95 28
• Windows 98 28
• Software installation 29
• Port configuration stage 31
• Software installation 31
• Dtransmission mode 32
• Quart fifo 32
• Board and port ready stage 33
• Software installation 33
• Windows 95 33
• Windows 98 33
• Configuring board and port 35
• Software installation 35
• Software installation 37
• Transmission mode 38
• Uartfifo 38
• Removing driver 39
• Software installation 39
• Updating driver 39
• Installing driver 40
• Software installation 41
• Moxa tty device naming convention 43
• Software installation 43
• Administration utility mxadm 44
• Basic configuration 44
• Non modem and modem baud rate 45
• Software installation 45
• Advanced configuration 46
• Baud rate mapping 46
• On board line discipline 46
• Feature 47
• In port feature settings sub dialog port feature terminal is the only choice if on board line discipline is set to enable this is good for terminal application users 47
• Intelligent c218 turbo pci user s manual 3 31 47
• Noticeable fields for initialize the ports for advanced usage you may skip this step if you do not concern these features 47
• O pci firmware will do xon xoffflow control and h w flow control if ixon ixany or ixoff are set via ioctl system call in this case the non modem and modem baud rate do not apply 47
• Press pagedown to enter advanced port settings sub dialog there are some 47
• Software installation 47
• Response 48
• Rts cts hardware flow control 48
• Uart fifo 48
• Board reset 49
• Performance tuning 49
• Software installation 49
• Checking board initialization status 50
• Driver removal 50
• Setting moxa ports to terminal 51
• Software installation 51
• Installation 53
• Serial programming tools 53
• Windows nt and windows 95 98 53
• Programming library 54
• Utilities 54
• Diagnostic for moxa boards only 55
• Serial programming tools 55
• Monitor for moxa boards under windows nt only 56
• Serial programming tools 57
• Terminal emulator 57
• Extended unix loctl commands 58
• Mibufed 58
• Programming the moxa ports 58
• The next section details all the commands 58
• Buffered only reflect the data buffered on moxa board not including the data buffered in streams queue in this case the count is for reference only for example returned count may always be zero but there still are data buffered in streams queue 59
• Due to the characteristics of streams driver the returned count of bytes 59
• Intelligent c218 turbo pci user s manual 4 7 59
• Mobufed 59
• Serial programming tools 59
• Syntax for sco unix xenix 59
• Syntax for unix svr4 59
• This function let you know the byte count queued in output buffer when this function is issued 59
• 8 intelligent c218 turbo pci user s manual 60
• Mtcdtr 60
• Mtcrts 60
• See m1bufed for influence of streams driver 60
• Syntax for sco unix xenix 60
• Syntax for unix svr4 60
• This function only valid when hardware flow control is turned off see mhwflow is used to drive dtr signal on or off 60
• This function only valid when hardware flow control is turned off see mhwflow is used to drive rts signal on or off 60
• If the low water value is relatively small you may find that the output buffer become empty before you write another block of data this is quite possible because unix is time sharing multitasking environment this will result in discontinuous data transmission in a timeout sensitive application e g facsimile fax transmission discontinuous data may falter the operation 61
• Intelligent c218 turbo pci user s manual 4 9 61
• Mlowater 61
• Serial programming tools 61
• Sometimes the application software may not be able to write any further data to the output buffer because of the output buffer being full the application has to wait until the output buffer has enough space again the criteria to tell if the output buffer has enough space is whether the output buffer reached its low water level that is the output buffer will accept further data only when the low water level is reached 61
• Syntax for sco unix xenix 61
• Syntax for unix svr4 61
• The default low water is 512 bytes you can enlarge it but better not exceed one half of the output buffer each port s output buffer is 8k bytes 61
• 10 intelligent c218 turbo pci user s manual 62
• Mstatus 62
• Syntax for sco unix xenix 62
• Syntax for unix svr4 62
• This function is used to know the rs 232 line status cts dsr dcd 62
• Configuration in 63
• However users might want to control the dtr or rts signal on their will thus the rts flow control bit should be turned off hwflowcontroloff 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 63
• Intelligent c21 8turbo pc user s manual 4 11 63
• Mhwflow 63
• Rts cts hardware flow control 63
• Serial programming tools 63
• Syntax for sco unix xenix 63
• Syntax for unix svr4 63
• This function is used to enable disable hardware flow control the first open function of a port will set the hardware flow control bits on or off depending on the 63
• Port monitoring 64
• Utilities 64
• Serial programming tools 65
• Terminal emulator 65
• How to transmit and receive data under windows nt and windows 95 98 66
• Rs 485 programming for opt8j 66
• Solution 1 66
• For more information on these functions please refer to pcomm library on line help file for windows nt and windows 95 98 67
• Intelligent c218 turbo pci user s manual 4 15 67
• Serial programming tools 67
• Solution 2 67
• There s a dedicated rs 485 function in pcomm library it integrates the above functions of solution 1 regarding sending data as one 67
• Connection option opt8x and cable wiring 69
• Rs 232 cable wiring for opt8a b c d s 69
• 2 intelligent c218 turbo pci user s manual 70
• The followings are pin assignments for various connection options 70
• Connection option opt8x and cable wiring 71
• Dte device 71
• Intelligent c218 turbo pci user s manual 5 3 71
• Intelligent c218turbo pc 71
• Opt8a s 71
• Opt8b c 71
• To a dte device 71
• Type 1 to connect 71
• 4 intelligent c218 turbo pci user s manual 72
• Dce device 72
• Intelligent c2i8turbdpc 72
• Opt8a s 72
• Opt8d dte device 72
• To a dce device 72
• Type 2 to connect 72
• Connection option opt8x and cable wiring 73
• Dce device 73
• Intelligent c218 turbo pci user s manual 5 5 73
• Opt8b c dce device 73
• 6 intelligent c218 turbo pci user s manual 74
• Dte device 74
• Feature is set to 74
• Feature is set to on you must loop back or short the rts with cts and dsr with dtr dcd on moxa site indicated in dash lines of the following diagrams if the 74
• Hardware flow control 74
• If the 74
• Intelligent c2i8turbdpc 74
• Opt8a s 74
• Opt8b c 74
• To a dte with 3 pin wiring 74
• Type 3 to connect 74
• You could just leave rts cts dsr dtr dcd open ignoring the connection indicated in dash lines 74
• Connection option opt8x and cable wiring 75
• Intelligent c218 turbo pci user s manual 5 7 75
• Opt8d dte device 75
• Rs 422 cable wiring for opt8j f z 76
• Connection option opt8x and cable wiring 77
• Intelligent c218 turbo pci user s manual 5 9 77
• The followings are operation modes for rs 422 77
• 10 intelligent c218 turbo pci user s manual 78
• Connection box with 8 female rs 422 485 db25 ports set the port switch to 78
• For more opt8j rs 485 programming details 78
• Of chapter 78
• One rs 485 connection box designed for intelligent c218 tur bo pc is 78
• Only 2 wire half duplex rs 485 communication data z 78
• Pins are served for both data transmitting and receiving depending on the rts signal 78
• Point to point rs 485 half duplex multidrop rs 485 half duplex 78
• Position 78
• Rs 485 cable wiring for opt8j 78
• Rs 485 pinouts for opt8j 78
• Rs 485 programming 78
• See section 78
• Serial programming tools 78
• The opt8j supports 78
• Connection option opt8x and cable wiring 79
• For rs 422 485 serial communications when an electrical signal travels through two different resistance junctions in a transmission line the impedance mismatch will sometimes cause signal reflection signal reflection causes signal distortion which in turn will contribute communication errors the solution to this problem is to establish the same impedance at the line ends as in the line itself by terminating them with resistors 79
• Intelligent c21 8turbo pc user s manual 5 11 79
• Near the receiving side 79
• Rs 422 485 impedance matching 79
• Stands for termination resistor near the receiving side 2 the suggested termination resistor for awg 26 cable is 100 ohm 3 the suggested termination resistor for phone cable is 600 ohm 79
• The value of the termination resistor should equal the characteristic impedance of the transmission line the resistors should be added 79
• General troubleshooting 81
• Hardware causes and solutions 81
• T roubleshooting 81
• Software causes and solutions 82
• Intelligent c218 turbo pci user s manual 6 3 83
• It means something is wrong with driver installation or the file has been deleted accidentally or corrupted somehow to recover the file simply install the driver again 83
• Shutdown the system first and refer to the problem 1 for solutions in the previous section general troubleshooting 83
• The possible reason is irq or memory conflict with other isa bus adapters like lan and scsi board or system bios please refer to the corresponding problem in previous section general troubleshooting for solutions 83
• This indicates moxa board is found but the irq is conflicting with other adapter please make sure there is no conflict with other adapter s irq check the pci bios irq setting first make sure irq is available 83
• This section is specific for troubleshooting under windows nt for general problems and solutions please see previous section general troubleshooting 83
• Troubleshooting 83
• Windows nt 83
• Windows 95 98 84
• Intelligent c218 turbo pci user s manual 6 5 85
• Region table overflow nreg1on or nproc parameter too small 85
• The above error messages imply that the system resources are exhausted you 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 85
• The applications are not compatible with the c218turto pcl on board line discipline the only way to work it around is to set on board line discipline feature to disable in board sub menu of advanced configuration section unix of chapter software installation 85
• The possible cause is memory conflict or defective board please shutdown the system first and then refer to the corresponding problem and solutions in previous section general troubleshooting 85
• This section is specific for troubleshooting under unix for general problems and solutions please see previous section general troubleshooting 85
• Time out table overflow ncall parameter too small file table overflow nf1le or n1n0de parameter too small 85
• Troubleshooting 85
• Specifications 87
• Technical reference 87
• Dual ported ram 88
• Buffer area appears as normal 16 bit memory to the pc at i o channel every intelligent c218twto pci only occupies 16 kb of memory space window from the system point of view 89
• Db62 connector pinouts 89
• Intelligent c21 8turbo pc user s manual a 3 89
• Is an intelligent asynchronous controller capable of supporting one full duplex channel that transfers data at 89
• Simultaneously to increase the overall data throughput special features such as on chip fifo and on chip hardware flow control are used to reduce the number of interrupts to the on board cpu and to prevent any loss of valuable data 89
• Technical reference 89
• The following lists the pin assignments of the db62 connector on the bracket you may fabricate octopus cable for db25 to 8 x db9 89
• The uart chip 89
• Uart 16c550c 89
• Customer name company 90
• Email date 90
• Intelligent c218 turbof pci 90
• Moxa driver version 90
• Moxa hardware settings 90
• Moxa product 90
• Operating system 90
• Pc host 90
• Pci irq configuration in bios 90
• Problem description 90
• Problem report form 90
• Serial number 90
• Tel fax 90
• Return procedure 91
• Revision history 92

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Software Installation Port Configuration Stage This stage displays the MOXA Ports Installation dialog box for the port configuration Here you can map the MOXA ports to the system COM numbers In the C218Turbo PCI Installation dialog box you can map the physical ports to COM numbers in two ways depending on the Auto Enumerating COM number check box Sequential Port Mapping Enable Auto Enumerating COM number Specify the COM number of the first port and subsequent ports are mapped to continuous COM numbers For instance if first port is mapped to COM 10 then second port is mapped to COM11 sequentially Non sequential Port Mapping Disable Auto Enumerating COM number Specify the COM number for individual port For instance the second port can be out of sequence say COM 18 while the first port is mapped to COM 10 In addition in the C218Turbo PCI Installation dialog box you may click on Advanced Settings button to tune the advanced features UART FIFO and Transmission Mode for each port for particular performance requirements Intelligent C218Turbo PCI User s Manual 3 15