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Microtronix Access User Guide

6  X.25/TCP Gateway Configuration

This section allows general configuration and administration of the X.25 – TCP mappings used by the 
X.25 Gateway application.  Click on each item in the 

X.25 Gateway

 section of the main menu to display

and modify mappings.

6.1  TCP to X.25 Routes

When routing from TCP/IP to X.25, the TCP connection is initiated by the remote IP host using the 
Listening TCP Port as the destination.  The Gateway scans the routes in canonical order for the first 
matching entry, and then establishes an X.25 connection with a remote X.25 host using the outbound 
X.25 Connection parameters to construct the call request.  When the remote X.25 host accepts the call,
the gateway between the TCP socket and X.25 logical channel is ready for data transfer.

The required parameters for a TCP/IP to X.25 route are the following:

●

Listening TCP Port

●

TCP/IP Data Encapsulation (Conversion) Type

●

X.25 Interface (Device)

●

X.25 Connection Type (SVC or PVC)

●

Called (destination) X.25 Address, or PVC Logical Channel Number

41

Summary of Contents for access 1000 series

Page 1: ...otronix Datacom Access 1000 and 4000 X 25 TCP Gateway Serial TCP Converter Access User Guide Software Revision 0 9 5 4056 Meadowbrook Drive Unit 126 London ON N6L 1E3 CANADA www microtronix com 519 690 0091 ...

Page 2: ...Packing List 10 2 1 1 Model 1000 S04 10 2 1 2 Model 4002 S04 10 2 1 3 Model 4002 N04 11 2 1 4 Model 4002 N04 RM 11 2 1 5 Model 4002 N44 RM 11 2 1 6 Optional items 11 2 2 Location 12 2 3 Mounting 12 2 4 Electrostatic Considerations 12 2 5 Environmental Specifications 12 2 6 Power Requirements 13 2 6 1 120 220 VAC Electrical Connection 13 2 6 2 48VDC Electrical Connection 13 3 INITIAL START UP PROCE...

Page 3: ... 6 System Logging 27 4 6 1 Remote logger IP address 27 4 6 2 Rotation age 27 4 6 3 Remote File server 27 4 7 Redundancy 28 4 7 1 Remote peer IP address 28 4 7 2 Secondary IP address device name 28 4 7 3 ARP timeout 28 4 7 4 Enable local X 25 interface watchdog 29 4 7 5 Poll interval 29 4 8 Edit System Files 29 5 X 25 WAN INTERFACES CONFIGURATION 30 5 1 L1 Device 30 5 1 1 Physical Layer HDLC Setup ...

Page 4: ...meters 48 6 2 5 1 Identify inbound X 25 connection 48 6 2 5 2 Generate outbound TCP IP connection 49 6 3 Connection Status 50 6 4 Control and Log 51 7 TERMINAL TCP SERVER CONFIGURATION 52 7 1 Serial TCP 52 7 1 1 Terminal Server Setup 52 7 1 2 Terminal Server Parameters 53 7 1 2 1 Device Settings 53 7 1 2 2 Conversion Settings 53 7 1 2 3 Network Settings 54 7 2 Status 54 7 3 Control and Log 56 8 SY...

Page 5: ...MBIT 77 11 3 MBIT 78 11 4 RFC1006 79 11 5 Q MBIT 79 11 6 OFTP 79 11 7 LINE 80 11 8 IAC ESC 80 11 9 RBP 80 11 10 QRBP 80 11 11 AEPN 80 12 SAFETY AND LEGAL 82 12 1 Regulatory Compliances 82 12 2 Radio Frequency Interferences Statements 82 12 2 1 Industry Canada IC 82 12 2 2 Federal Communications Commission FCC Declaration of Conformity 82 12 2 2 1 Complies with Part 15 of the FCC Rules 82 12 2 2 2 ...

Page 6: ...nterface 90 15 1 4 USB Interface 90 15 1 5 WAN Interface 90 15 1 6 Serial Interface on USB adapter 90 15 2 Software and Protocols 91 15 2 1 X 25 Features 91 15 2 2 X 25 TCP Encapsulation and Conversion methods 91 15 2 3 X 25 to TCP Connection Mapping and Address Translation 91 15 2 4 TCP to X 25 Connection Mapping and Address Translation 92 15 2 5 Asynchronous X 28 Serial Features 92 15 2 6 Synchr...

Page 7: ...are also supported An easy to use intuitive web based server is built in requiring only a standard Internet browser for configuration and monitoring Context sensitive help is available 1 2 Hardware Features and Interfaces 1 2 1 Model 1000 S04 5VDC connector 10 100 Base T Ethernet RJ45 WAN console port DB25F RS530 A configurable for RS232 V 24 X 21 V 35 RS449 V 36 USB Host Port interface for additi...

Page 8: ...del 4002 N44 RM 19 1U rack mount enclosure 48VDC connector for Central Office CO installation 10 100 Base T Ethernet RJ45 2 WAN ports DB25F RS530 A configurable for RS232 V 24 X 21 V 35 RS449 V 36 4 Serial ports DB9M RS232 internally mounted USB serial adapter 1 3 Software Application Features 1 3 1 X 25 1024 logical channels SVC and PVC Negotiable packet sizes 16 to 4096 bytes Modulo 8 and 128 DT...

Page 9: ... Configurable Encoding NRZ NRZI Configurable CRC checking and generation 16 bit 32 bit 1 3 6 System Configuration and Management Web based interface accessible through any Internet browser Context sensitive help on all web pages Command line interface available on WAN or Serial ports ssh or telnet interfaces Syslog with optional remote syslog and or storage on remote file server 1 3 7 Redundancy R...

Page 10: ...ccess 1000 Gateway unit with 5VDC input connector 1 5881 5024 xx Power adapter input 100 240VAC 50 60Hz output 5VDC 1300mA rated Power plug NA North American EU Eupopean 1 284 MC1MF DB9F DB25M Console cable 1 811 W6003 06 RJ45 Ethernet crossover cable red 6 ft 1 811 W6002 06 RJ45 Ethernet patch cable blue 6 ft 2 1 2 Model 4002 S04 Qty Part Number Part Description 1 4002 S04 Access 4000 Gateway uni...

Page 11: ...sover cable red 6 ft 1 811 W6002 06 RJ45 Ethernet patch cable blue 6 ft 2 1 5 Model 4002 N44 RM Qty Part Number Part Description 1 4002 N44 RM Access 4000 Gateway 19 1U rack mount enclosure with 4 Serial ports and 48VDC connector 1 W4002 48VDC Power cord 1 284 MC1MF DB9F DB25M Console cable 6 ft 1 811 W6003 06 RJ45 Ethernet crossover cable red 6 ft 1 811 W6002 06 RJ45 Ethernet patch cable blue 6 f...

Page 12: ...del 1000 S04 3 6 x 4 25 x 1 25 9 2 x 10 8 x 3 2 cm 0 5 lb 0 22 kg Model 4002 S04 5 5 x 7 25 x 1 6 14 x 18 5 x 4 cm 1 4 lb 0 64 kg Model 4002 N04 RM 5 4 x 14 x 1 72 4 lb Model 4002 N44 RM 5 4 x 14 x 1 72 4 lb 2 4 Electrostatic Considerations All microcomputers are sensitive to electrostatic discharges ESD A direct ESD discharge to the chassis or cables can disrupt unit operation induce a latent fai...

Page 13: ...meter The use of an external surge protection device is recommended for improved system reliability WARNING Use only the supplied AC power adapter and power cord Use of any other adapter or power cord not recommended by the manufacturer may violate safety regulations may cause malfunction or damage to the system and void the product warranty Figure 1 Model 4002 Snn rear plate and AC power supply 2...

Page 14: ...he rear panel must be used in order to comply with installation requirements This 8 32 machine screw has two external tooth lock washers to secure the unit rear plate Frame Ground connection to the Central Office GND system The terminal lug of the green wire ground wire must be placed between the star washers to assure an adequate connection A 14 AWG or larger copper wire must be used its length s...

Page 15: ...Ethernet option from the menu in the left pane of the main screen 7 Configure the desired IP address and network parameters as outlined in the Ethernet section 8 Remove the red crossover cable if used and connect to the network using a standard Ethernet patch cable 9 Restore the PC s previous IP settings 3 2 Configuring Default IP from the Console port WAN port 0 also serves as a console port duri...

Page 16: ...example values with those provided by your network administrator set ipaddr 10 1 1 240 set netmask 255 255 255 0 set gatewayip 10 1 1 1 7 optional Enter a new host name set hostname NEWNAME 8 Enter the following commands to save the changes and restart the system save boot 16 ...

Page 17: ... pop up appears use the default username admin and password admin to log on Click OK and the welcome screen displays with the main menu down the left side Note If using Windows Internet Explorer Compatibility View may need to be enabled This can be done by clicking on the broken page icon in the address field of the address bar or by adding the IP address using the Compatibility View Settings unde...

Page 18: ...s available with the Help button located in the top right of most pages The online help contains the most up to date information and should be used in preference to this manual Under the System section of the main page menu Date and Time settings can be used to configure date time time zone and NTP server The IP network settings are available with the Ethernet menu item Refer to the following sect...

Page 19: ... status of any active X 25 TCP connections Refer to the X 25 Gateway sections for configuration details TCP to X 25 Routes and X 25 to TCP Routes the Connection Status item for details on the status display of X 25 TCP connections and the Control and Log item for detail on that display 3 5 Configuring a Terminal Server To set up a port for asynchronous serial use click on the Serial TCP item in th...

Page 20: ...e changed For synchronized time an NTP server may be configured 4 1 1 Date and Time Setup To modify the date time of day and time zone select the relevant Change box and use the drop down menus to select the correct values 4 1 2 NTP Server To use an NTP Network Time Protocol server to synchronize the correct time select the Use NTP box and enter the desired NTP server address A DNS server will nee...

Page 21: ...e selected from the Ethernet Interfaces table which will populate the fields with its current settings To configure a VLAN interface enter eth0 x in the Interface Name field where x is an integer from 0 to 255 To configure a secondary IP address enter eth0 x in the Interface Name field where x is an integer from 0 to 255 To delete a previously configured interface enter 0 0 0 0 as the IP address f...

Page 22: ...rface refers to the Ethernet 10 100 port VLAN interfaces may be added to eth0 Interface Name The label assigned by Linux to the Ethernet adapter The default primary Ethernet adapter is labelled eth0 secondary IP labels appear as eth0 x and VLAN labels appear as eth0 x where x is an integer from 0 to 255 Configuration To specify a static IP address for the interface select Static To have a DHCP ser...

Page 23: ... Trap Community name must be changed to that expected by the server The SNMP parameters may be modified using the form and clicking the Apply button Changes will take immediate effect 4 3 1 SNMP Parameters System Description A string describing the system name System Location A string describing the system location System Contact A string describing the system contact information RO Community A st...

Page 24: ...acters in the shared secret are not supported by the RADIUS client 4 4 2 Web Administration To change web administration user credentials select the Change Web Admin Credentials box and enter the desired username and password in the provided fields 4 4 2 1 Web Admin Parameters Username Enter the desired web admin username Only one username is supported so if the username is changed then the old us...

Page 25: ...cess Gateway select the Restart box and click Apply If other maintenance actions are selected on this page they will be performed prior to rebooting 4 5 2 Firmware To update the firmware flash image on the Access Gateway select the Update box and fill in the relevant fields 25 ...

Page 26: ...update file directly using the web browser choose the Upload File Load Method This will enable the File field Click the field or the Browse button to select the file to upload The file must be named a4k_update tar gz for the upload to succeed 4 5 3 Configuration Configuration settings can be downloaded for backup and then later restored to the Access Gateway To download the configuration settings ...

Page 27: ...fault port is UDP 514 but this can be modified by appending port to the IP address If this field is changed the syslog daemon will be restarted when the Update button is clicked 4 6 2 Rotation age Enter the number of days that log files will be retained Files older than this age will be deleted If files are being saved to the root file system keep this value as short as possible to prevent the lim...

Page 28: ...on and management It would be counter productive for a unit to take over anothers primary IP and masquerade its configuration and management interface 4 7 1 Remote peer IP address This is the IP address of the remote peer unit preferably defined as a secondary IP address in the peer unit The secondary IP address in the peer unit is defined in the Ethernet page using Interface name eth0 0 4 7 2 Sec...

Page 29: ...is page allows access to system files for advanced settings This should only be used by experienced Linux users or with the explicit guidance of a Microtronix support technician The Help page provides more details Some of the things that may be accomplished are Enable or disable servers like telnet ssh httpd https etc Enable system console on the Console WAN port or a USB serial adapter port Enabl...

Page 30: ...gure Once selected the current settings for that interface will be displayed 2 Modify the parameters to be compatible with the attached device 3 In order for the configuration to take effect the Restart WAN Interface box must be checked Otherwise the configuration will be saved but will not take effect until the next time the interface is restarted 4 Click the Update button to save changes and res...

Page 31: ...external transmit clock Clock Rate Specifies the clock rate used for the internal clock source Internal TxFromRx TxInt Do not set the speed higher than the attached device s capability RS232 is limited to 128Kb s with a short reliable cable Otherwise RS232 is limited to 64Kb s Other interface types allow speeds up to 10 Mbps DTR Detection If the attached device does not support a DTR signal then d...

Page 32: ...evice 3 In order for the configuration to take effect the Restart WAN Interface box must be checked Otherwise the saved configuration not take effect until the next time the interface is restarted 4 Click the Update button to save changes and restart the interface if selected 5 2 2 LAPB Parameters Device The X 25 WAN interface being configured This will be hdlc0 WAN port 0 or hdlc1 Console WAN por...

Page 33: ...lue should include the following maximum data packet size desired minimum 128 bytes maximum 4096 packet header 3 bytes for modulo 8 or 4 bytes for modulo 128 frame header 2 bytes for modulo 8 or 3 bytes for modulo 128 checksum 2 bytes Retransmit Attempts N2 Counter The maximum number of attempts made to complete the successful transmission of a frame before attempting recovery Retransmit Timeout T...

Page 34: ...VCs and PVCs The Emulation mode DTE DCE is usually set to the opposite of the attached peer but this is not mandatory Other parameters are not usually changed but can be modified to fine tune an interface 5 3 1 X 25 Packet Layer Setup 1 In the Device field select the WAN interface to configure Once selected the current settings for that interface will be displayed 2 Modify the parameters to be com...

Page 35: ... for the charges Disallow Outgoing Flow Control Facilities Selecting this prevents any outbound X 25 call request from containing packet or window size negotiation facilities This may force a backwards negotiation to be initiated Default Packet Size The default maximum number of data bytes to be included in a single packet on this link The default value may also be changed by packet size negotiati...

Page 36: ...celed when a call accept or clear request is received Upon expiry a clear request will be transmitted Reset Request Timeout T12 T22 Timer The length in seconds started when a reset request is transmitted Canceled when a reset request or reset confirm is received Upon expiry a clear request SVC or reset request PVC will be transmitted Clear Request Timeout T13 T23 Timer The length in seconds starte...

Page 37: ...ace 5 4 1 HDLC Interface Status The HDLC Interface status table provides information for the physical layer The following table provides a description of each column HDLC Interface Status Device Devices that are currently being used for sync server operation hdlc0 WAN port 0 hdlc1 Console WAN port 1 Type Interface type Clock Clock source Rate Clock rate If an external clock source will display unk...

Page 38: ...time in seconds before retransmission of an unacknowledged frame N2 Current retransmit attempts number of attempts already made to complete the successful transmission of a frame vs Send State Variable v s next send frame sequence number vr Receive State Variable v r next expected frame sequence number va Last acknowledged frame sequence number v a T2 Remaining time in seconds before transmission ...

Page 39: ...rt Indication Timer The remaining time of the outstanding Restart Request Timer before retransmission 5 5 LCI Status This page displays the current status of active X 25 logical channels on the WAN interfaces Logical channel 0 in Listening state means that the gateway is expecting calls to be received on the interface The following table describes each column of the status table 39 ...

Page 40: ... 25 logical channel LCI Logical channel identifier SVC or PVC number State Current state of the logical channel p1 Channel Ready or Listening p2 DTE Call Request p3 DCE Incoming Call p4 Data Transfer d1 Flow Control Ready d2 DTE Reset Request d3 DCE Reset Indication p5 Call Collision p6 DTE Clear Request p7 DCE Clear Indication v s Sequence number of the next data packet to be transmitted v r Sequ...

Page 41: ...ort as the destination The Gateway scans the routes in canonical order for the first matching entry and then establishes an X 25 connection with a remote X 25 host using the outbound X 25 Connection parameters to construct the call request When the remote X 25 host accepts the call the gateway between the TCP socket and X 25 logical channel is ready for data transfer The required parameters for a ...

Page 42: ...ted enter the Called X 25 Address If a PVC type has been selected enter the Logical Channel Number Click the Add Entry button to add the route to the route table The new route will be added as the lowest rank Use the up and down arrows to adjust the ranking of the new route The lower the number the higher the priority the route will take in the scan for a match NOTE Routes added to the table do no...

Page 43: ...cepted Listening TCP Port TCP port number on which the gateway is listening The remote IP host uses this as the destination port number Conversion Type Conversion type that will be used for TCP IP data transfer XOT MBIT RAW RAW MBIT RFC1006 Q MBIT RBP QRBP AEPN OFTP LINE or IAC ESC The remote TCP IP host application must support this method Refer to the Conversions And Encapsulations section for d...

Page 44: ...CN For PVC connection type specifies the Logical Channel Number to connect XOT remote LCN For XOT conversion type and PVC connection type specifies the Logical Channel Number at the X 25 interface of the remote XOT peer XOT remote interface For XOT conversion type and PVC connection type specifies the interface name in brackets at the remote XOT peer For example hdlc0 Window Size Window size negot...

Page 45: ...Microtronix Access User Guide where the AFI is 36 for X 121 format the IDI 12345678 is left padded with 0 to make 14 digits and the DSP 123 is right padded with F to make an even number of digits 45 ...

Page 46: ...nection request to the remote IP host When the remote IP host accepts the connection the X 25 call will be accepted and the gateway connection between the TCP socket and X 25 logical channel is then ready for data transfer using the conversion method specified in the route entry When a PVC route is set up the TCP IP connection will be automatically established before the PVC is opened The required...

Page 47: ...e inserted into the source or calling address field of the X 25 call request 1 Under the Generate outbound TCP IP connection section of the route edit form enter the following The Conversion Type for the TCP IP connection The IP Address of the remote TCP IP host The TCP port number that the remote TCP IP host is listening on 1 Click the Add Entry button to add the route to the route table The new ...

Page 48: ... XOT peer will connect The normal default is port 1998 Relevant only when Device above is set to XOT Connection Type Type of connection being received SVC call request or PVC automatic Called Address X 121 address expected in the called address field destination of a received call request Calling Address X 121 address expected in the calling address field source of a received call request If the c...

Page 49: ...t Allows up to 128 byte user data field in the call request and clear indication packets Calling Address Extension Called Address Extension 6 2 5 2 Generate outbound TCP IP connection Conversion Type Conversion type that will be used for TCP IP data transfer XOT RAW MBIT RAW MBIT RFC1006 Q MBIT AEPN RBP QRBP OFTP LINE or IAC ESC The remote host application must support this method Refer to the Con...

Page 50: ...counterpart The and arrows between the TCP and X 25 counterparts show the direction of the original connection Clicking the Refresh button will update the table to reflect recent changes The following table provides the meaning of each column Gateway Connections Parameter Description TCP IP State The current state of the gateway session towards the TCP IP socket Disconnected Connecting Listening R...

Page 51: ...Control and Log This page provides status and control of X 25 TCP gateway application System log messages pertinent to this application will be displayed The current status of the application are indicated by a Running or Stopped indicator Stopping or restarting the application will disconnect any active sessions and the associated TCP and X 25 communication sockets will be closed If the applicati...

Page 52: ...way through a specified TCP port The port s on the base unit are named ttyS and the serial port s on a USB attached serial adapter are named ttyUSBn The number of USB ports is dependent on the size of the adapter 1 2 4 or 8 ports 7 1 1 Terminal Server Setup To configure the terminal server application select the desired interface from the Device field set the relevant communication parameters and ...

Page 53: ...led it is added to the end of each character Options are None No parity bit will be added Even A parity bit will be added so that the character has an even number of 1 s Odd A parity bit will be added so that the character has an odd number of 1 s Flow Control The method of controlling data flow to the device Options are None No flow control method will be used XON XOFF XON XOFF characters will be...

Page 54: ...the IP Address is set to 0 0 0 0 the terminal server will accept connections from a remote TCP IP client on this TCP port number If the IP Address is set to a valid destination the terminal server will connect to a remote TCP IP server at the Specified TCP port number IP Address If the IP address is set to 0 0 0 0 then the terminal server will listen on the specified TCP Port for connections from ...

Page 55: ...s data connection status CTS Status of the Clear To Send modem signal Reflects the DCE flow control condition if hardware flow control option has been selected DTR Status of the Data Terminal Ready modem signal ON indicates the DTE device is ready for a connection RTS Status of the Request To Send modem signal Reflects the DTE flow control condition if hardware flow control option has been selecte...

Page 56: ... or restarting an application will disconnect any active sessions and the associated TCP and serial communication sockets will be closed If the application is stopped then a Start button will be displayed to start it again A terminal server must be enabled from the Terminal Server Configuration pages in order to be started The system log scrolling region shows significant application events since ...

Page 57: ...s Gateway through a specified TCP port 8 1 1 Sync Server Setup To configure the sync server application select the desired interface from the Device field set the relevant communication parameters and click the Apply button Note The Start Restart Sync Server box must be selected in order to have configuration changes applied immediately otherwise only the configuration will be saved 8 1 2 Synchron...

Page 58: ...limited to 64Kb s Other interface types allow speeds up to 10 Mbps Parity Cyclical Redundancy Checksum CRC added to the end of trnasmitted frames for the detection of bits errors by the receiver If enabled it is added to the end of each frame and checked on received frames Options are None No CRC will be generated or checked CRC 16 2 byte CRC as per ITU CRC 32 4 byte CRC as per ITU Encoding The me...

Page 59: ... sync server will initiate a connection to a remote TCP IP server 8 2 Status This page provides status information for serial devices configured for synchronous HDLC operation The table shows that a connection from a remote TCP client server has been established The following table provides the description of each column Device Devices that are currently being used for sync server operation hdlc0 ...

Page 60: ...CP connection is present DTR ON indicates the connected device is ready for a connection RTS ON indicates the connected device is ready for data Local IP IP address of the local TCP socket No socket if reported as 0 0 0 0 Local TCP TCP port number of the local TCP socket If the local IP address is 0 0 0 0 indicates the terminal server is listening on that port Remote IP If not 0 0 0 0 indicates th...

Page 61: ...ing or restarting an application will disconnect any active sessions and the associated TCP and HDLC communication sockets will be closed If the application is stopped then a Start button will be displayed to start it again A synchronous server must be enabled from the Sync Server Configuration pages in order to be started The system log scrolling region shows significant application events since ...

Page 62: ...t statistics for all network interfaces IP and HDLC The following tables provide the meaning of each field 62 Receive Statistics Parameter Description Interface The active network device Bytes The number of bytes received by the interface Packets The number of packets received by the interface Errs The total number of receive errors detected including CRC errors Drop The number of dropped packets ...

Page 63: ... transmitted by the interface Packets The number of packets transmitted by the interface Errs The number of transmit errors detected Drop The number of packets dropped Fifo The number of FIFO buffer errors Colls The number of collisions Carrier The number of carrier losses detected Compressed The number of compressed packets transmitted ...

Page 64: ...w or refresh the display of a log file select the desired file from the list provided and click the View Refresh button Lines from the end To restrict the output to a certain number of lines enter the desired number of lines and click View Refresh If other filters are also in effect or there fewer lines available than entered then the total number of displayed lines may be less 64 ...

Page 65: ... the month and day selections will be changed to the values for that day To clear a date filter select the first option in the list which will consist of a string with a dash on each end To clear all date selections click the button labeled Clear Freeform text To restrict output to lines containing a specific string enter a string in this field Some basic regular expressions are supported 65 ...

Page 66: ...3 Receive 4 n c 5 n c 6 Receive 7 n c 8 n c 10 1 1 Ethernet Cables A standard RJ45 Ethernet patch cable straight through may be used to connect to a hub or switch An Ethernet crossover cable usually red may be used for direct connection to a PC for initial configuration 66 Ethernet cable part numbers 811 W6002 06 RJ45 Ethernet straight through patch cable blue 6 ft 811 W6003 06 RJ45 Ethernet cross...

Page 67: ...d signals A and B require twisted pair wires in the cable Unbalanced signals A only do not The following table shows the RS530 pin configuration of the WAN port Note Receive clock RxC A B on pins 17 9 is bi directional and depends on the clock configuration of the port Transmit clock TxC A B is either output on pins 15 12 or input on pins 24 11 depending on the clock configuration Refer to the fol...

Page 68: ...rce for both receive and transmit clock If the port is configured to generate DCE clocks internally Clock source Internal then a baud rate is chosen and the internal baud rate generator is used to source the RxC and TxC clock signals Pins 24 11 are not used and may be omitted from the cable If the port is configured to receive the clock from the DTE Clock source DTE then the received ETxC signal p...

Page 69: ... 10 12 31 11 11 W 35 12 12 AA 23 13 13 27 14 14 S 9 22 15 15 15 Y 5 16 16 T 11 24 17 17 17 V 6 8 19 19 25 20 20 20 H 3 12 22 22 29 23 23 10 30 24 24 24 U 17 Other lengths are available by special order 69 Part Number Description 811 SC6MF DB25M DB25F RS232 V 24 straight through cable 6 ft W4025 RS530 DCE n DB25M DB25F RS530 straight through cable custom length W4025 V35 DCE 001 DB25M M34F V 35 ada...

Page 70: ...A 11 input TxC B Note If the DCE uses the same source for generating the clock for both receive and transmit then the port can be configured for a single clock Clock source RxFromTx on pins 17 9 and pins 24 11 may be omitted The following table shows the pin configurations and connector types for each supported interface type The first column DB25M is the end of the cable that connects to the WAN ...

Page 71: ...ft W4025 V24 DTE 001 DB25M DB25M RS232 V 24 crossover cable 1 ft W4025 V35 DTE 001 DB25M M34M V 35 crossover adapter cable 1 ft W4025 X21 DTE 001 DB25M DB15M X 21 crossover adapter cable 1 ft W4025 RS449 DTE 001 DB25M DB37M RS449 V 36 crossover adapter cable 1 ft Other lengths are available by special order 71 ...

Page 72: ...ype DB25M RS530 DB25M RS232 DB25M V 35 M 34M RS449 DB37M 1 1 1 A 1 2 3 3 R 6 3 2 2 P 4 4 8 8 F 13 6 20 20 H 12 7 7 7 B 19 37 8 4 4 C 7 9 11 W 35 10 19 25 11 9 X 26 14 16 T 24 16 14 S 22 17 24 24 U 17 19 10 31 20 6 6 E 11 22 23 30 23 22 29 24 17 17 V 8 10 2 3 Split clock configuration When the primary WAN port is configured for split clock Clock source TxInt the clock pins are configured as shown i...

Page 73: ...Microtronix Access User Guide Pin Direction Signal Name 17 output RxC A 9 output RxC B 24 input TxC A 11 input TxC B 73 ...

Page 74: ... to a DTE Device The WAN port is configured as a DCE so can normally connect to a DTE device using standard straight through or 9 pin adapter cables 10 3 1 1 Straight Through Cables The table shows the pin configurations and connector types of the cables The first column DB25M is the end of the cable that connects to the WAN port The other columns depict the connector and pin configuration of the ...

Page 75: ...ssover cable must be used to connect to another DCE device for example a modem so that the port emulates a DTE 10 3 2 1 Null Modem Cables The table shows the pin configuration and connectors The cable is symmetrical so it doesn t matter which end connects to the WAN port DB25M DB25M 1 1 2 3 3 2 4 5 5 4 6 8 20 7 7 20 6 8 Note that pins 6 and 8 DSR and CD may be wired together at each end Alternativ...

Page 76: ...W4025 RS449 DTE 001 DB25M DB37M RS449 crossover adapter cable 1 ft 10 4 USB Host Port The USB host port provides USB 1 1 in a type A connector It is used for additional serial or storage devices USB serial adapters may be connected here to expand the number of ports used in terminal server operation In the Access CDR Collection Manager option the USB port is used to connect a USB flash drive for s...

Page 77: ...nd transmit a message in a single write TCP on the other hand does not have a specific boundary around messages sent by applications Like an asynchronous serial data stream TCP is byte stream oriented Even if an application sends a message as a single write operation there is no guarantee that the message arrives at the receiver application in a single discreet segment It can get split across TCP ...

Page 78: ... packet size contained within a single TCP packet is delivered as a sequence of packets with M bit except the last packet in the sequence This prevents merging of messages into the same More bit sequence of data packets When merging occurs X 25 applications often treat the concatenated messages as a single invalid message or ignore the trailing data on the end of the first valid message s in one p...

Page 79: ...e header differs in the pad byte The Q MBIT header has 4 bytes consisting of a fixed value byte for identity and recognition a Q bit flag byte coded 0 or 1 followed by the length of the entire message payload and header Q bit packets are used by some X 25 applications for passing control information Q MBIT message format Version Q bit Q MBIT message length 4 payload length Payload 0x03 0x00 1 MSB ...

Page 80: ... message boundaries in much the same way as the MBIT method described above The message header differs in length and value and application messages may span multiple RBP messages by use the the M bit 0x01 in the RBP flag byte The RBP header consists of 6 bytes consisting of 2 fixed value bytes version followed by the length of the payload and a flag byte RBP message format Version Payload length F...

Page 81: ...Microtronix Access User Guide ID Header length Ver sion Payload length Flag Pad Payload 0x54 0x9F 0x08 0x02 MSB LSB 0xN0 0x00 Application message 81 ...

Page 82: ... 4000 Snn where nn is any alphanumeric character representing the software variant 12 2 2 1 Complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply wi...

Page 83: ...ires the use of shielded cables and connectors for proper installation and connection to peripheral devices Shielded cables and connectors are available from Microtronix Datacom Ltd or from authorized dealers The manufacturer is not responsible for any radio or television interference caused by unauthorized modifications to this equipment If necessary the user should consult the dealer Microtronix...

Page 84: ... 09 EN 55022 2006 Class A Limits and methods of measurement of radio disturbance characteristics of Information Technology Equipment CISPR 24 1997 A1 2001 A2 2002 EN 55024 1998 A1 2001 A2 2003 Information Technology Equipment Immunity Characteristics Limits and Methods of Measurements IEC60950 1 2005 2nd Edition EN60950 1 2006 2nd Edition Information Technology Equipment Safety Part 1 General Requ...

Page 85: ...cifications The Customer s sole and exclusive remedy and the entire liability of Microtronix under this limited warranty will be at Microtronix option firmware replacement or firmware upgrade repair In no event does Microtronix warrant that the Software is error free or that the Customer will be able to operate the Software without problems or interruptions In addition due to the continual develop...

Page 86: ...ide your name company name product name and serial number along with a brief description of the problem General information inquiries can be directed to info microtronix com For general information visit our web page at www microtronix com 86 ...

Page 87: ...ollection Manager Model RJ45 Ethernet DB25F WAN ports USB host port interface DB9M Serial ports Power connector 1000 S0A 1 1 external 0 5VDC 4002 S0A 1 2 external or internal 0 12VDC 4002 N0A RM 1 2 internal 0 48VDC 4002 N4A RM 1 2 not available 4 48VDC Notes 1 A 32GB flash drive may be mounted internally and connected to the internal USB interface 2 Serial expansion ports may be added using an ex...

Page 88: ...rts 4002 N04 RM Access 4000 X 25 TCP Gateway 2 WAN ports 1U rack mount enclosure 4002 N44 RM Access 4000 X 25 TCP Gateway 2 WAN ports 1U rack mount enclosure 4 Serial ports 14 1 3 CDR Collection Manager CDR collection BSS application Includes Serial TCP conversion and X 25 TCP gateway for OSS applications FTAM is an optional package requiring a separate license Part Number Description 1000 S01 Acc...

Page 89: ...uropean plug 589 PS 1213AP 120 240 VAC to 12VDC power adapter with country specific AC power cord 5883 PSC30U 120 240 VAC to 48VDC power adapter with country specific AC power cord Country specific AC power cable for 12VDC and 48VDC power adapters W4002 48VDC power cable M4002 00 00 19 1U Rack Mount Shelf for 1 or 2 Access 4000 desktop units 288 USB44051 32 GB USB flash drive 1 port USB serial ada...

Page 90: ...or 132MHz 32MB SDRAM memory 16MB Flash memory CMOS real time clock on Access 4000 5 VDC 12VDC or 48VDC power connector 15 1 3 Ethernet Interface 10 100BASE T RJ45 connector auto detection 15 1 4 USB Interface USB 1 1 Type A host port connector 15 1 5 WAN Interface DB25F DCE connector multi protocol software selectable RS530 a RS232 V 24 V 35 X 21 RS449 V 36 asynchronous speeds 300 to 115200 bps sy...

Page 91: ...lities called and calling address extension Q bit and M bit control X 29 PAD support 15 2 2 X 25 TCP Encapsulation and Conversion methods X 25 Over TCP XOT per RFC 1613 for X 25 transparency RFC1006 for ISO TP0 bridging Q MBIT for X 25 More bit and Q bit preservation Cisco RBP Cisco RBP with Q bit support RAW for byte streaming MBIT for X 25 More bit message preservation AEPN for X 25 More bit and...

Page 92: ...ry listener local IP interface or VLAN remote IP address remote TCP port number Matched connections are routed to an X 25 outbound connection with any or all of X 25 interface selection WAN port or XOT destination called X 121 address source calling X 121 address PID and userdata X 25 and or DTE facilities Using specified encapsulation or conversion method 15 2 5 Asynchronous X 28 Serial Features ...

Page 93: ...g configurations NTP client for accurate time synchronization 15 2 8 CDR Collection Manager Option With the CDR collection option The Access Gateway connects directly to the X 25 interface of the telephone switch and polls for billing CDR AMA record and traffic data files using the protocols AMATPS BX 25 EADAS XFER Nortel DMS MTP client or server Ericsson AXE OSI FTAM client or server available op...

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