MICROTRONIX access 1000 series User Manual
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MICROTRONIX access 1000 series User Manual

X25 tcp gateway serial/tcp converter
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Microtronix 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

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  • Page 1 Microtronix 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: Table Of Contents

    Microtronix Access User Guide Table of Contents 1 ABOUT THE ACCESS X.25/TCP GATEWAY................7 1.1 Overview............................7 1.2 Hardware Features and Interfaces....................7 1.2.1 Model 1000-S04........................7 1.2.2 Model 4002-S04........................7 1.2.3 Model 4002-N04........................7 1.2.4 Model 4002-N04-RM......................8 1.2.5 Model 4002-N44-RM......................8 1.3 Software/Application Features......................8...
  • Page 3 Microtronix Access User Guide 4.1.1 Date and Time Setup......................20 4.1.2 NTP Server.......................... 20 4.2 Ethernet............................21 4.2.1 Network Setup........................21 4.2.2 System Parameters......................22 4.2.3 Interface Parameters......................22 4.3 SNMP............................23 4.3.1 SNMP Parameters....................... 23 4.4 Authentication..........................24 4.4.1 RADIUS Authentication......................24 4.4.1.1 RADIUS Parameters....................24...
  • Page 4 Microtronix Access User Guide 6 X.25/TCP GATEWAY CONFIGURATION................41 6.1 TCP to X.25 Routes........................41 6.1.1 Route Table......................... 42 6.1.2 Creating a New Route......................42 6.1.3 Editing an Existing Route.....................42 6.1.4 Remove an Existing Route....................42 6.1.5 Show Facilities........................43 6.1.6 TCP to X.25 Route Parameters...................43 6.1.6.1 Identify inbound TCP/IP connection................43...
  • Page 5 12.2.2.1 Complies with Part 15 of the FCC Rules..............82 12.2.2.2 Important Notice about Cables...................83 13 WARRANTY AND SUPPORT....................85 13.1 Warranty............................ 85 13.1.1 Microtronix One Year Limited Hardware Warranty.............85 13.1.2 Microtronix 90-Day Limited Firmware Warranty..............85 13.1.3 Limited Liability........................85 13.2 Customer Service &Technical Support..................85 14 PRODUCT ORDERING INFORMATION................87...
  • Page 6 Microtronix Access User Guide 14.1.2 X.25/TCP Gateway......................88 14.1.3 CDR Collection Manager....................88 14.1.4 MWI Gateway (SIP and SMDI Message Waiting Indicator Solutions)........88 14.2 Accessories..........................89 15 SPECIFICATIONS.........................90 15.1 Hardware and Interfaces......................90 15.1.1 Enclosure.......................... 90 15.1.2 System..........................90 15.1.3 Ethernet Interface......................90 15.1.4 USB Interface........................

  • Page 7: About The Access X.25/Tcp Gateway

    Microtronix Access User Guide 1 About the Access X.25/TCP Gateway 1.1 Overview The Access X.25/TCP Gateway provides conversion of X.25 to TCP/IP and TCP/IP to X.25. X.25 logical channels are mapped to TCP/IP sockets using a comprehensive routing table that allows for full control of call setup and recognition.

  • Page 8: Model 4002-N04-Rm

    Microtronix Access User Guide 10/100 Base-T Ethernet – RJ45 ● 2 - WAN ports - DB25F RS530[A] configurable for RS232/V.24, X.21, V.35, RS449/V.36 ● Internally-mounted USB Host port interface for internal flash drive or 4 port serial expansion ● 1.2.4 Model 4002-N04-RM 19”...

  • Page 9: Terminal Server

    Microtronix Access User Guide Switching calls between remote units using XOT ● 1.3.4 Terminal Server Serial / asynchronous interface to TCP/IP ● TCP/IP client or server support ● Configurable speed, parity, stop bits, and flow control method ● 1, 2, 4, or 8 additional ports on USB-attached serial adapter (optional) ●...

  • Page 10: Installation

    Microtronix Access User Guide 2 Installation The first step that should be taken is to ensure that you have received all the equipment ordered and that it has not been damaged in transit. If there are any external signs of damage, note them in writing and contact the transport company to make a claim.

  • Page 11: Model 4002-N04

    Microtronix Access User Guide 2.1.3 Model 4002-N04 Qty Part Number Part Description 4002-N04 Access 4000 Gateway unit with -48VDC input connector W4002 -48VDC Power cord [284-MC1MF DB9F-DB25M Console cable, 6 ft 811-W6003-06 RJ45 Ethernet crossover cable (red), 6 ft 811-W6002-06 RJ45 Ethernet patch cable (blue), 6 ft 2.1.4 Model 4002-N04-RM...

  • Page 12: Location

    Microtronix Access User Guide Internally mounted 32GB flash drive (standard with CDR Collection Manager) ● -48VDC AC adapter ● 2.2 Location Select a location for the Access Gateway that meets the following requirements: Complies with the Environment and Electrical Requirements outlined in this section.

  • Page 13: Power Requirements

    Microtronix Access User Guide 2.6 Power Requirements The Access Gateway operates from a 5 VDC, 12VDC or -48VDC power source. The 5V and 12V units are supplied with an AC-DC power converter rated for: 100-240VAC 50/60Hz and 5 or 12VDC output at 1.3 Amps.
  • Page 14 Microtronix Access User Guide A 3-pin Eurostyle 39860 male right-angle jack (Molex # 39860-0703) with a flame retardant wire harness is provided for making the -48VDC power connection. Two #18 AWG wires in the harness provide the DC power and one green wire provides the chassis ground connection. (PN: W4002) The Frame Ground screw connection on the rear panel must be used in order to comply with installation requirements.

  • Page 15: Initial Start-Up Procedure

    Microtronix Access User Guide 3 Initial Start-up Procedure The first step in the initial setup is to configure the IP address and network parameters. This may be accomplished through the serial console port, or using a web browser from a PC on a reachable Ethernet network.
  • Page 16 Microtronix Access User Guide 6) Enter the following commands replacing the 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.

  • Page 17: Web Configuration Interface

    Microtronix Access User Guide 3.3 Web Configuration Interface To access the web-based configuration interface, use an Internet browser to navigate to the IP address of the gateway (default 10.1.1.240). When the authentication pop-up appears, use the default username “admin” and password “admin” to log on.
  • Page 18 Microtronix Access User Guide Using the main menu in the left hand pane of the displayed page, click the desired configuration or display options. Edit as needed and remember to click any Apply or Update button to save changes. Context-sensitive help is available with the Help button located in the top right of most pages.

  • Page 19: Configuring The X.25/Tcp Gateway

    Microtronix Access User Guide 3.4 Configuring the X.25/TCP Gateway To set up a port for X.25 use, click on the L1-Device, L2-LAPB, and L3-X.25 items in the X.25 WAN section of the main menu to display the configuration form for each layer of the protocol. Configure the parameters to match the attached device.

  • Page 20: System Configuration

    Microtronix Access User Guide 4 System Configuration This section allows general configuration and administration of the system. Click on each item in the System section of the main menu to display and modify system parameters. 4.1 Date and Time The Date and Time page displays the current time and date for the time zone configured. Time, date, and time zone may be changed.

  • Page 21: Ethernet

    Microtronix Access User Guide 4.2 Ethernet The Ethernet page displays the status of the current interfaces configured. The form allows changes to the interfaces and the addition of VLAN interfaces. 4.2.1 Network Setup To modify the IP network settings, fill in the provided configuration fields. If the desired interface has previously been configured, the interface may be selected from the Ethernet Interfaces table which will populate the fields with its current settings.

  • Page 22: System Parameters

    Microtronix Access User Guide Note: Upon updating the primary Ethernet adapter configuration, the web interface will automatically redirect the browser to its updated location, if reachable. 4.2.2 System Parameters Hostname: The host name assigned to the Access Gateway. Default Gateway: The IP address of the default gateway which provides access to external networks.

  • Page 23: Snmp

    Microtronix Access User Guide 4.3 SNMP An SNMP agent is enabled by default in the Access Gateway, and will respond to requests if polled. The RO Community name must match that used by the the remote SNMP client. The client may change the system parameters, in which case the RW Community name must also match.

  • Page 24: Authentication

    Microtronix Access User Guide 4.4 Authentication 4.4.1 RADIUS Authentication To enable authentication through a RADIUS server, select the “Use RADIUS for Authentication” box, and enter the RADIUS server parameters in the provided fields. 4.4.1.1 RADIUS Parameters Authentication Server: Enter the server address. To avoid a DNS query it is recommended that an IP address is used instead of a hostname.

  • Page 25: Maintenance

    Microtronix Access User Guide 4.5 Maintenance 4.5.1 General To reboot the Access 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...

  • Page 26: Update Firmware Parameters

    Microtronix Access User Guide 4.5.2.1 Update Firmware Parameters Load Method: Supported firmware update methods include FTP, TFTP and Upload File. If TFTP is selected, then only the Server Address field is required. Server Address: Enter the address of the server hosting the firmware update.

  • Page 27: System Logging

    Microtronix Access User Guide 4.6 System Logging This page allows access to the configuration of the sytem logging interface and log file rotation. Log files are rotated by the log rotation script scheduled to run just before midnight local time. The current log file is zipped and saved on the root file system (/var/backups/) or on any mounted USB flash drive (/mnt/usb1/log/).

  • Page 28: Redundancy

    Microtronix Access User Guide 4.7 Redundancy This page allows configuration of redundancy between a pair of Access units. One may be master, the other slave, or they can be set up for co-redundancy. Redundancy is accomplished by monitoring an IP address assigned to the peer unit. If that IP address does not respond for any reason, the monitoring unit will assume it as its own secondary IP address.

  • Page 29: Enable Local X.25 Interface Watchdog

    4.8 Edit System Files This 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 ●...

  • Page 30: 25 Wan Interfaces Configuration

    Microtronix Access User Guide 5 X.25 WAN Interfaces Configuration This section allows for configuration and administration of the WAN (Wide Area Network) interfaces for X.25. Click on each item in the X.25 WAN section of the main menu to invoke the configuration forms and status displays.
  • Page 31 Microtronix Access User Guide If connecting to a DCE device (like a modem) that provides the clock signal, an external clock source is chosen. For independent transmit and receive clocks, choose External. For a single clock signal source, choose RxFromTx. When using a tail circuit cable, choose TxFromRx.

  • Page 32: L2 - Lapb

    Microtronix Access User Guide 5.2 L2 - LAPB The LAPB configuration page allows any of the X.25 data link layer 2 parameters to be set. The values that MUST match to the attached X.25 equipment are the default window size and modulus. The Emulation mode (DTE/DCE) MUST be set to the opposite of the attached peer.
  • Page 33 Microtronix Access User Guide Window Modulus: LAPB may be set to standard (Modulo-8) or extended (Modulo-128) sequencing. Modulo-8 allows for up to 7 unacknowledged packets to be transmitted before receiving an acknowledgment. Modulo-128 will allow up to 127 packets to be transmitted before receiving an acknowledgment.

  • Page 34: L3 - X.25

    Microtronix Access User Guide 5.3 L3 - X.25 The X.25 configuration page allows any of the X.25 packet layer parameters to be set. The values that MUST match to the attached peer are the packet and window default sizes, and the number of SVCs and PVCs.

  • Page 35: Parameters

    Microtronix Access User Guide 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 restart the interface if selected.
  • Page 36 Microtronix Access User Guide Acknowledgment Hold Back Timeout (T2 Timer): The length in seconds before packet acknowledgments (RR) are sent. Restart Request Timeout (T10/T20 Timer): The length in seconds before an outbound restart request is retransmitted. Canceled once a restart confirmation is received.

  • Page 37: Status

    Microtronix Access User Guide 5.4 X.25 Status The X.25 Status page displays the current status of the X.25 Interface at each of the 3 layers, physical (HDLC), LAPB, and X.25. The operational values are those in used in current operation. Any saved changes to the values may have not become effective yet.

  • Page 38: Lapb Status

    Microtronix Access User Guide ON when the interface is enabled. ON when the interface is enabled. ON indicates the connected device is ready. ON indicates the connected device is ready. 5.4.2 LAPB Status The LAPB status table provides status information for the LAPB frame layer. The following table provides a description of each column.

  • Page 39: Lci Status

    Microtronix Access User Guide State The current state of the X.25 device. States include: Not Ready – lower level is down r1: Ready – Packet Control Ready r2 – DTE Restart Request r3 – DCE Restart Indication Timer The remaining time of the outstanding Restart Request Timer before retransmission.

  • Page 40: Parameter Description

    Microtronix Access User Guide Parameter Description Remote X.25 to TCP/IP: address displayed here will be the Calling X.25 Address. Address TCP/IP to X.25: address displayed here will be the Called X.25 Address. PVC Connection: address displayed here will be “PVC” with the logical channel...

  • Page 41: 25/Tcp Gateway Configuration

    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.

  • Page 42: Route Table

    Microtronix Access User Guide The route setup page provides a route table with all TCP/IP to X.25 route entries along with a form for route editing. 6.1.1 Route Table Upon loading the TCP to X.25 Routes page, the TCP to X.25 Routes table presents the current TCP/IP to X.25 routes.

  • Page 43: Show Facilities

    Microtronix Access User Guide 6.1.5 Show Facilities Selecting Show Facilities provides additional parameters in the edit form display. This allows for further generation of additional X.25 call facility parameters including packet and window negotiation. 6.1.6 TCP to X.25 Route Parameters 6.1.6.1 Identify inbound TCP/IP connection...
  • Page 44 Microtronix Access User Guide XOT TCP Port: TCP port of the remote XOT peer. The normal default is port 1998. Relevant only when Device (above) is set to “XOT”. Connection Type: Type of logical channel connection made to the remote X.25 host, SVC or PVC.
  • 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.

  • Page 46: To Tcp Routes

    Microtronix Access User Guide 6.2 X.25 to TCP Routes When a call request is received from the peer X.25 host, the route table is scanned in canonical order for the first matching entry, using the inbound X.25 connection parameters to compare to the inbound X.25 call request.

  • Page 47: Route Table

    Microtronix Access User Guide The route setup page provides a route table with all the X.25 to TCP/IP route entries along with a form for route editing. 6.2.1 Route Table Upon loading the X.25 to TCP Routes page, the X.25 to TCP Routes table presents the currently defined X.25 to TCP/IP routes.

  • Page 48: Remove An Existing Route

    Microtronix Access User Guide 6.2.4 Remove an Existing Route 1.In the X.25 to TCP Routes table a route may be flagged for removal by selecting the checkbox provided in the Remove column of the table in the corresponding route row. Multiple routes may be selected.

  • Page 49: Generate Outbound Tcp/Ip Connection

    Microtronix Access User Guide 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 which will be negotiated for the session with the connecting X.25 peer.

  • Page 50: Connection Status

    Microtronix Access User Guide 6.3 Connection Status This page provides information on the current active sessions within the X.25-TCP gateway application. These connections have been established in accordance with the Routing tables. The table is divided into two parts, TCP/IP and X.25. Information is provided for each TCP/X.25 gateway interconnection on a row, showing the X.25 and TCP counterpart sockets.

  • Page 51: Control And Log

    Microtronix Access User Guide State The current state of the gateway session towards the X.25 logical channel Disconnected / Connecting / Listening / Reconnect / Waiting / Connected / Flow Control Device The Device being used for the connection to the remote X.25 Host. May be one of: hdlc0, hdlc1, XOT X.25...

  • Page 52: Terminal/Tcp Server Configuration

    Microtronix Access User Guide 7 Terminal/TCP Server Configuration This section allows configuration and administration of the serial to TCP/IP interfaces. Click on each item in this section of the main menu to invoke the configuration form and status displays. 7.1 Serial - TCP The terminal server application provides a raw TCP socket connection to a serial device attached to the Access Gateway, through a specified TCP port.

  • Page 53: Terminal Server Parameters

    Microtronix Access User Guide 7.1.2 Terminal Server Parameters Parameters must be set to match those of the device port on the other end of the serial connection. 7.1.2.1 Device Settings Device: The Access Gateway interface to which the terminal server application will attach.

  • Page 54: Network Settings

    Microtronix Access User Guide IAC-ESC: Data from the TCP socket is scanned for Telnet commands which are stripped and ignored. Escaped IAC characters have the escape removed. Data from the terminal is scanned for IAC characters, and an IAC escape is inserted. This ensures binary data integrity in the data stream.
  • Page 55 Microtronix Access User Guide The following table provides the description of each column. Terminal Server Status Device Devices that are currently being used terminal server operation. Note that the direction of modem signals is reversed between DCE and DTE devices.

  • Page 56: Control And Log

    Microtronix Access User Guide 7.3 Control and Log This page provides status and control of terminal server application. System log messages pertinent to this application will be displayed. The current status of the applications are indicated by a Running Stopped indicator.

  • Page 57: Synchronous/Tcp Server Configuration

    Microtronix Access User Guide 8 Synchronous/TCP Server Configuration This section allows configuration and administration of the synchronous interfaces. Click on each item in the Synchronous section of the main menu to invoke the configuration form and status display. 8.1 Synchronous - TCP The sync server application provides a raw TCP socket connection to a synchronous/HDLC device attached to the Access Gateway, through a specified TCP port.

  • Page 58: Network Settings

    Microtronix Access User Guide hdlc0 - WAN port 0 hdlc1 - WAN port 1 (not available on Access 1000 model) Note: when using WAN port 0 (hdlc0), then hdlc0 MUST be disabled in the L1–Device page, and ttyS0 MUST be disabled in the Terminal Server page. Similarly for hdlc1 and ttyS1.

  • Page 59: Status

    Microtronix Access User Guide IP Address: If the IP address is set to 0.0.0.0, then the sync server will listen on the specified TCP Port for connections from a remote TCP/IP client. If the IP address is set to a valid destination, then the sync server will initiate a connection to a remote TCP/IP server.
  • Page 60 Microtronix Access User Guide Type Interface type. Clock Clock source. Rate Clock rate. If an external clock source, will display “unknown”. Parity Bit encoding. Encoding CRC generation/detection or none. ON when the Sync Server application is running When ON, indicates the presence of a TCP connection ON when a TCP connection is present.

  • Page 61: Control And Log

    Microtronix Access User Guide 8.3 Control and Log This page provides status and control of synchronous server application. System log messages pertinent to this application will be displayed. The current status of the applications are indicated by a Running Stopped indicator.

  • Page 62: Statistics & Logs

    Microtronix Access User Guide 9 Statistics & Logs This section provides access to statistics and logs. Click on each item in this section of the main menu to display the statistic and log pages. 9.1 Device Statistics The statistics page provides statistical information on all the active network devices. The statistics are accumulated until the next system restart or power up.
  • Page 63 Microtronix Access User Guide Transmit Statistics Parameter Description Interface The active network device Bytes The number of bytes 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...

  • Page 64: System Logs

    Microtronix Access User Guide 9.2 System Logs This page provides an interface for viewing kernel ring buffer and system log. 9.2.1 Log View Parameters Log file: The file to view. To view or refresh the display of a log file, select the desired file from the list provided and click the “View / Refresh”...
  • Page 65 Microtronix Access User Guide Date: To restrict the log output to a specific month, day, hour or minute, select the desired value and click “View / Refresh”. If the button labeled “Today” is clicked, then 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.

  • Page 66: Cables And Connectors

    Microtronix Access User Guide 10 Cables and Connectors 10.1 NETWORK - 10/100 Ethernet Port The 10/100 Base-T Ethernet port provides a standard twisted pair interface on an RJ45 socket. Pin # Function Transmit + Transmit - Receive + Receive - 10.1.1 Ethernet Cables...

  • Page 67: Wan Port - Synchronous Operation

    Microtronix Access User Guide 10.2 WAN Port – Synchronous Operation The WAN port provides a choice of RS232 (V.24), RS530, RS530A, RS449, X.21, or V.35 signals in a DB25F connector with standard RS530 DCE pin configuration. When configured for synchronous or X.25 operation, the device name is hdlc0 (WAN port 0), and hdlc1 (WAN port 1) on the 4002-Snn model.

  • Page 68: Connecting To A Dte Device

    Microtronix Access User Guide 10.2.1 Connecting to a DTE Device The primary WAN port is configured as a DCE, so can normally connect to a DTE device using a straight through cable. The port is configured to provide DCE clock. The transmit clock (pins 15/12) and the receive clock (pins 17/9) are sourced from a single baud rate generator, so the attached device may use either signal as a single source for both receive and transmit clock.

  • Page 69: Straight Through Cables

    Microtronix Access User Guide 10.2.1.1 Straight Through Cables The following table shows the pin configurations and connector types for each interface type. RS530 RS232 V.35 X.21 RS449 DB25M DB25F DB25F M34F DB15F DB37F 19,37 Part Number Description 811-SC6MF DB25M-DB25F, RS232/V.24 straight through cable, 6 ft...

  • Page 70: Connecting To A Dce Device

    Microtronix Access User Guide 10.2.2 Connecting to a DCE Device Because the port is configured as a DCE, a crossover or tail circuit cable must be used to connect to another DCE device (for example, a modem), so that the WAN port emulates a DTE.
  • Page 71 Microtronix Access User Guide Part Number Description W4025-RS530-DTE-001 DB25M-DB25M, RS530 crossover cable, 1 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...

  • Page 72: Tail Circuit Cables

    Microtronix Access User Guide 10.2.2.2 Tail Circuit Cables If the port is configured to connect to another DCE using a tail circuit cable (Clock source = TxFromRx), then a baud rate is chosen and the internal baud rate generator is used to source the output RxC clock.
  • Page 73 Microtronix Access User Guide Pin # Direction Signal Name output RxC A output RxC B input TxC A input TxC B...

  • Page 74: Wan Port - Asynchronous / Serial Operation

    Microtronix Access User Guide 10.3 WAN Port – Asynchronous / Serial Operation The WAN port provides an RS232 (V.24) interface in a DB25F connector with standard DCE pin configuration. When configured for asynchronous / serial operation, the device names are ttyS0 (WAN port 0), and ttyS1 (WAN port 1) on the 4002-Snn model.

  • Page 75: Connecting To A Dce Device

    Microtronix Access User Guide DB25M DB25F DB25M DB9F The following cables are used to connect to DTE devices. Usually a DTE device has a male connector, but some have a female connector requiring a straight through gender changer. Connecting to a DB9M PC COM port requires a 9-pin adapter.

  • Page 76: Usb Host Port

    Microtronix Access User Guide Part Number Description W4025-V24-DTE DB25M-DB25M, RS232/V.24 crossover cable 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 crossover adapter cable, 1 ft 10.4 USB Host Port The USB host port provides USB 1.1 in a type A connector.

  • Page 77: Conversion And Encapsulations

    Microtronix Access User Guide 11 Conversion and Encapsulations When converting from X.25 to TCP, a fundamental difference in the way application data is transferred needs to be taken into consideration and accounted for. X.25 is message oriented, and TCP is byte- stream oriented.

  • Page 78: Mbit

    Microtronix Access User Guide The TCP application scans received message content to determine boundaries, and application ● messages contain such boundary indicators. - OR – The X.25 application does not send messages larger than the TCP maximum segment size, and the TCP application reads messages in a single TCP socket read.

  • Page 79: Rfc1006

    Microtronix Access User Guide Payload length Payload Application message 11.4 RFC1006 This method guarantees message boundaries in exactly the same way as the MBIT method described above. Only the message header differs in length and value. The RFC1006 header consists of 4 bytes consisting of 2 fixed-value bytes (for identity and recognition) followed by the length of the entire message, payload and header.

  • Page 80: Line

    Microtronix Access User Guide 11.7 LINE No regard is paid to message boundaries on data passed from the X.25 to TCP direction. Data is forwarded when and as received (RAW byte stream). Data from the TCP to X.25 direction is buffered until a carriage return (CR), linefeed (LF), or EOT character is received, and then forwarded in a single packet sequence.
  • Page 81 Microtronix Access User Guide Ver- Header Payload Flag Payload length sion length 0x54 0x9F 0x08 0x02 0xN0 0x00 Application message...

  • Page 82: Safety And Legal

    Microtronix Access User Guide 12 Safety and Legal 12.1 Regulatory Compliances The Access Gateway, Model 4000-Snn (where nn is any alphanumeric character representing the software variant) has been tested to comply with the standards listed in the table below. Type...

  • Page 83: Important Notice About Cables

    This product requires 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.

  • Page 84: Declaration Of Conformity

    Microtronix Access User Guide DECLARATION OF CONFORMITY (CE Conformity Marking) APPLICATION OF COUNCIL 2004/108/EC - The EMC Directive ● DIRECTIVE(S): 2006/95/EC - The Low Voltage ● Directive GRANTEE: Microtronix Datacom Ltd. ADDRESS: 9-1510 Woodcock Street London, ON, Canada, N6H-5S1 EQUIPMENT TYPE:...

  • Page 85: Warranty And Support

    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 development of new...
  • Page 86 Microtronix Access User Guide Please provide 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...

  • Page 87: Product Ordering Information

    Microtronix Access User Guide 14 Product Ordering Information For information on products, availability, and pricing, please contact: sales@microtronix.com 14.1 Access Gateway Models The Access Gateway comes in 3 basic hardware platforms: 1000, 4002, and 4002 rackmount. The following table shows the available interfaces and connector types of each Access Gateway model.

  • Page 88: X.25/Tcp Gateway

    Microtronix Access User Guide Part Number Description 1000-S00 Access 1000 Serial/TCP Converter, 1 WAN port 4002-S00 Access 4000 Serial/TCP Converter, 2 WAN ports 4002-N00-RM Access 4000 Serial/TCP Converter, 2 WAN ports, 19” 1U rack mount enclosure 4002-N40-RM Access 4000 Serial/TCP Converter, 2 WAN ports, 19” 1U rack mount enclosure, 4 Serial ports 14.1.2 X.25/TCP Gateway...

  • Page 89: Accessories

    Microtronix Access User Guide Part Number Description 1000-S02 Access 1000 MWI Gateway, 1 WAN port 4002-S02 Access 4000 MWI Gateway, 2 WAN ports 4002-N02-RM Access 4000 MWI Gateway, 2 WAN ports, 1U rack mount enclosure 4002-N42-RM Access 4000 MWI Gateway, 2 WAN ports, 1U rack mount enclosure, 4 Serial ports 14.2 Accessories...

  • Page 90: Specifications

    Microtronix Access User Guide 15 Specifications 15.1 Hardware and Interfaces 15.1.1 Enclosure Model 1000-Snn dimensions: 9.2 x 10.8 x 3.2 cm (3.6 x 4.25 x 1.25”) ● Model 1000-Snn weight: 0.22 kg (0.5 lb) ● Model 4002-Snn dimensions: 14.0 x 18.5 x 4.0 cm (5.5 x 7.25 x 1.6 “) ●...

  • Page 91: Software And Protocols

    Microtronix Access User Guide RS232 / EIA-574 ● asynchronous speeds: 300 to 115200 bps ● output modem control signals: DTR, RTS ● input modem control signals: DSR, CD, CTS ● 15.2 Software and Protocols 15.2.1 X.25 Features  Selectable DCE or DTE at layer 2 (LAPB) and layer 3 (packet) ...

  • Page 92: Tcp To X.25 Connection Mapping And Address Translation

    Microtronix Access User Guide  called X.121 address  calling X.121 address  PID or user data Matched connections are routed to a TCP outbound connection with:  destination IP address and TCP port number  via specific local IP interface option ...

  • Page 93: System Services

    Microtronix Access User Guide  clock rates (1200 bps – 10 Mbps)  NRZ or NRZI encoding  CRC-16, CRC-32, or no CRC generation/checking  X.25 network configuration or raw/TCP connection 15.2.7 System Services The Access Gateway can be managed via a number of system services: ...

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Access 4000 series

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