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DSTni-XPress DR User Guide RES ET 10/100BAS E-T SERIAL RS232 RS485 FR AL Revision B 8/03 Part Number 900-288.
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Copyright and Trademark 2003 Lantronix, Inc. All rights reserved. No part of this manual may be reproduced or transm itted in any form for any purpose other than the purchaser's personal use, without the express written permission of Lantronix, Inc.
Disclaimer and Revisions Operation of this equipment in a residential area is likely to cause interference in which case the user, at his or her own expense, will be required to take whatever measures may be required to correct the interference.
Declaration of Conformity (according to ISO/IEC Gu ide 22 and BS 7514) Manufacturer’s Name & Address: Lantronix, 15353 Barr anca Parkway, Irvine, CA 92618 USA Declares that the following product.
Warranty Lantronix warrants each Lantronix product to be free from defects in material and workmanship for a period of ONE YEAR after the date of shipment. During this period, if a customer is unable to resolve a product problem with Lantronix Technical Support, a Return Material Authorization (RMA) will be issued.
Sales Offices The Americas 15353 Barranca Parkw ay Irvine, CA 92618, USA Phone: (949) 453-3 990 Fax: (949) 45 3-3995 sales@lantroni x.com France 2 Rue Hélène Boucher 78280 Guyancourt, Fran ce Tel: +33 (0) 1 39 3 0 41 74 Fax: +33 (0) 1 39 30 41 73 europesud@l antronix.
Contents Contents 1. Introduction ......................................................................................................................1-1 1.1 DSTni-XPress DR ...........................................................................
Contents 2.4.1 Install DeviceIns taller Software ......................................................... 2-6 2.4.2 Assign IP Address and Network Class ............................................... 2-7 2.4.3 Test the IP Address ....................
Contents 3.7.1 TCP Keepalive time in s .................................................................... 3-25 3.7.2 ARP Cache timeout in s .................................................................... 3-25 3.8 Security Settings .............
Contents 7.1 Monitor Mode ..................................................................................................... 7-1 7.1.1 Entering Monitor Mode Via the Serial Port ........................................ 7-1 7.1.2 Entering Monitor Mode Via the Network Port .
Contents 10.5 Broadcast Address ........................................................................................... 10-2 10.6 IP Netmask ...................................................................................................... 10-2 10.
Contents List of Tables Table 1 - Serial RJ45 Pinouts................................................................................................. 1 -6 Table 2 - Serial Screw-Terminal Pinouts .......................................................
Contents Table 39 - Binary to Hexad ecimal Conversion Table ............................................................ 9-1 Table 40 - Connect Mode Options ......................................................................................... 9-2 Table 41 - Connect Mode Options for Modem Em ulation .
Introduction 1 1 . . I I n n t t r r o o d d u u c c t t i i o o n n This manual describes the family of DSTni-XPress DR Device Servers, including the DSTni- XPress DR Device Server and the DSTni-XPress DR-IAP Device S erver with Industrial Automation Protocols.
Introduction Screw Terminals for RS-232 and RS-485/422 RJ45 Ser ial P ort RS-232 & RS-422/485 RS-232 or RS-485 /422 Select Switch Screw Terminals for 9-30VDC or 9-24V AC RJ45 10/ 100BA SE-T Ethern.
Introduction RESET 10/1 00BASE- T SERIAL RS23 2 RS48 5 FR AL PLC's XPress DR-IAP Figure 2 - RS-485 Multidrop with DSTni-XPress DR-IAP Lantronix provides IAP Device Servers specifically designed for different industrial environments.
Introduction 1.2.1 Industrial Automation Protocols IAP Device Servers, adapted to multiple fact ory environments, can unite any mixture of equipment from industrial automation ve ndors into a single reliable pipeline. This new and open infrastructure opens the way for data to fl ow in real time from all your plant devices up to your IT layer.
Introduction 1.3.1 Packing Algorithm The two available packet algorithms (which de fine how and when packets are sent to the network) are software selectable.
Introduction 1.5 RJ-45 Serial Connector The serial RJ-45 serial connector supports up to 115200 bits per se cond and has the following signals. Table 1 - Serial RJ45 Pinouts Pin Direction Name Functio.
Introduction 1.6 Screw-Terminal Serial Connectors Table 2 - Serial Screw-Terminal Pinouts Pin Direction Name Function 1 To XPress DR RXD or RXA RS-232: RXD (Received Data) RS-422/485:RXA (Received Dat.
Introduction 1.7 RJ-45 Ethernet Interface DSTni-XPress DR supports 10/100Mbit Ethe rnet through its RJ-45 (10BaseT/100BaseTX) connector. Table 3 - Ethernet Interface Signals Signal Name DIR PIN Primar.
Introduction 1.8 Serial Interface Connections The serial device can be RS-232 or RS-485/422 and the connections can be screw term inals or RJ-45 connector.
Introduction 1.8.2 9-Pin RS-232 to Se rial Screw Terminals This connection assumes you are connecting a typical PC (COM1) to the DSTni-XPress DR through the serial screw terminals.
Introduction 1.9 Front Panel Description The following figure illustrates the screw bloc k connector pinouts and other components of the DSTni-XPress DR.
Introduction Table 4 - Front Panel Components Item Component Name Purpose 1 Screw terminal RXD or RXA RS-232: RXD (Received Data) RS-422/485:RXA (Received Data -) 2 Screw terminal CTS or RXB RS-232: C.
Introduction 1.10 LEDs The device contains the following LEDs: • Two Green (R for ready, L for link) • Three Yellow (A for active, serial transmit, and serial receive) • One Red (F for fault) RE.
Introduction 1.11 Dimensions The DSTni-XPress DR dimensions are shown in the following drawing. 95MM (3.7 in) 35MM (1.4 in) 60MM (2.4 in) RESET 10/100BASE-T SER IAL RS232 RS485 FR AL 1.12 Product Information Label The product information label contains important information about your specific unit.
Introduction 1.13 Power Requirements The DSTni-XPress DR is normally powered by the same 12Vor 24VDC supply that powers other devices in your panel. Many AC-powered industrial controllers also supply 24VDC for use by field devices.
Introduction 1.15 RS-232/RS-485 Switch Set this switch for RS-232 (Up) or RS-485 (Down). RESET 10/100BASE-T SERIAL RS232 RS485 FR AL RS232 RS485 Note: The serial port RS232/RS485 switch is a hardw are function. Do not change the switch while the device is operating.
Introduction 1.16 Technical Specifications Table 7 - Technical Specs Category Description CPU, Memory DSTni-LX 48MHz clock, 2 56KB RAM Flash, EEPROM 512kByte Flash, 1024Byte EEPROM Serial Interface RJ.
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Getting Started 2 2 . . G G e e t t t t i i n n g g S S t t a a r r t t e e d d This section describes all the procedures for configuring your unit. For a short version, see the Quick Start Guide. Go to the Lantronix web site for the latest firmware and release notes.
Getting Started 2.1 Addresses and Port Number 2.1.1 Ethernet (MAC) Address The Ethernet address is also referred to as the hardware address or the MAC address. The first three bytes of the Ethernet Address are fi xed and read 00-20-4A, identifying the unit as a Lantronix product.
Getting Started 2.2 Physically Connecting the Unit The following diagram shows a typical hardwa re configuration for the DSTni-XPress DR. Use one of the cables described in Serial Interface Connections on page 1-9 to connect a PC COM port to the DSTni-XPress DR.
Getting Started 2.3 Methods of Assigning the IP Address The unit's IP address must be configured before a network connection is available. You have the following options for assigning an IP to your unit: Method Description DHCP A DHCP server automatica lly assigns the IP address and network settings.
Getting Started 2.3.1 DHCP The unit ships with a default IP address of 0.0.0.0, which automatically enables DHCP. Provided a DHCP server exists on the network, it will assign the unit an IP address, gateway address, and subnet mask when the unit boots up.
Getting Started 2.4 DeviceInstaller You can manually assign the IP address using De viceInstaller software, which is found on the product CD. If you want to use a serial connection instead of an Ethernet connection to configure the device, go to Serial Port Login on page 2-13 .
Getting Started 2.4.2 Assign IP Addr ess and Network Class Click the Start button on the Task Bar and select Programs Device Installer Device Installer . The Device Installer window displays. Figure 7 - DeviceInstaller Window 1. Click the IP icon .
Getting Started 3. In the Enter IP Address to assign field, enter the unit’s IP address in XXX.XXX.XXX.XXX format. 4. In the PC Network Class section, select the class (subnet mask). (Most users se lect Class C). 5. Click the Set IP Address button. (IP is assigned, pinged, and tested) 6.
Getting Started 2.4.4 Add the Unit to the Manage List Now add the unit to the list of similar Lantronix devic es on the network so that you can manage and configure it. 1. Click the Search the network for devices icon. The Search Network window displays.
Getting Started 6. Click the Back button to return to the DeviceInstaller window. The DeviceInstaller window now lists all of the devices in the group, including the unit you are setting up. The hardware address and firmware release number for the unit display.
Getting Started 2.4.5 Opening a Conf iguration Window 1. Click the Manage icon . The Device Management window displa ys. Figure 12 - Device Management Window 2. Do one of the following: Note: To assign Expert settings and Security se ttings, you must use the Setup Mode window in a Telnet session.
Getting Started 2.5 ARP and Telnet The unit’s IP address must be configured before a network connection is available. You are able to ARP an address into a CoBox/UDS device even if there is already an address in the unit.
Getting Started 2.6 Serial Port Login If you want to initially configure the unit through a serial connection, follow these steps: 1. Connect a console terminal or PC runni ng a term inal emulation program to your unit's serial port. The default serial port settings are 9600 baud, 8 bits, no parity, 1 stop bit, no flow control.
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Configure 3 3 . . C C o o n n f f i i g g u u r r i i n n g g t t h h e e U U n n i i t t You must configure the unit so that it can co mmunicate on a network with your serial device. For example, you must set the way the unit will respond to serial and network traffic, how it will handle serial packets, and when to start or close a connection.
Configure 3.2 Using DeviceInstaller DeviceInstaller is a powerful software utility for configuring device servers from a network connection. This section uses the utility to demonstrate the various methods of configuring a device. The Device Management window is a common page for gaining access to different menus.
Configure Go to Using a Telnet Connection on page 3-10 for a summary of the menu selections. 7. To Get device configuration information see Get Configuration on page 3-27 .
Configure 3.3 Web Manager Page Note: The DSTni-XPress DR-IAP may not have a we b page or may use a different format web page. You can start a web browser for configura tion by opening your JAVA enabled web browser and entering the IP address or by clicking the Web Configuration button on the Device Management window.
Configure 3.3.1 Unit Configuration Click the Unit Configuration button to display the following dialo g box. This page contains the Server Configuration and the Port Confi guration settings. These are static settings read from the device. Note: The following screen shots represent the web page shown when the device is loaded with cbxw31.
Configure 3.3.2 Server Properties You can change the server properties by editing any of the fields. Lingering over one of the fields will display operator messages. Changing the IP address will require you to enter the new IP address in the browser to reload the page.
Configure 3.3.3 Port Properties Serial Protocol: RS232, RS422/485 4-wire, RS485 2-wire Speed: 1200, 2400, 4800, 9600, 19200, 38400 , 57600, 115200 Character Size: 8, 7 Parity: None, Even, Odd Stop Bit.
Configure Remote IP Address: (user selectable) Remote Port: (user selectable) Local Port: 10001 (default 10001, user selectable) On Active Connection: Enable, Disable On Passive Connection: Enable, Di.
Configure Disconnect Mode: with DTR Drop, Ignore DTR Check for CTRL-D to Disconnect: Enable, Disable Port Password: Enable, Disable Telnet Mode: Enable, Disable Inactivity Timeout: Enable, Disable Inactivity Timer: (User Selectable) Port Password: (User Selectable.
Configure 3.4 Configuring via the Setup Mode Window 3.4.1 Using a Telnet Connection To configure the unit over the network, establish a Telnet connection to port 999 9. Note: If you use the Telnet to Device icon on the Device Installer Device Management window OR a serial port login to establish the connection, skip steps 1and 2.
Configure *** basic parameters Hardware: Ethernet TPI IP addr – 0.0.0.0/DHCP/BOOTP/AutoIP, no gateway set DHCP device name : not set ***************** Security ***************** SNMP is enabled SNMP.
Configure 3.4.2 Using the Serial Port If you want to initially configure the unit through a serial connection, follow these steps: 1. Connect a console terminal or PC runni ng a term inal emulation program to your unit's serial port. The default serial port settings are 9600 baud, 8 bits, no parity, 1 stop bit, no flow control.
Configure The unit prompts for the num ber of host bits to be entered, then calculates the netmask, which is displayed in standard decima l-dot notation when the saved parameters are displayed (for example, 255.255.255.0). Table 8 - Standard IP Network Netmasks Network Class Host Bits Netmask A 24 255.
Configure 3.5.5 DHCP Naming There are 3 methods for assigning DHCP names to these products. 1) Default DHCP name. If you do not c hange the DHCP name, and you are using an IP of 0.0.0.0, then the DHCP name will default to CXXXXXX (XXXXXX is the last 6 digits of the MAC address shown on the label on the bottom /side of the unit).
Configure 3.6 Channel 1 Configuration (Serial Port Parameters) Using this option, define how the seria l port will respond to network and serial communications . Baudrate (9600) I/F Mode (4C) Flow (00) Port No (10001) ConnectMode (C0) Remote IP Address : (000).
Configure The following table demonstrates how to build some common Interface Mode settings: Table 11 - Common Interface Mode Settings Common I/F Mode Setting Binary Hex RS-232C, 8-bit, No Parity, 1 s.
Configure 3.6.4 Port Number The setting represents the source port number in TC P connections, and is the number used to identify the channel for remote initiating connections.
Configure 3.6.5 Connect Mode Connect Mode defines how the unit makes a connection, and how it reacts to incoming connections over the network. Enter Connect Mode options in hexadecima l notation. Note: See Table 39 - Binary to Hexadecimal Conversion Table.
Configure Table 14 - Manual Connection Address Example Command String Result if remote IP is 129.1.2.3 and remote port is 1234 C121.2.4.5/1 Complete override; connecti on is started with host 121.2.4.5, port 1 C5 Connect to 129.1.2.5, port 1234 C28.10/12 Connect to 129.
Configure Table 15 - Modem Mode Commands Modem Mode Command Function ATDTx.x.x.x,pppp or ATDTx.x.x.x/pppp Makes a connection to an IP addre ss (x.x.x.x) and a remote port number (pppp). ATDTx.x.x.x Makes a connection to an IP addre ss (x.x.x.x) and the remote port number defined within the unit.
Configure 3.6.6 Remote IP Address This is the destination IP address used with an outgoing connection. 3.6.7 Remote Port The remote TCP port number must be set for the unit to make outgoing connections. This parameter defines the port num ber on the target host to which a connection is attempted.
Configure 3.6.9 Flush Mode (Buffer Flushing) Using this parameter, you can control line handling and network bu ffers with connection startup and disconnect. You can also select between two different packing algorithms. Note: See Table 39 - Binary to Hexadecimal Conversion Table.
Configure 3.6.10 Pack Control Two firmware-selectable packing algorithms defi ne how and when packets are sent to the network. The standard algorithm is optimized for applications in which the unit i s used in a local environment, allowing for very small de lays for single characters while keeping the packet count low.
Configure Send Characters: If 2-Byte Send Character Sequence is enabled, the unit interprets the sendchars as a 2-byte sequence; if not set , they are interpreted independently.
Configure 3.7 Expert Settings These parameters should only be changed if you are an expert and definitely know the consequences the changes might have. TCP Keepalive time in s (1s – 65s; 0s=disable): (45) ARP Cache timeout in s (1s – 600s) : (600) ? 3.
Configure community information from the unit. The name is a string of 1 to 13 characters plus a null- terminator (14 bytes total). The default setting is public . 3.8.3 Disable Telnet Setup This setting defaults to the N (No) option. The Y (Yes) option disables access to this Configuration Menu by Telnet (port 9999).
Configure 3.9 Factory Defaults Select 7 to reset the unit’s Channel 1 and Enhanced Security to the factory default settings. The server configurations (IP address information) remain unchanged. 3.10 Exit Configuration Mode Select 8 to exit the configuration mode without saving any changes or rebooting.
Configure 3.12 Set Configuration Device configuration information can be saved in a file and later used to set the configuration of one or several devices. To set the configura tion of a device from a saved file, click the Set Configuration button on the Device Managem e nt window.
Firmware 4 4 . . U U p p d d a a t t i i n n g g P P r r o o t t o o c c o o l l ( ( F F i i r r m m w w a a r r e e ) ) 4.1 Protocol Firmware The DSTni-XPress DR-IAP was designed to allow loading of vendor specific protocol firmware. This firmware takes the place of the Standard Tunnel Protocol.
Firmware 4.2.1 Via DeviceInstaller After downloading the firmware to your computer , or locating the file on your software CD, you can use DeviceInstaller to install it. 1. Download the updated firmware files from www.lantronix.com or ftp.lantronix.com and store them in a subfolder on your computer.
Firmware 3. Click the Search the network for devices icon . The Search Network window displays. Figure 17 - Search Network Window 4. Select a PC Network Class . 5. Click the Start Search button. A list of all active units on the local network displays.
Firmware 9. Select the desired unit and click the Upgrade Firmware file (.ROM) icon . The Upgrade Firmware window displays. Note: For Device Installer v2.0, the ProductI nfobase.txt file must have the following line added: “DA”, IAP-Dlx”. The file is located in Program FilesDeviceInstallerFirmware.
Firmware 4.2.2 Via TFTP To download new firmware from a computer: 1. Use a TFTP client to send a binary file to the unit (*.ROM to upgra de the unit 's internal operational code and *.COB to upgrad e its internal Web interface). Note: TFTP requires the .
Firmware 4.2.4 Via the Serial Port The following procedure is for using the HyperT erminal software application. In some cases, the HEX format file is available on the software CD and on the Web site. Before you can load firmware through the seria l port you need to convert the ROM code to HEX format.
Comm Port Redirector 5 5 . . C C o o m m m m P P o o r r t t R R e e d d i i r r e e c c t t o o r r 5.1 Overview The Com Port Redirector allows any PC running Windows to use ports on a net work server as if they were connected directly to the PC.
Comm Port Redirector 5.2.1 Install Comm Port Redirector 1. Insert the product CD into your CD-ROM drive. The CD will automatically start and display the main window. If the CD does not launch automatically: a) Click the Start button on the Task Bar and select Run.
Comm Port Redirector 5.3 Using Redirector When the redirector is properly configured , starting your communications application will cause the redirector to open a connection to the server. As soon as the application accesses the virtual com port, a connection will be formed.
Comm Port Redirector 5.3.1 Port Setup Click on " Com Setup " from the main window to set up which ports will be redirected. The Redirector can support up to 4 ports.
Comm Port Redirector 5.3.3 IP Servi ce Configuration To redirect over IP, select Add IP from the main window. The IP Service dialog box appears. In the "Host Name" field enter the IP hostname or IP address of the server you are connecting to.
Comm Port Redirector 5.3.5 Port Settings If auto reconnect is enabled, the redirector w ill try to reestablish the network connection if the connection goes down.(Cant find this option) If Timeout Reconnect is enabled, the connection will be reestablished if the connection times out (see TCP Keepalive).
Comm Port Redirector On the server, configure the connection for a ra w TCP connection to the port that is specified in the Service Setup screen. See the documentation or tech tip for your server to find out how to set up an outbound raw TCP connect. 5.
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Troubleshooting 6 6 . . T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g 6.1 Technical Support This chapter discusses how you can diagnose and fi x errors quickly without having to contact a dealer or Lantronix. It helps to connect a terminal to the serial port while diagnosing an error to view summary messages that may be displayed.
Troubleshooting When you report a problem, please provide the following information: • Your name, and your company na me, address, and phone num ber • Lantronix model number • Lantronix serial n.
Troubleshooting Table 20 - Problems and Error Messages Problem/Message Reason Solution When you issue the AR P –S command in Windows, “The ARP entry addition failed: 5" message displays. Your currently logged-in user does not have the correct rights to use this command on this PC.
Troubleshooting Problem/Message Reason Solution No LEDs are lit. The unit or its power supply is damaged. Change power supplies. The device server will not power up properly, and the LEDs are flashing. Various Consult the LEDs section in the Introduction chapter or the Quick Start for the LED flashing sequence patterns.
Troubleshooting Problem/Message Reason Solution The device server appears to be set up correctly, but you are not communicating with your device attached to the device server across the network. If you are sure that the serial port setting is correct, then you may not be connecting to the correct socket of the device server.
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Monitor Mode 7 7 . . M M o o n n i i t t o o r r M M o o d d e e 7.1 Monitor Mode Monitor Mode is a command-line interface used for diagnostic purposes (see Table 21 - Monitor Mode Commands ). There are two ways to enter M onitor Mode: locally via the serial port or remotely via the network.
Monitor Mode Table 21 - Monitor Mode Commands Command Name Function DL Download Download firmware to the Device Server via the serial port in hex format SF x.x.x.x Send Firmware Send firmware to Device Server with IP address x.x.x.x Version Query software header record (16 bytes) of Device Server with IP address x.
UDP 8 8 . . N N e e t t w w o o r r k k C C o o n n f f i i g g u u r r a a t t i i o o n n u u s s i i n n g g U U D D P P 8.1 UDP Datagrams The Device Server can also be configured or queried over the network using UDP datagrams. The Device Server has a UDP listener set fo r port 30718 (77FE Hex).
UDP Byte Command Parameters Notes FC Set IP Address First 8 bytes must be set to the string IP-SETUP (Hex 49 50 2D 53 45 54 55 50). Next 2 bytes have to be set to 00. Next 2 bytes must contain the serial number. Next 4 bytes have to be the new IP address.
UDP 8.2 Configuring Multiple Devices When configuring a number of Device Servers id entically, it is useful to create a template setup record. The setup record can then be sent to the “target” Device Servers from a “master” Device Server via “cut and paste” or UDP (see Network Configuration using UDP on page 8-1 ).
UDP To request the setup record of a properly conf igured Device Server via another Device Server on the network: 1. Make sure that both units are plugged onto the network properl y. 2. Enter Monitor Mode (with network support enabled) on the unit that is not properly configured.
UDP To send a setup record via Monitor Mode: 1. Configure a “master” Device Server with the desired parameters an d place it on the network. 2. Place another Device Server (the “target”) on the network. 3. Enter Monitor Mode (with network support enabled) on the master Device Server (see Monitor Mode on page 7-1 ) 4.
UDP To get and set the node configuration, 120 bytes should be exchanged at once in 32-Byte records. The IP address in the record (bytes 0 to 3) will be ignored (unless the UDP FD command is being used).
UDP 8.3 Setup Records A setup record consists of 120 bytes. They are transmitted at once from and to the node. Unused bytes should be initialized as 00. Table 25 - Setup Record Construction defines the structure of a setup record: Table 25 - Setup Record Construction Byte(s) Function 00-03 IP addre ss of the unit (x.
UDP 8.3.1 Channel Parameters Use the following table to select setup record parameters for Channels 1: Table 26 - Channel Parameters Byte(s) (Channel 1) Function 16 Interface Mode (see Table 27 - Inte.
UDP 8.3.2 Interface Mode The Interface (I/F) Mode is a bit-coded byte entered in hexadecimal notation. Use the following table to select Interface Mode settings: Table 27 - Interface Mode Options I/F .
UDP 8.3.3 Baud Rate The Device Server and attached serial device mu st agree on a speed or baud rate to use for the serial connection. Use the following table to select Baud Rate settings: Table 29 - Baud Rate Settings Speed (bps) Hex 38400 00 19200 01 9600 02 4800 03 2400 04 1200 05 600 06 300 07 115200 08 57600 09 8.
UDP 8.3.5 Connect Mode Connect Mode defines how the Device Server makes a connection, and how it reacts to incoming connections over the network. Use the following table to select Connect Mode options.
UDP 8.3.6 Disconnect Mode In Disconnect Mode, DTR drop either drops the connection or is ign ored. Use the following table to select Disconnect Mode Options: Table 32 - Disconnect Mode Options Disconn.
UDP 8.3.7 Flush Mode (Buffer Flushing) Using this parameter, you can control line handling and network bu ffers with connection startup and disconnect.
UDP 8.4 IP Addresses Each TCP/IP node on a network host has a unique IP address. This address provides the information needed to forward packets on the local network and across m ultiple networks if necessary. IP addresses are specified as x.x.x.x , where each x is a number from 1 to 254; for example, 192.
UDP A router is required between all networks a nd all sub-networks. Generally, hosts can send packets directly only to hosts on their ow n s ub-network. All packets destined for other subnets are sent to a router on the local network. 8.4.3 Host Portion The host portion of the IP address is a unique number assigned to identify the host.
UDP Table 38 - Netmask Examples Netmask Host Bits 255.255.255.252 2 255.255.255.248 3 255.255.255.240 4 255.255.255.224 5 255.255.255.192 6 255.255.255.128 7 255.255.255.0 8 255.255.254.0 9 255.255.252.0 10 255.255.248.0 11 ... ... 255.128.0.0 23 255.
Binary to Hex 9 9 . . B B i i n n a a r r y y t t o o H H e e x x C C o o n n v v e e r r s s i i o o n n Many of the Device Server’s configuration procedures require you to assemble a series of options (represented as bits) into a complete command (represented as a byte).
Binary to Hex 9.1 Connect Mode Options Note: Character response codes are C=c onnect, D=disconnect, N=unreachable Table 40 - Connect Mode Options Accept Incoming Connections Serial Response Upon Conne.
Binary to Hex Accept Incoming Connections Serial Response Upon Connection Active Connection Startup Hostlist Hex Unconditionally None (quiet) No active startup C0 Unconditionally None (quiet) Any char.
Binary to Hex Accept Incoming Connections Serial Response Upon Connection Active Connection Startup Hostlist Hex Unconditionally None (quiet) No active startup Hostlist N/A Unconditionally None (quiet.
Binary to Hex 9.2 Disconnect Mode Options Table 42 - Disconnect Mode Options Disconnect with DTR Drop (Note) Telnet Mode and Terminal Type Setup Channel (port) Password Hard Disconnect State LED Off w.
Binary to Hex Disconnect with DTR Drop (Note) Telnet Mode and Terminal Type Setup Channel (port) Password Hard Disconnect State LED Off wi th Connection Disconnect with EOT (^D) Hex Disable 8 Enable D.
Binary to Hex 9.3 Flush Mode (Buffer Flushing) Options Table 43 - Flush Mode Options Serial to Network Clear input buffer upon: Network to Serial Clear output buffer upon: Alternate Packing Algorithm .
Binary to Hex Serial to Network Network to Serial Alternate Packing Hex Clear input buffer upon: Clear output buffer upon: Algorithm Active connection Enable 81 Active connection Active connection Ena.
Binary to Hex Serial to Network Network to Serial Alternate Packing Hex Clear input buffer upon: Clear output buffer upon: Algorithm Active connection Passive connection 3 Active connection Active con.
Binary to Hex Serial to Network Network to Serial Alternate Packing Hex Clear input buffer upon: Clear output buffer upon: Algorithm Disconnect 4 Active connection Disconnect 14 Passive connection Dis.
Binary to Hex Serial to Network Network to Serial Alternate Packing Hex Clear input buffer upon: Clear output buffer upon: Algorithm Active connection Active connection Disconnect Enable 95 Passive co.
Binary to Hex Serial to Network Network to Serial Alternate Packing Hex Clear input buffer upon: Clear output buffer upon: Algorithm Passive connection Disconnect Enable 86 Active connection Passive c.
Binary to Hex Serial to Network Network to Serial Alternate Packing Hex Clear input buffer upon: Clear output buffer upon: Algorithm Passive connection Active connection Passive connection Disconnect .
Binary to Hex 9.4 Interface Mode Options Table 44 - Interface Mode Options Interface Bits Parity Stop Bits Hex RS-232C 7 No 1 48 RS-232C 7 No 2 C8 RS-232C 7 Even 1 78 RS-232C 7 Even 2 F8 RS-232C 7 Odd.
Binary to Hex 9.5 Pack Control Options Table 45 - Pack Control Options Sendcharacter Defined by a: Trailing Characters Idle Time Force Transmit: Send Immediately after Sendcharacter Hex 1-Byte Sequenc.
Binary to Hex Sendcharacter Defined by a: Trailing Characters Idle Time Force Transmit: Send Immediately after Sendcharacter Hex 2-Byte Sequence No 12ms Yes 30 2-Byte Sequence No 52ms Yes 31 2-Byte Se.
IP Addresses 1 1 0 0 . . I I P P A A d d d d r r e e s s s s e e s s An IP address is a 32-bit value, divided into four octets of eight bits each. The standard representation is four decimal numbers (in the range of 0..255) divided by dots. 192.2.1.123 This is called decimal-dot notation.
IP Addresses 10.4 Network Address The host address with all host bits set to 0 is used to address the network as a whole (in routing entries, for example). 10.5 Broadcast Address The address with the host part bits set to 1 is th e broadcast address, meaning for every station.
IP Addresses 10.7 Private IP Networks and the Internet If your network is not connected to the Internet, and there are no plans to make such a connection, you may use any IP address you wish.
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Glossary of Terms 1 1 1 1 . . G G l l o o s s s s a a r r y y AutoIP: Address space: A linear array of locations that a threa d can access. Sim ple processors have only one, a nd these processors are refe rred to as `linear' addressi ng.
Glossary of Terms Baseband LAN: A LAN that uses a single carrier freque ncy over a single c hannel. Ethe rnet, Toke n Ring and A rcnet LANs use baseband transm ission. Baud: Unit of signal frequency in signals per second. Not synonymous with bits per second since signals can represent more than one bit.
Glossary of Terms Broadband: A data transmission technique allowing multiple high -speed signals to share the bandwidth of a sing le cable via f requency di vision m ultiplexing . Broadband Network: A network that uses multiple carrier frequencies to transmit multiplexed signals on a single cable.
Glossary of Terms Communication Server: A dedicated, standalone system that manages communications activities for other computers. Cut-through: Technique for examining incom ing packets whe reby an Ethernet switch looks only at the first few bytes of a packet before forwarding or filtering it.
Glossary of Terms Dialback: A security feat ure that ensu res people d o not log into modem s that they shoul dn't ha ve access to. Whe n a connection is requested, the system checks the user name for validity, then "dials back" the number associated with that user name.
Glossary of Terms Filtering: Process whereby an Ethernet switch or bridge reads the contents of a packet and the n finds that the packet does not need to be forwarded, drops it. a filtering rate is the rate at which a device can receive packets and dr op them wit hout any loss o f incoming packets or del ay in proces sing.
Glossary of Terms Heartbeat: Host Table: Ethernet defined SQE signal quality test function. Hertz (Hz): A frequency unit equal to o ne cycle per sec ond. Host: Generally a no de on a netw ork that can be used in teractivel y, i.e., logged into, like a computer.
Glossary of Terms IPX: Internetwork Packet eXchange, a NetWare prot ocol sim ilar t o IP (Internet Protoc ol). ISDN: (Integrated Services Digital Networ k): All digital service provided b y telephone companies. Provides 144K bps o ver a single p hone l ine (divided i n two 64K bps "B" cha nnels and one 16K bp s "D" channel).
Glossary of Terms sending small network packets at reg ular intervals. LA T will not work on a wide area network scale, as TCP/IP does. Latency: The delay incurred by a switching or bridging devi ce between receiving th e frame and forwarding the frame.
Glossary of Terms MJ: Modular Jack. A jack used for connecting voice cables to a faceplate, as for a telephone. MMJ: Modified Modular Jack. These are t he 6-pin connect ors used to connect se rial terminal lines to terminal devic es.
Glossary of Terms Name Server: Software that runs on network hosts charged with tran slating (or resolving) text-style names into numeric IP addresses. NetWare: A Novell de veloped Network Operating Sy stem (NOS). Provi des file and printer sha ring am ong networks of Pe rsonal Com puters (PCs).
Glossary of Terms Open System Interconnect (OSI): See "ISO." Packet: A series of bi ts contai ning data and control inform ation, incl uding source and desti nation node addresses, for matted for t ransmission f rom one n ode to anothe r. (Password Aut hentication P rotocol) Aut hentication sc heme for P PP links.
Glossary of Terms Print Server: A dedicated c omputer that manages pri nters and p rint request s from other nodes on t he network . PROM: Programmable ROM, a read-only mem ory whose data content can be altered. Access to networ k resources not l ocated on the sam e physical Ethernet.
Glossary of Terms ROM: Read-Only Memory, a m emory device that retains its information even when power to it is removed. A ROM version of a networ k device does not need to download, since the ROM contains the entire executable code and thus never needs to reload it.
Glossary of Terms Spanning Tree: An algorithm used by b ridges to create a logical topology that connects all netw ork segm ents, and ensures that only on e path exists between any two station s.
Glossary of Terms 10BASE-T: Ethernet running on unsh ielded twisted pair (U TP) cable. Note that 10BASE-T is a point-to-point network m edia, with one e nd of the ca ble typicall y going to a repeater/hub a nd the othe r to the net work device. Terminal Server: A concentrator that facilitates communication between hosts and terminals.
Glossary of Terms Transceiver Cable: Cable that attaches a device either to a st andard or th in coax E thernet s egment. Twisted-Pair Cable: Inexpensive, multiple-conduc tor cable comprised of one or more pairs of 18 to 24 gauge copper strands.
Een belangrijk punt na aankoop van elk apparaat Lantronix XPress-DR-IAP (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Lantronix XPress-DR-IAP heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Lantronix XPress-DR-IAP vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Lantronix XPress-DR-IAP leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Lantronix XPress-DR-IAP krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Lantronix XPress-DR-IAP bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Lantronix XPress-DR-IAP kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Lantronix XPress-DR-IAP . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
