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125

Troubleshooting & Maintenance

________________________________________________________________________________

Figure 49: Server Statistics pop-up Menu.

All of the IOLAN+ statistics screens are now accessible
through this

Statistics pop-up menu. Pressing

in any of

the IOLAN+ statistics screens displays the same pop-up menu.

A summary of each is provided and then the most important
screens are briefly described:

ETH/TTY/
GATEWAY

This is a general overview of Ethernet activity, serial activity
and gateway stats. It shows characters passed and uptime.

IP/ICMP/UDP

This is a comprehensive screen of networking protocol stats
for IP, ICMP and UDP. You can identify bad IP packets
coming in from your network.

TCP

This is a comprehensive screen of TCP protocol stats. You
can identify bad TCP packets coming in from your network.

Содержание IOLAN+

Страница 1: ...IOLAN and IOLAN Communications Servers CHASE IOLAN Rack COMMUNICATIONS SERVER POWER AUI 10BASE2 10BASE T POWER Tx Rx 1 2 3 4 5 6 7 8 C H A S E I O L A N C O M M U N I C A T I O N S S E R V E R AUI POW...

Страница 2: ...Research PLC All other trademarks tradenames and product names mentioned in this manual are acknowledged Chase Research reserves the right to change product specifications without prior notice 1997 1...

Страница 3: ...4 Communicating via a Terminal or PC 13 2 5 The Menu System 14 2 6 Tips 21 3 Terminals on Multi user Systems 25 3 1 Terminal Port Configuration 25 3 2 Host Table Setup 27 3 3 Making a Connection 28 3...

Страница 4: ...8 1 Reverse Telnet Port Configuration 67 8 2 Chase ioland Utility 69 8 3 Tips 73 9 The Menu Interface 75 9 1 Menu Commands 75 9 2 Connections Menu 76 9 3 Port Setup Menu 79 9 4 Administration Menu 89...

Страница 5: ...menu 18 11 Commands pop up menu server confign 19 12 Port Setup Menu 20 13 Port Setup Menu screen 26 14 Host Address Menu Screen 27 15 Open Connection Pop up Menu 28 16 Port Setup Menu for PPP connec...

Страница 6: ...ration menu 102 47 Server Statistics pop up menus 105 48 SNMP Trap Configuration Menu 105 49 Server Statistics pop up Menu 125 50 Server Statistics screen users 126 51 Server Statistics screen framed...

Страница 7: ...ers for branch remote access and Internet access Terminals for multi user Unix systems PCs using terminal emulation or SLIP PPP All types of serial printers Data acquisition equipment manufacturing la...

Страница 8: ...SE T C H A S E IO L A N C O M M U N IC A T IO N S S E R V E R Terminal Terminal Remote PC Remote PC IOLAN IOLAN Printer Modem Modem ISDN TA ISDN TA Terminal CHAS E IOLAN Rack COMMUNICATIONS SERVER PO...

Страница 9: ...de as required Release notes are also available with this unit enclosed or available from our web sites Note IOLAN supports Windows systems including Windows NT Windows 95 98 and Windows 3 x When comp...

Страница 10: ...t set term ansi indicates input to or output from the IOLAN Screens illustrated in this guide may differ from those actually viewed However information contained is valid for both Unix and Windows sys...

Страница 11: ...d in Europe except Germany and East Europe Asia and Africa 1 Have your serial number and problem overview ready then 2 Check with your supplier or distributor then 3 Email support chaser co uk and or...

Страница 12: ...Auto sensing internal power supply 110 250V AC optional 48V DC LEDs for diagnostic testing Self test on power up Rack mount or tabletop design The IOLAN software features include Support for TCP IP p...

Страница 13: ...Interoperability with IP routing through gateway tables Domain Name Server support WINS support for Windows environments Port configuration copy and save functions The IOLAN security features include...

Страница 14: ...dicator 4 Reset switch cover 5 AUI indicator 6 AUI connector 7 10BASE2 indicator 8 10BASE2 connector universal 9 10BASE T indicator 10 10BASE T connector 11 Port activity indicators rack only 1 2 3 4...

Страница 15: ...default Consult your Unix manual on this subject On Windows tftpd is not provided at this time see our FTP site for a shareware tftpd program Note Beta copies of the next firmware release are usually...

Страница 16: ...lectrical Safety Booklet 3 Chase CD and Quick Start Guide 4 4 wall mount brackets for IOLAN or 2 rack mount brackets for IOLAN 5 Test RS 232 loopback connector 6 Test 10BASE T loopback connector green...

Страница 17: ...nector directly to IOLAN If your IOLAN is the termination point for the cable you need to add a terminator Always ensure that each segment of the thin Ethernet cable is at least 0 5m in length The max...

Страница 18: ...OOTP setup is for Unix users only and is included in the Tips section 2 6 Choose the appropriate method for your application 2 3 Communicating via ARP IOLAN supports the Address Resolution Protocol AR...

Страница 19: ...and go straight to section 2 5 The Menu System 2 4 Communicating via a Terminal or PC You can connect to IOLAN using a terminal or PC with a terminal emulation package such as Hyperterm Connect a term...

Страница 20: ...LAN as designated by the local prompt If you would like to continue in CLI mode refer to Appendix A but we recommend the menu system Set the terminal emulation type and begin using the menus The follo...

Страница 21: ...ed to move about in the menus depend on the terminal emulation you are using The arrow keys should all work The TAB key is very important for moving between fields Backspace and DEL should work but de...

Страница 22: ...ministration Menu Select the Admin mode field and press the key Note If you are telneted into IOLAN the telnet rlogin and port options do not appear on the Commands pop up menu Administration Menu The...

Страница 23: ...host Examine modify host table kill Kill TCP connections on serial line line Terminal configuration organised by line port Terminal configuration organised by port quit Return to connections menu reb...

Страница 24: ...______________ Figure 10 Server Configuration menu The important fields that you need to fill in are as follows Name In the example above the communications server name has been set to IOLAN It is a g...

Страница 25: ...it with a new IP address This should be confirmed with the message IP CHANGED PLEASE REBOOT Reboot the communications server to activate the new IP address using the reboot command The IP address and...

Страница 26: ...elnet Telnet Authentication None TERM Debug options No Mode Raw Video pages 0 Map CR to CR LF No Connection None CLI Menu Menu Hex data No Host Reset Term No Secure No Remote Port 0 MOTD No Local Port...

Страница 27: ...ortant section in defining a port If you re ready to install terminals printers and modems proceed to the appropriate section For a good review go to Section 9 The Menu System 2 6 Tips Copy Command IO...

Страница 28: ...etwork ha is the Ethernet address on back of IOLAN hd is the home directory for specifying IOLAN firmware optional bf is the name of IOLAN firmware optional ip is the IP address you want to use Note T...

Страница 29: ...which you wish to store the configuration Set Boot host to the host machine you wish the file to reside within and save these entries Boot host rockvegas or ip address Init file tftp term_serv cfg Log...

Страница 30: ...e subnet mask etc IOLAN will now automatically download this configuration on reboot Remember that whenever you change a setting on the unit it will be overwritten the next time the unit is rebooted u...

Страница 31: ...ons the users need to be direct connected to a specific Unix host so that they see the login prompt automatically This is helpful in securing your system or in environments where the users need to be...

Страница 32: ...e 13 Port Setup Menu screen The following fields are important Access Set this field to Local This tells the terminal server port to listen for data on the RS 232 side Mode With this field set to teln...

Страница 33: ...ly IOLAN can also use the name server utility of your Unix system consult your Unix system manual and section 2 6 Tips The Host Address Menu is accessed from the Administration Menu by selecting the h...

Страница 34: ...IONS MENU Terminal 7 Connection Host 1 FREE Commands 2 FREE Telnet T 3 FREE Rlogin R 4 FREE Port P Admin mode A CLI Lock Logout D ______________________________________________________________________...

Страница 35: ...e Keys section of this port When logging out of your session the connection is automatically closed 3 4 Tips Connecting via fixed ttys IOLAN has the ability to create a fixed tty under Unix This is he...

Страница 36: ...This allows you to customise information being passed to the host For example a user could encode the physical location into this field i e tty16 and then extract that at the host end to determine whi...

Страница 37: ...PPP You can use SLIP and CSLIP in those applications requiring these legacy modes 4 1 Dial in Port Configuration The following is the port configuration for a dial in connection including PPP Adminis...

Страница 38: ...be passed to the host as the TERM variable when a telnet connection is established and the user logs in Flow Ctrl The modem and terminal server port should be configured to use Hardware RTS CTS flow...

Страница 39: ...me Remote port This corresponds to the Login i e rlogin service on the remote host and must be 513 or 23 for Telnet Local port The inetd process running on the terminal server for this port is listeni...

Страница 40: ...configuration string will be sent to the modem after each call keeping the modem in sync with IOLAN 4 4 Client Login When the caller connects you may want to send out a welcome message of some sort se...

Страница 41: ...specify a P S or C in front of the user name you will be authenticated and then connected to the host This will leave you at a shell prompt on the Authentication host A caller will never see IOLAN If...

Страница 42: ...Message of the Day MOTD can be displayed before login This is setup from the Server Configuration menu using MOTD and Boot host fields Gateway notes If you have a router on your local network make su...

Страница 43: ...lidation By setting the authentication hosts network port to 23 or 513 this allows the user ID to be checked against the standard Unix login system see section 5 4 Tips for Windows systems This featur...

Страница 44: ...Menu The following is the host authentication setup via the Access section of the Administration Menu Administrator HOST AUTHENTICATION AND LOGGING REMOTE ADMIN Auth Host 204 17 209 1 Authentication P...

Страница 45: ...Password were valid and the login process was successful Normally you will see the string Last after successfully logging in Failure Indication String The string IOLAN will look for to determine that...

Страница 46: ...s home directory Log Power Up Down IOLAN will log when it is powered up and rebooted Log User Login Logout IOLAN will log when a user logs in and out of a port on IOLAN Log Port Connect Disconnect IO...

Страница 47: ...te dial in users Otherwise you can execute our PERL script during the user s login Under Unix this script is started from the etc profile For Windows NT see the relevant section of the Chase support F...

Страница 48: ...ord that an IOLAN is still active This allows an administrator to gain an accurate record of events See Figure 18 for the Host Authentication And Logging menu via the Access section of the Administrat...

Страница 49: ...file 5 4 Tips Windows notes Authentication of Windows NT requires a telnet daemon Check the Windows section of our FTP site for the latest Windows telnetd software You will need to set up your users o...

Страница 50: ...44 IOLAN User and Administration Guide...

Страница 51: ...ct binary please compile the ioland c source code for your system see your Unix manual 6 1 Configuration The Port Setup Menu should be set up as follows for both simple dial in connections and PPP SLI...

Страница 52: ...6 2 The Host For dial out connections on Unix If you have not already loaded ioland onto your system do so now see Chase CD For more information on ioland see Connecting Other Devices section 8 In it...

Страница 53: ...net remote net addr IOLAN ip addr 2 IOLAN will dial into another piece of hardware log into that hardware and start a PPP session Then the local IOLAN will act as a router and forward all IP traffic...

Страница 54: ...re 22 Remote Access Systems Screen menu The following fields are important Sitename The IP name or IP address of the remote site IOLAN will be calling User name The user name required by the remote sy...

Страница 55: ...outside line would require an entry like 9 4 2145551234 The following characters are ignored when included as part of the number Login script The chat script that will be used to login to the remote...

Страница 56: ...ally use the first available port It is also possible to have these ports do double duty and serve as regular dial in ports for dumb terminal access SLIP or PPP in addition to the dial out capability...

Страница 57: ...blank for directly connected devices Restart timer Amount of time in seconds before IOLAN retransmits PPP options Max Retries Number of option retries before dropping the line Dial Timeout Number of s...

Страница 58: ...52 IOLAN User and Administration Guide...

Страница 59: ...quires a special interface script also found on the Chase CD 7 1 Using ioland We suggest you use the Chase ioland utility on the CD provided The ioland utility can be used for Unix printing only Iolan...

Страница 60: ...You can check on the status of this process by looking at the Netstat screen of the terminal server s Statistics menu or show net from the CLI prompt Mode Set this field to Telnet This puts the port...

Страница 61: ...k Monitor DCD No Dst User Options Access Name LPD_printer Keepalive No Access Remote Terminal type Rlogin Telnet Telnet Authentication None TERM Debug options No Mode Raw Video pages 0 Map CR to CR LF...

Страница 62: ...rt is listening for TCP IP connections on TCP port 515 this is the LPD service number Accessing the Printer The client is the machine that contains the file to be printed and may be running one of a r...

Страница 63: ...e the CR to CR LF mapping option for the port Note There is a maximum limit of 30 LPD connections per server which may be distributed to all of the available LPD ports as required If the maximum is ex...

Страница 64: ...uirements You may also wish to consult your Operating System documentation before attempting to add LPD The Unix host should have a printer database for BSD type systems this will be the file etc prin...

Страница 65: ...ser1 has the contents bin sh lpr PLaser1 This would be sufficient to print a header page and perform form feeds If a specialised filter program is required for something like a plotter then the script...

Страница 66: ...it for one job to complete before spooling the second so all jobs will go to the same queue and print from the same IOLAN port LPD printing from AIX Consult our FTP sites for the latest information LP...

Страница 67: ...nting Port Setup Menu screen The following fields are important Flow ctrl Set your IOLAN port flow control to Both This will invoke both Hardware RTS CTS and XON XOFF flow control on IOLAN Then set yo...

Страница 68: ...orth noting that the RCP will fail if the port or all the ports in the hunt group is in use when the RCP command is attempted If you wish to use RCP as part of a System V print spooler script it is es...

Страница 69: ...hpjet e Edit the interface script and insert the desired server name and port number For example if the name is iceland and the printer is attached to port 8 numbering from 1 to 16 Then the line rcp...

Страница 70: ...into the directory containing the desired text filter program intended for the if field If there is no filter required for this queue then create a dummy filter program which calls the cat command wit...

Страница 71: ...require the line to become usr ucb rcp TMP iceland tty8 f Activate the printer for use That is lpc start IOLAN8 lpc enable IOLAN8 g Set up the IOLAN port for RCP printing See the relevant section in t...

Страница 72: ...66 IOLAN User and Administration Guide...

Страница 73: ...cturing equipment IOLAN accomplishes this by using a reverse telnet connection On Unix you utilise the ioland software supplied on the Chase CD For Windows consult the support section of the web sites...

Страница 74: ...0 MOTD No Local Port 10006 Figure 27 Telnet Port Setup Menu screen The following fields are important Keys Set all your Keys to Access Set this field to Remote This sets the port of the terminal serve...

Страница 75: ...s recommended that the LPD protocol is first assessed as a suitable printing solution before the IOLAN daemon By default the daemon will fork into two processes during the start of a data transfer The...

Страница 76: ...net protocol processing This is useful to ensure that the last data block of a print job has reached IOLAN before closing the TCP connection If the end of print jobs are still being lost despite using...

Страница 77: ...d the hardware emulation if supported This option requires that the pseudo tty architecture is based on the STREAMS I O mechanism The recommended Unix variants for using this option are those based on...

Страница 78: ...s ioland F other options iolan master device slave device e g ioland F bronto ptyp3 ttyp3 k n This option checks if the TCP connection is still alive every n seconds If the test fails the child daemon...

Страница 79: ...ency a minimal length should be used so long as the string is not accidentally duplicated by the real data This option requires you to also use the T option c n Network connection timeout option The d...

Страница 80: ...ssibility of data being received for it On some systems such as SunOS XENIX and AIX a break received from the peripheral is not passed to the client properly If the client wishes to make the break act...

Страница 81: ...y bring up the following exit menu Commands Save Exit Quit Exit Values Cancel Figure 28 Commands Exit pop up menu The following describes these options Command Descriptions Save and Exit All changes t...

Страница 82: ...allows the user to jump from one menu to another avoiding the normal path Most of the commonly used options available from the Connections Menu can be accessed via fast keys These are listed in the f...

Страница 83: ...connection and Resume connection signifying there is a session present The FREE message would be replaced by the name or IP address of the connected host The following describes the options that can...

Страница 84: ...this chapter CLI Selecting this function changes the port back into command line or CLI mode To get back to the menus use set menu from the CLI prompt More information on CLI is in Command Line Interf...

Страница 85: ...in Telnet Telnet Authentication None TERM Debug options No Mode Raw Video pages 0 Map CR to CR LF No Connection None CLI Menu Menu Hex data No Host Reset Term No Secure No Remote Port 0 MOTD No Local...

Страница 86: ...ng Local The IOLAN deals with the break locally If the user is in a session the break key has the same effect as a hot key i e it returns the user to the Connections Menu Remote When a break key is pr...

Страница 87: ...that is attached to this port The possible values are undef undefined ansi dumb vt100 vt320 wyse50 wyse60 tvi925 ibm3151 vt320 falco hp700 Press the space bar to toggle through these values If none o...

Страница 88: ...ous flow control options used by IOLAN This section is always used The parameters are Flow Ctrl This field defines which method of flow control to be used by this port either XON XOFF HARDWARE BOTH no...

Страница 89: ...should send keepalive messages to the host machines it is connected to Default is No Rlogin Telnet This field specifies which of the two options should be listed first in the Commands menu Default is...

Страница 90: ...ether a message of the day is to be displayed to the user before logging on to the port The actual text of the message is a file on the boot host see Server Configuration Menu Keys This section define...

Страница 91: ...his key allows users to switch directly from one session to another without going back through the server menus This key should be followed immediately by the session number the user wishes to go to F...

Страница 92: ...e used for printers dial out modems and reverse telnet connections Dynamic This setting should be used for dial in dial out modems This setting is a combination of the local and remote settings The co...

Страница 93: ...rst then Host Mode This field defines whether the connection is raw or telnet A raw connection is a straight TCP connection Setting the mode to telnet causes it to do the telnet negotiations with a ne...

Страница 94: ...tion to the indicated host and can not hot key back to the IOLAN menus The Host Remote and Mode fields must be set properly Initiated This setting is similar to the Dedicated connection but requires t...

Страница 95: ...Server parameters stats Examine Server statistics ________________________________________________________________________________ Figure 31 Administration Menu The parameters are as follows gateway...

Страница 96: ...reboot Reboot Server server Examine modify Server parameters stats Examine Server statistics trap Examine modify SNMP Trap parameters __________________________________________________________________...

Страница 97: ...inal configuration organise port Terminal configuration organised by port quit Return to connections menu reboot Reboot Server server Examine modify Server parameters stats Examine Server statistics t...

Страница 98: ...ut is not available IOLAN will return an ICMP host unreachable message ICMP type 3 code 1 Service type This specifies which protocol will be used when the link is established to the remote site Choice...

Страница 99: ...________________________________________________________ Figure 35 Remote Site Devices Screen The parameters are as follows Type This is the name of the modem assigned to a specific port It is referen...

Страница 100: ...te site before giving up Inactivity Number of minutes of inactivity before a PPP SLIP connection is broken Authentication Logging This section outlines the authentication and logging parameters of IOL...

Страница 101: ...he string returned by the authentication host on successfully logging in Default is last Failure Indication String The string returned by the authentication host on a failed login attempt Default is o...

Страница 102: ...t Disconnect Record users logging into authentication host on the log file Also records failed login attempts Log User Service Start Stop Logs starts and stops of PPP or SLIP 9 6 Change Password Optio...

Страница 103: ...enu The parameters are as follows Destination This field specifies either the destination network or host address Gateway This field defines the gateway I P router host address The gateway host must b...

Страница 104: ...or menus Administrator HOST ADDRESS MENU REMOTE ADMIN Entry Host name IP Address 1 mark 204 17 209 70 2 astro 204 17 209 6 3 router 204 17 209 254 4 chase 204 17 209 1 and so on ______________________...

Страница 105: ...configuration organised by line port Flow ctrl configuration organised by port quit Hardware connections menu reboot Network rver server Options odify Server parameters stats Terminal erver statistic...

Страница 106: ...trol fields as described in The Port Menu Hardware Section above Administrator HARDWARE MENU REMOTE ADMIN TTY Speed Parity Bit Stop Break Monitor DSR Monitor DCD 1 57600 None 8 1 Disabled No No 2 1152...

Страница 107: ...n above Administrator TERMINAL MENU REMOTE ADMIN TTY Name Terminal TERM Pages CLI Menu Reset Term 1 ansi 4 Menu No 2 alan ansi 0 CLI No Figure 45 Lines Terminal Menu 9 11 Port Menu This section is cov...

Страница 108: ...m Name server astro NS Port 53 WINS server fred ________________________________________________________________________________ Figure 46 Server Configuration menu The menu as displayed can be divide...

Страница 109: ...he bottom of the IOLAN menus Debug mode This field is for Technical Support use only General Administration Lock This field determines whether the Lock feature is available to all users If this field...

Страница 110: ...ield is present the unit reads its configuration from this file whenever it is rebooted Boot host required MOTD file This field should be filled in with the pathname of a file on the boot host contain...

Страница 111: ...ec 1 Gateway Malformed 0 Lost 0 OverRuns Slip Buffer failures 0 Clear counters Restore counters ROUTING STATISTICS Port Status bad redirects 0 dynamic 0 ne Line Status unreachable 0 wild card 0 LPD St...

Страница 112: ...106 IOLAN User and Administration Guide...

Страница 113: ...me level of functionality A 1 Using the CLI The IOLAN command line consists of a prompt as shown below IOLAN The IOLAN accepts commands in both lower and upper case and shortened versions of commands...

Страница 114: ...ess to all of the configuration functions of the IOLAN a user must log in as the administrator To do this type IOLAN su Password The user must enter the administration password The default password is...

Страница 115: ...e detailed below ARP Syntax arp flush Description This command by itself will show the IOLANs arp table IP address Ethernet address flags In the admin mode using arp flush will clear all the entries i...

Страница 116: ...rt destination destination Description This command copies one port setup to another allowing easy setup if the ports are the same configuration Administrative level is required to change Note that mu...

Страница 117: ...n level required to change HELP Syntax help Description This function provides syntax descriptions and partial descriptions of the available commands HOST Syntax host add nameadress delete name Descri...

Страница 118: ...resets the port Same as exit PROV Syntax prov Description This function displays the network status of each IP provider and is used for troubleshooting REBOOT Syntax reboot Description This function r...

Страница 119: ...e 1 touch filename 2 chmod 666 filename SET Syntax set parameter value etc Description The set command allows the administrator to configure any of the IOLAN parameters It also allows the user to alte...

Страница 120: ...parameters for any port set port This allows the user to set all of the port parameters for their own port The user will be prompted for each parameter in this section e g speed parity etc set port n...

Страница 121: ...in or login passwords of the IOLAN Note The remote access functions of IOLAN are not configurable from CLI i e the Access section of the Administrative Menu SHOW Syntax show parameter Description This...

Страница 122: ...d the IOLAN prompts the user for the admin password which is iolan by default please change for better security TELNET Syntax telnet host port Description This function allows the user to make a telne...

Страница 123: ...C Cabling Guide This is the number one problem It is helpful to have a null modem cable and a RS 232 mini tester Port settings incorrect Check the set ups of IOLAN and the terminal ensuring that they...

Страница 124: ...a 19200 bps connection should not be used on cable lengths in excess of 15m 50 ft Also a 9600 bps signal operates reliably up to a distance of approximately 30m 100 ft Cables of greater lengths may s...

Страница 125: ...als ensure they are connected correctly If the telnet session still refuses to operate re configure the port for normal terminal operation and trouble shoot again from this level Another method is the...

Страница 126: ...when you ran the ioland daemon Do this by typing cat data_file dev laser1 If this command returns then the Unix system believes it has sent the data and there is a good chance it has been printed succ...

Страница 127: ...Once you have a response from the modem dial out to a known site and check that the correct responses are returned Remember that modems can change their bps rate dynamically having made a connection b...

Страница 128: ...h various configurations or odd network traffic the unit has locked It may be freed by resetting the unit to factory defaults see below B 5 Resetting Your IOLAN At times a support problem may require...

Страница 129: ...se support There are three options a Serial ports You will need a loopback connector to run this test provided with the unit Put it on the suspect port b Ethernet interfaces This option allows you to...

Страница 130: ...reen e Reset ethernet address This is a factory only option It will reset the ethernet address if corrupted B 6 Using the IOLAN Statistics Screens The IOLAN maintains a large number of statistics and...

Страница 131: ...8 ________________________________________________________________________________ Figure 49 Server Statistics pop up Menu All of the IOLAN statistics screens are now accessible through this Statistic...

Страница 132: ...____________ Figure 50 Server Statistics screen users Framed Link Status This is a good menu for Internet Service Providers especially It shows who is logged on current port status which hosts are con...

Страница 133: ...___________________________________________________ Figure 52 Network Connection Status screen Gateway This is an often used screen for determining routing problems Administrator Gateway Tables REMOTE...

Страница 134: ...gure 54 Server Statistics screen port activity Line status This is a good screen for spotting baud rate and parity errors which if malformed is rapidly incrementing Administrator SERVER STATISTICS REM...

Страница 135: ...MP agent this means that it responds to SNMP requests It does not have the facility to generate SNMP requests to monitor another system A host machine running the client SNMP package can request any o...

Страница 136: ...130 IOLAN User and Administration Guide...

Страница 137: ...t lights or electric motors Maximum cable lengths for RS 232 are specified at 60m 200 feet but are proportional to baud rates the higher the baud the smaller the cable should be A good rule of thumb i...

Страница 138: ...2 3 4 5 6 7 8 20 Protective ground Transmitted data Received data Request to send Clear to send Data set ready Signal ground Data carrier detect Data terminal ready 103 104 105 106 107 102 109 108 Pin...

Страница 139: ...8 Data carrier detect Request to send Data set ready Transmitted data Received data Signal Ground Clear to send Data terminal ready 109 105 107 103 104 102 106 108 Pin Input Output Input Output Input...

Страница 140: ...em DCE DB25 1 2 3 4 5 6 7 8 20 Gnd TXD RXD RTS CTS DSR Gnd DCD DTR Gnd TXD RXD RTS CTS DSR Gnd DCD DTR Figure 60 IOLAN Standard Modem Cable 2 3 4 5 6 7 8 20 IOLAN DTE RJ45 Modem DCE DB25 1 2 3 4 5 6 7...

Страница 141: ...andard Terminal PC Cables 2 3 5 IOLAN DTE DB25 PC DTE DB9 2 3 7 TXD RXD Gnd RXD TXD Gnd Figure 63 IOLAN PC Cable 2 3 5 7 20 IOLAN DTE RJ45 Terminal DTE DB25 2 4 5 6 7 RTS TXD RXD Gnd CTS TXD RXD CTS G...

Страница 142: ...ware Flow Control 2 3 7 20 IOLAN DTE DB25 Printer DTE DB25 2 3 5 7 TXD RXD CTS Gnd TXD RXD Gnd DTR Figure 66 IOLAN Cable for Hardware Flow Control 2 3 7 20 Printer DTE DB25 4 5 6 7 TXD RXD Gnd CTS TXD...

Страница 143: ...mm W 250 mm H 50 mm Mass 1 66kg IOLAN L 490 mm W 300 mm H 44 mm Mass 1 85kg Environment Operational Temp 5 C to 50 C Humidity 10 to 90 RH non condensing Altitude 500 ft to 15000 ft Non operational Tem...

Страница 144: ...overy user services TFTP download upload services PPP SLIP CSLIP SNMP MIBI II and Chase variables Features Menu or command line configuration User authentication through designated authentication host...

Страница 145: ...m Ports 45 Connections Menu 15 76 Copy command 21 CSLIP 31 D DCD monitoring 32 Diagnostics 122 Dial in Modem Ports Configuration 31 Dial Out Modem Ports 45 Domain Name Server 24 35 104 E Ethernet inte...

Страница 146: ...99 Logging 94 Port 101 Port Setup 19 79 Server Configuration 17 102 Menu Interface 75 Menu System 14 Modems Authentication 37 94 DCD monitoring 32 Dial in connections 31 Dial out connections 45 Dial o...

Страница 147: ...Sites 91 Remote Access Systems 48 Reset switches 122 Reverse Telnet Port configuration 67 Reverse telnet 67 S Saving configurations 22 Security Authentication 37 Logging 37 Passwords 96 Secure field...

Страница 148: ...viii IOLAN User and Administration Guide W Windows authentication 43 Logging 43 WINS Server 35...

Страница 149: ...d like us to investigate on your behalf If you have reason to comment on a Chase Research product or service or can put forward a suggestion as to how we could improve our services please contact one...

Страница 150: ...615 872 0770 Fax 1 615 872 0771 e mail info chaser com Internet http www chaser com Chase Research GmbH Zettachring 6 70567 Stuttgart Germany Tel 49 0 711 7287 155 Fax 49 0 711 7287 156 e mail info c...

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