Modem Problems, PPP Problems, Printing Problems | Perle Systems STS

Modem Problems

Modem Problems

The IOLAN is not initializing the modem.

zCheck your Line Service is set to SLIP or PPP. If your line service is set to any other type, the IOLAN will not initialize a modem. You will need to configure the modem manually.

PPPProblems

The link fails on start-up when there are remote IP addresses set for both a user (Framed IP value) and a line (Remote IP address).

zCheck the IP address set for the user; this is used in preference to the IP address set for a line. If there is a problem with the user’s IP address, negotiation will fail; the IOLAN will not use the line’s IP address as an alternative.

The link fails on start-up and security (either PAP or CHAP) is enabled on the line.

zCheck the remote client/device has the same setting; that is, PAP if the IOLAN is using PAP. The IOLAN does not perform negotiation with the remote end over PAP or CHAP.

At the remote end, the client software locks up when security (CHAP) is enabled on the line.

zDisable CHAP re-challenge parameter (challenge_interval) in the IOLAN. Some PPP client software does not work when receiving CHAP re-challenges.

PPP is not running successfully over your 485 half-duplex environment.

zPPP is incompatible with half-duplex; it must be run over a full-duplex environment.

Printing Problems

The print job fails to print on the device attached to the serial port.

zOn the line where the printer is attached, set Line Service to Printer. Print jobs will not print when the line service is set incorrectly.

When using RCP, the network host receives a rejection message from the IOLAN. The result is that the print job does not take place.

zPrint using LPD or

zModify the printer interface scripts on the network host to overcome this weakness of RCP. The modification will force the network host to continue trying to send the print job when the IOLAN’s printer port is busy.

Long Reboot Cycle

Rebooting the IOLAN takes a long time.

If you are not using DHCP/BOOTP, disable this within the Server Services; otherwise, the IOLAN waits to timeout for a request to DHCP/BOOTP.

398	IOLAN SDS/SCS/STS User’s Guide, Version 3.6

Image 398

Perle Systems STS, SCS manual Modem Problems, PPP Problems, Printing Problems, Long Reboot Cycle

Contents

Iolan SDS/SCS/STS EN 55022 1998, Class A, Note Table of Contents Configuration Methods DHCP/BOOTP Getting Started Network Settings Configuring Serial Ports UDP Sockets Profile 132 Remote Access Slip Profile 179 Configuring Users Configuring Security Configuring I/O Interfaces Channels UDP Configuring Clustering Controlling the RPS, I/O Channels, System Administration Applications Appendix B SSL/TLS Ciphers Appendix E Setting Jumpers 361 Appendix G Utilities Appendix I Troubleshooting Glossary Index Intended Audience PrefaceAbout This Book Documentation Typeface Conventions Online Help Iolan Family Models IntroductionAbout the Iolan Iolan Features Hardware Software Security Ldap Iolan Components ConnectivityIntroduction What’s Included Power Over Ethernet PoE Models Power Supply SpecificationsAvailable Accessories Desktop Models Getting to Know Your Iolan DC Power RequirementsAC Power Requirements Rack Mount Models Port Serial Activity Port Top View End View Serial/Ethernet View Rack MountConsole Port/LED View Serial Mode Console/Serial SwitchConsole Mode Dedicated Console Port Rack Mount Models Models Powering Up the IolanDesktop/Rack Mount Models Primary Supply DC Power ModelsEarthing Wire Secondary back-up Supply Disconnecting 48V Power Supplies from the Iolan Powering Up the Iolan Configuration Methods Chapter Requires a Configured IP Address Configuration Methods OverviewConfigures an IP Address Easy Config Wizard Connecting to the Iolan Using DeviceManager Access PlatformsUnique Features DeviceManager DeviceManager Using DeviceManager WebManager Connecting to the Iolan Using WebManager Iolan Using WebManager Through the Network Command Line InterfaceConnecting to the Iolan Using the CLI Menu Using the CLIConnecting to the Iolan Using the Menu Through the Serial Port Using the Menu Connecting to the Iolan Using DHCP/BOOTP Using DHCP/BOOTP DHCP/BOOTP Parameters TACACS+ Securid Connecting to the Iolan Using Snmp Snmp Using the Snmp MIB IOLAN+ Interface Connecting to the Iolan to Use the IOLAN+ InterfaceUsing the IOLAN+ Interface REMOTE-ADMIN Changes to the IOLAN+ Interface Opt HEX Rlogin/Telnet Remote Access Systems Screen Name Wchiewsds2 Debug mode IP address IOLAN+ Interface Easy Configuration Wizard Getting Started Setting Up the Network Using a Direct Serial Connection to Specify an IP Address Using a Direct Serial Connection to Enable BOOTP/DHCP Using ARP-Ping For an IPv6 Network Setting Up the Serial Ports Setting Up the Serial Ports Setting Up Users Using DeviceManager WebManager Navigating DeviceManager/WebManager DeviceManager WebManager EasyPort Web Using DeviceManager to Connect to the Iolan Starting a New Session Assigning a Temporary IP Address to a New Iolan Adding/Deleting Manual IOLANs Logging in to the Iolan Creating a New Iolan Configuration in DeviceManager Using WebManager to Connect to the IolanConfiguration Files Logging into the Iolan Managing the Iolan Opening an Existing Configuration FileImporting an Existing Configuration File Network Settings Overview IP SettingsIPv4 Settings Field Descriptions IPv6 Settings DHCPv6 AutoconfigurationIPv6 Custom IPv6 Prefix Bits Range Default Adding/Editing a Custom IPv6 Address Advanced Server Name.Domain Prefix.Domain Name Default Disabled Advertise DHCPv6 Default 100 msDefault 200 ms Configuration Functionality AdvancedHost Table IP Filtering Data Options Fully Qualified Adding/Editing a HostHost Name Domain Name Route List Type Default DefaultAdding/Editing Routes IPv4 Subnet Mask DNS/WINS RIP Editing/Adding DNS/WINS Servers Authentication Ethernet ModeDefault None Password End Time Dynamic DNSOverview Functionality Key User Name Account SettingsDefault Dynamic System Type Cipher Suite Field Descriptions Adding/Editing a Cipher Suite Validation Criteria Field Descriptions IPv6 Tunnels Common Name Name Default ManualAdding/Editing an IPv6 Tunnel Mode 102 Iolan SDS/SCS/STS User’s Guide, Version Serial Ports Functionality Editing a Serial Port Copying a Serial Port Common Tabs Resetting a Serial PortSerial Port Profiles Hardware Tab Field Descriptions Enable Inbound Default FullDefault Auto Flow Control Flow Control Default Enabled Enable Outbound Email Alert Tab Field Descriptions Packet Forwarding Tab Field Descriptions Packet Definition Enable Trigger1Enable Trigger2 Packet Size EOF2 Character Default TriggerEOF1 Character Trigger SSL/TLS Settings Tab Field Descriptions Default Client 114 Iolan SDS/SCS/STS User’s Guide, Version 115 116 Iolan SDS/SCS/STS User’s Guide, Version General Tab Field Descriptions Default TelnetConsole Management Profile Protocol Advanced Tab Field Descriptions Support Default Disabled Multisessions Enable MicrosoftAdministrator Idle Timeout Phone TruePort ProfileModem Connect to System Default Enabled Host NameConnect to remote Multiple Hosts Hosts to connect to Host and backupAdding/Editing Additional TruePort Hosts Define a primary Primary Host Backup HostAdding/Editing a Multihost Entry When Signals highDay Motd Default Disabled Enable TCP Logging Enable DataSession Timeout Connection Workstation/Server on the network Default Enabled TCP Sockets Profile Initiate Connection Received on the serial port Adding/Editing Additional Hosts 129 Day Motd Default Disabled Enable Data 131 UDP Sockets Profile End IP Address UDP port DirectionStart IP Address UDP Port Default 0 zeroTerminal Profile TVI925 Default DumbVT100 VT320 specifically supporting VT320-7 Default Disabled Protocol Is received Data Range 138 Iolan SDS/SCS/STS User’s Guide, Version User Service Settings Login Settings Quit Telnet SettingsInterrupt Erase Escape Rlogin SettingsUser is only prompted for a password SSH Settings Authentication for the SSH session Slip SettingsRSA authentication for the SSH session Arcfour Routing VJ Compression PPP Settings None Default ChapIPv6 Remote Remote User Timeout Remote PasswordConfigure Req Default 3 seconds Challenge Interval Default 1 minuteRoaming Callback Address/Control Printer Profile Serial Serial Tunneling ProfileSerial Server Tunnel Client Iolan Tunnel Client Default Disabled Host Name Act As Tunnel Virtual Modem Profile 154 Iolan SDS/SCS/STS User’s Guide, Version DCD Response Delay DTR Signal Acts as RTS Signal Always On RTS Signal Acts asAT Command Phone Number to Host Mapping Phone Number Control Signal I/O ProfileVModem Phone Number Entry Host IP Address Description Input Signal Field DescriptionsInvert Signal Latch Manual Clear Auto Clear ModeMode Default Disabled Syslog Output Signal Field Descriptions Failsafe Action Modbus Gateway Profile IP Mappings Settings Button UID RangeDestination Slave Advanced Slave Advanced Field Descriptions Default 30 msDefault 1000 ms Modbus Slave IP Settings Field Descriptions UID Start Adding/Editing Modbus Slave IP SettingsDefault Host UID End Range Default 50 ms Modbus Slave Advanced Settings Field DescriptionsDefault TCP Data Options TCP or UDP Power Management Profile RPS Name Editing Power Management Plug Settings Field DescriptionsDefault RSP820 RPS Model Default Off Remote Access PPP ProfileDefault State Data Options On, Off Negotiate IP IPv6 Global Authentication Tab Field Descriptions 174 Iolan SDS/SCS/STS User’s Guide, Version Account Settings Enable DynamicDNS for this Serial Default Disabled Port Host Dynamic DNS Field Descriptions 176 Iolan SDS/SCS/STS User’s Guide, Version Enable VJ Configure RequestCompression Default Enabled Enable Protocol Enable Magic MS Direct Guest Dial In/OutMS Direct Host Remote Access Slip Profile 180 Iolan SDS/SCS/STS User’s Guide, Version 181 Custom Application Profile General Tab Field Description Keyboard Buttons Hot Keys Direction Port BufferingLocal Port Buffering Field Definitions Remote Port Buffers NFS Host Enable PortData Default Disabled Enable Key Stroke NFS Directory Process Break Advanced Serial Settings TabSignals Deny Multiple String Default ~menuSerial Port Menu Session Escape Name Name of the modem Modems TabAdding/Editing a Modem TruePort Baud Rate Tab Field Definitions 190 Iolan SDS/SCS/STS User’s Guide, Version Configuring Users User Settings Adding/Editing Users General Tab Default Normal Default DSPrompt Services TabService Host IP IPv6 Interface Indentifier Advanced Tab Default English Sessions Tab Session 1, 2, 3 Connect Allow Access to Serial Port Access TabSerial Port Access Clustered Ports 202 Iolan SDS/SCS/STS User’s Guide, Version Configuring Security Authentication Primary AuthenticationMethod Default Local Secondary Method Local Radius General Field Descriptions Attributes Field Descriptions Authenticator response Default Enabled RetryNAS-IP-Address Default Enabled NAS-Identifier KDC Domain KerberosRealm KDC Port TLS Port Enable TLSBase Authorization Port Default Authentication Authentication Authorization Primary Host Secondary HostDefault None Authentication Primary Host Default None SecurID NIS Lynn Users Logging into the Iolan Using SSHDevice Server Tracy HR Server Users Passing Through the Iolan Using SSH Dir/SilLynn Sales Server Allow SSH-1 Interactive Default Enabled PasswordField Descriptions Keyboard Break String Enable VerboseOutput Default Disabled Button For a valid SSL/TLS connection 218 Iolan SDS/SCS/STS User’s Guide, Version Adding/Editing a Cipher 220 Iolan SDS/SCS/STS User’s Guide, Version VPN Authentication Algorithms-MD5, SHA1, SHA2 IKE Phase 1 ProposalsESP Phase 2 Proposals IPsec Adding/Editing the IPsec Tunnel Validation Criteria Default LeftSecret/Remote Local Device Shared Secret Field Description Remote Validation Criteria Field Descriptions L2TP/IPsec Allow L2TP/IPsec Exceptions Adding/Editing a VPN Exception Field Description TruePort Full ServicesTelnet Server Syslog Client SSH Server DeviceManagerWebManager Sntp Client Keys and Certificates Key Type 234 Iolan SDS/SCS/STS User’s Guide, Version Configuring I/O InterfacesChapter Settings Access Functionality Advanced Slave Modbus Settings Request Queuing Failsafe Action is triggered Failsafe Timer FunctionalityDefault 30 seconds UDP Functionality Enable UDPBroadcast of I/O Default Disabled Status UDP Settings UDP Entry Temperature Functionality Default Celsius Monitoring Application A4D2 ChannelsAnalog Analog I/O Analog Default Current Alarm Settings Digital I/O Digital InputMonitoring Application Input Mode 247 Digital Output Output Output ModeDefault Sink Delay Pulse ModeInactive Signal Width Active Signal Width Pulse Count Relay I/O RelayMonitoring Application A4D2Relay Inactive Signal Width Front Door Active SignalDigital I/O Extension Warehouse Perle Iolan Reception Input number 1 Byte Current Alarm State 1 Byte z 0 = Not in alarmMessage type 1 Byte Input TCP Port Enable I/OExtension Hosts Local connection Simultaneously Communicate to the Primary Host Temperature Temperature I/O Industrial Freezers Default RTD Alarm Settings Basic Analog Alarm Settings Trigger Type Advanced Analog Alarm SettingsClear Mode Clear UDP Unicast Format UDP Broadcast Packet Section Channel Length EnabledAnalog Section Length Channel Serial Pin Signal SectionDigital/Relay Section Length Pin Modbus Serial Application Connected to the Serial Port Modbus SlaveUDP Unicast Example Modbus Serial Application Connected to the Network Modbus TCP Application Modbus I/O AccessModbus RTU Or Ascii Application Power Digital Output Function Codes Coil/Register Descriptions Data Model A1/T1 A2/T2 A3/T3 A4/T4 Holding Registers Serial Port Coil/Register DescriptionsA4/T4 Registers Input Registers A4D2/A4R2 Registers Data Model D1/R1 D2/R2 Coils Data Model D3/R1 D4/R2 Coils Serial Pin SignalsD4/D2R2 Registers Data Model Pin Coils TruePort/Modbus Combination Modbus Serial Application TruePort Power Digital OutputTruePort I/O API Over TruePort Only PC running Custom Application API TruePort Introduction Accessing I/O Data Via TruePortSetup Command Format Format of API CommandsGet Commands Response Format Set Commands Example 1 Turn on the first relay on a D2R2 unit Successful Response FormatUnsuccessful Response Format Example 2 Turn on the first and second relay on a D2R2 unit Error Codes Snmp Traps 280 Iolan SDS/SCS/STS User’s Guide, Version Advanced Button Configuring Clustering ChapterClustering Slave List Adding Clustering Slaves Port Name Editing Clustering Slave SettingsAdvanced Clustering Slave Options Slave TCP Port Master TCP Port Configuring the Iolan Modem Card Configuring the Option CardOption Card Settings Card Configuring a Wireless WAN CardOverview Field Descriptions APN 288 Iolan SDS/SCS/STS User’s Guide, Version Email Alerts Configuring the System ChapterAlerts Alerts Syslog Location ManagementContact Community Default DES Auth Algorithm Data Options MD5, SHA Default MD5Auth Password Privacy Password Confirm Password Trap Algorithm Data Options MD5, SHA Default MD5Privacy Algorithm Data Options DES, AES Default DES Time Sntp Version Sntp ModeNetwork Time Tab Field Descriptions Time Zone/Summer Time Tab Field Descriptions Custom App/Plugin Login Tab Field Descriptions Bootup Files Tab Field Descriptions Filename Message of the Day Motd Tab Field DescriptionsTftp Host Display Motd WebManager/Easy Port Web Console Port Tab Field Descriptions Default Flow ControlTftp Tab Field Descriptions Baud Rate 302 Iolan SDS/SCS/STS User’s Guide, Version RPS Control State Button Management profile settingsControlling the RPS, I/O Channels, and IPsec Tunnels Plug Control OK Button Closes the window Button Serial port Serial Port Power ControlPower Plug Status Deactivate Output Manually deactivates the channel output IPsec Tunnel Control 308 Iolan SDS/SCS/STS User’s Guide, Version Saving Configuration Files System Administration ChapterManaging Configuration Files Downloading Configuration Files Downloading Configuration Files to Multiple IOLANs Reboot Server Less than 3 seconds-Reboots the Iolan Uploading Configuration FilesSpecifying a Custom Factory Default Configuration Calibrating Analog Input Downloading Iolan FirmwareCalibrating I/O Calibrating Voltage Calibrating Thermocouple Calibrating Temperature InputCalibrating Analog Channels Calibrating RTD Resetting Calibration Data Resetting the Iolan to Factory Defaults Setting the IOLAN’s Date and TimeRebooting the Iolan Loading a Supplied Language Resetting the SecurID Node SecretLanguage Support Software Upgrades and Language Files Translation Guidance Downloading Terminal Definitions Creating Terminal Definition Files Resetting Configuration Parameters For example Lost Admin Password Configuring a Slave Gateway Configuring ModbusConfiguring a Master Gateway Applications Modbus Slave Gateway Modbus Gateway SettingsModbus Master Gateway Modbus Slave UID Modbus Serial Port SettingsModbus Master Settings Master Gateway Serial EIA-232 Serial Port EIA-422/485 Modbus Master Modbus Slave UID Modbus Slave SettingsModbus Master Slave Gateway Configuring PPP Dial On Demand 172.16.0.0 Setting Up Printers Remote Printing Using LPD Remote Printing Using RCP Remote Printing Using Host-Based Print Handling Software Configuring a Virtual Private Network IOLAN-to-Host/Network Or just Network-to-Network 172.16.45.84 192.168.45.87 192.168.45.12 Gateway Router Host-to-HostLeft External IP Address Right 172.16.45.99 332 Iolan Device Server User’s Guide, Version VPN Client-to-Network VPN Client Initiate Communication Router Broadband Right 334 Iolan Device Server User’s Guide, Version Radius and TACACS+ Appendix a Supported Radius Parameters PPP User level. See Perle Radius Dictionary Example Accounting Message Mapped Radius Parameters to Iolan Parameters Radius Parameter Iolan Parameter Perle Radius Dictionary Example Value Accessing the Iolan Through a Serial Port Users TACACS+ Name Values Description Slip Accessing the Iolan from the Network Users Accessing the Iolan from the Network User Example Settings SSL/TLS Ciphers Valid SSL/TLS Ciphers DES-CBC-MD5 Commands Virtual Modem Initialization Commands AT&Cn AT&SnAT&Rn DB25 Male Pinouts and Cabling DiagramsSerial Pinouts DB25 Female RJ45 RJ45 SCS48C/SCS32C/SCS16C/SCS8C DB9 Male Serial Only Power Over Ethernet Pinouts DB9 Male I/O DB25 Male EIA-232 Cabling DiagramsTerminal DB25 Connector DB25 Female 10-pin Pin RJ45DB9 Male Modem DB25 Connector Iolan RJ45 DCE RxD TxD DTR 20 DTR GND 360 Iolan SDS/SCS/STS User’s Guide, Version Setting Jumpers Port Iolan DB25 Male/Female Port Iolan RJ45 P Power Over Ethernet Port Iolan RJ45 Port Iolan DB9 Port Iolan SDS1M Modem Port Iolan Port Desktop Iolan Port/Line # Line Termination 5V Output Input Volt Output Digital I/O Module Analog Input Module 368 Iolan SDS/SCS/STS User’s Guide, Version Digital Input Wet Contact Wiring I/O DiagramsDigital I/O Digital Input Dry Contact Digital Output Sink Digital Output Source Voltage Analog InputCurrent RTD 3-Wire Temperature InputRTD 2-Wire Thermocouple Normally Open Contact RTD 4-WireRelay Output Normally Closed Contact 374 Iolan SDS/SCS/STS User’s Guide, Version Utilities TruePort API Response Format API I/O Access Over TruePortAPI Request Format Error Codes Decoder 378 Iolan SDS/SCS/STS User’s Guide, Version Accessories Installing a Perle PCI Card Installing a Perle PCI Card Accessories Starter Kit Adapters/Cable RJ45F to DB25M DTE Crossover Adapter RJ45F to DB25M DCE Modem Adapter RJ45F to DB25F DTE Crossover Adapter RJ45F DB25F RJ45F to DB9M DTE Crossover Adapter Sun/Cisco RJ45M Connector Cable for Rack Mount Models RJ45F to DB9F DTE Crossover Adapter SCS48C/SCS32C/SCS16C/SCS8C Starter Kit Adapters/Cable GND DTR 20 DTR DSR RJ45F to DB25F DTE Crossover Adapter 390 Iolan SDS/SCS/STS User’s Guide, Version Sun/Cisco Roll-Over Adapter for Rack Mount Models RJ45F 392 Iolan SDS/SCS/STS User’s Guide, Version Power/Ready LED stays red after a boot TroubleshootingHardware Troubleshooting Power/Ready LED on a rack mount model flashes red General communication checks and practices are as follows Communication IssuesDeviceManager Problems Host Problems Radius Authentication Problems Login Problems Problems with Terminals Language Problems DHCP/BOOTP ProblemsCallback Problems You observe Tftp errors when the Iolan boots, for example Printing Problems Modem ProblemsPPP Problems Long Reboot Cycle Could not obtain peers certificate Certificate did not match configurationModels An A4R2 model is starting/stopping IPv6 Issues Contacting Technical Support Making a Technical Support Query Repair Procedure Feedback on this Manual Glossary Authentication Dial Users Services Reverse Connection PAP PasswordAuthentication Protocol Radius Remote RIP Routing Index API Ldap Radius Index W