background image

B - AT Commands

79

4.

 

Select 

Advanced

 to see the screen below.

Figure 29:- Advanced Connection (W95)

5.

 

Check the option 

Record a log file

. Then click 

OK

 and

exit.

6.

 

Use Dial-up Networking to make your on-line connection

normally. A log file MODEMLOG.TXT will be created in
your Windows directory.

7.

 

Use Notepad or another editor to read and print the file

MODEMLOG.TXT.

8.

 

Examine the file to determine the 

Initial String

 value.

Содержание IAS-240

Страница 1: ... cause undesired operation CE Marking Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Copyright 1998 Planet Technology Corp All Rights Re served Revision PLANET ISDN Access Server user s Guide for model IAS 2400 IAS 2410 Document Version 1 0 Part No EMIAS24 All trademarks and trad...

Страница 2: ...s 12 CHAPTER 2 SETUP INTERNET ACCESS 14 Overview 14 Hardware Installation 14 ISDN Access Server Configuration 16 Basic Setup Screen 20 PC Configuration 24 Operation Internet Access 25 CHAPTER 3 PRINTER SHARING 27 Overview 27 Software Installation 28 PC Configuration 28 CHAPTER 4 ADVANCED SETUP 35 Advanced Setup Screen 35 CHAPTER 5 ANALOG PORTS 37 Overview 37 Data 38 CHAPTER 6 DHCP 39 Overview 39 D...

Страница 3: ... Routing Example 48 CHAPTER 9 SERIAL PORT 50 Overview 50 Serial Port Configuration 51 Advanced Port Settings 54 Advanced Port Settings 55 Script File 56 CompuServe Script 58 Operation 59 CHAPTER 10 STATUS MONITORING 60 Overview 60 Status Screen 60 DHCP Status 62 ISDN Status 63 Port Status Test Screen 65 ...

Страница 4: ... 70 Internet Access 71 Printer Sharing 73 APPENDIX B AT COMMANDS 77 Required Settings 77 Finding the current Initial String 78 AT Commands 80 APPENDIX C WINDOWS PEER TO PEER 85 Overview 85 Procedure 85 APPENDIX D SPECIFICATIONS 91 ISDN Access Server 91 ...

Страница 5: ...iv ...

Страница 6: ...e Internet user account over an ISDN phone link It provides a low cost method of giving users of your network easy access to the vast resources available on the Internet ISDN NT1 and or Modem ISDN T A ISDN Access Server Figure 1 Office to Internet Both ISDN Access Server models include a built in 4 port 10BaseT hub allowing you to easily create a peer to peer network They also include two 2 analog...

Страница 7: ... free LAN Installation Just plug it in whether or not you wish to use the built in hub Ø DHCP Server Support Dynamic Host Configuration Protocol provides a dynamic IP address to PCs and other devices upon request The ISDN Access Server can act as a DHCP Server Ø Multi Segment LAN Support If you have a Router PCs on other LAN segments can use the ISDN Access Server to access the Internet and on the...

Страница 8: ...nished in minutes Ø Intelligent B Channel Utilization Internet access will automatically switch between 1 or 2 B channels depend ing on the volume of data Ø Outgoing call ID The ISDN Access Server supports Outgoing call ID for both MSN Multiple Subscriber Numbering and SAD Sub Address Ø Analog Ports Two 2 analog ports are provided to allow connection of your existing analog telephone an swering ma...

Страница 9: ...n be managed if required from a workstation anywhere on the LAN using a WEB browser Ø Remote Monitoring Internet access via the ISDN link or serial port usage can be monitored from any worksta tion on the LAN Printer status can be checked using the standard Windows printer features Security Features Ø Configuration Data Optional password protection is provided to prevent unauthorized users from mo...

Страница 10: ...are blocked The ISDN Access Server will not reverse translate from a global IP address to a local IP address This type of natural firewall provides an impregnable barrier against malicious attacks Requirements PCs with Ethernet Network cards and 10BaseT connectors 10BaseT network cable s with RJ45 connectors One of these cables can be used to connect the ISDN phone line Software drivers for the ne...

Страница 11: ...following items should be included The ISDN Access Server Unit Power Adapter One 1 CD ROM containing the User s Manual and printer port redirector software Quick Installation Guide If any of the above items are damaged or missing please contact your dealer as soon as possible ...

Страница 12: ...About your ISDN Access Server ISDN Access Server IAS 2400 A B C D E Figure 2 IAS 2400 Figure 3 Rear Panel IAS 2400 ...

Страница 13: ...ISDN Access Server User Guide 8 ISDN Access Server IAS 2410 A B C D E Figure 4 IAS 2410 Printer Port Power LAN WAN DIP ISDN ST Tel1 Tel2 Figure 5 Side Rear Panel IAS 2410 ...

Страница 14: ... Packet collision Collisions are normal only if this light is on most of the time is there a problem C WAN SD Flashes when data is sent through the serial WAN port RD Flashes when data is received through the serial WAN port CD Carrier Detect This is ON when the WAN serial port connection is active D ISDN LK ON while the ISDN connection is being used B1 Flash while the 1st B channel is in use B2 F...

Страница 15: ...n Off Idle Flashing Off Normal Operation transmitting or receiving data via the LAN Rapid intermittent flashing of each LED Hardware error as detailed below Error Conditions G Green Y Yellow G Y repeated RAM error G G Y Y twice repeated Flash RAM error G G G Y Y Y 3 times repeated Timer error G G G G Y Y Y Y 4 times repeated Serial port error G G G G G Y Y Y Y Y 5 times repeated LAN port error G G...

Страница 16: ...T uplink port If using both the built in hub and another hub use this port to con nect to the other hub When this port is in use port 4 can NOT be used 6 WAN port Serial port If using an external modem connect it here See Chapter 9 Serial Port for further information 7 DIP switches See the following section 8 ISDN port Use a cable with RJ45 connectors to link this port to the S T interface on the ...

Страница 17: ...lowing procedure is carried out If you merely leave the DIP switches is this position the ISDN Access Server will function normally The previous setting will loss Restore Default IP Address and Clear Password If the ISDN Access Server s IP Address or password is lost the following procedure can be used to recover from this situation 1 Turn the power to the ISDN Access Server OFF 2 Set DIP switch 1...

Страница 18: ...lash The following changes will have been made Other configuration data is unchanged IP Address set to its default value of 192 168 0 1 Network Mask set to 255 255 255 0 The password cleared no password 6 You can now connect to the ISDN Access Server and make any configuration changes required ...

Страница 19: ...y for printer sharing Refer to Chapter 10 Printer Sharing for details Hardware Installation 1 Connect Network Cables For each PC connect one end of a 10BaseT network cable to the ISDN Access Server s RJ 45 socket port1 to 4 and the other end into the RJ45 socket on the PC Cable length should not exceed 100 meters yards If you don t wish to use the ISDN Access Server s built in hub use any of ports...

Страница 20: ...printer to the printer port on the ISDN Access Server 5 Power On and Check the LEDs Connect the supplied power adapter to the ISDN Access Server and press the ON OFF switch on the back of the ISDN Access Server In is ON When the ISDN Access Server is powered On all LEDs should blink then except for the PWR LED go off The LAN LNK LED will blink during normal operation The ISDN and TEL LEDs will lig...

Страница 21: ... TCP IP protocol and use the ISDN Access Server s DHCP server to allocate an IP address DHCP Client Setup Windows 95 98 1 Select the Network Neighborhood icon on the desktop then Properties You will see a screen like the one below Figure 6 Network Configuration tab 2 If a line like the one highlighted TCP IP Network Card is not listed select Add Protocol Microsoft TCP IP OK to add it 3 Select Prop...

Страница 22: ...dress tab click the radio button for Obtain an IP address automatically as above then reboot Your PC will now act as a DHCP client Note If you already have a DCHP Server you must enter a fixed IP Address instead as shown below Figure 8 TCP IP Properties Fixed IP Address ...

Страница 23: ...nstalled LAN connections are OK and it is powered ON Ensure that your PC and the ISDN Access Server are on the same network segment If you don t have a router this must be the case If another PC or device is using the same IP address 192 168 0 1 as the ISDN Access Server turn the other device OFF until you assign a new address to the ISDN Access Server Check that you have correctly configured your...

Страница 24: ...ons Connection In Navigator check Options Network Preferences Proxies Password If a password has been set for the ISDN Access Server you will be prompted for the password as shown below If no password has been set you will not see this dialog box Figure 9 Password Dialog Leave the User Name blank and enter the password you assigned to the ISDN Access Server Navigation Data Input Use the navigation...

Страница 25: ...You must save your data before changing screens or any data you have entered will be lost Basic Setup Screen Select the Basic Setup link from the navigation bar You will see a screen like the example below Figure 10 Basic Setup Screen ...

Страница 26: ...ess assigned to you by your ISP If the ISP issues dynamic IP addresses leave this field as 0 0 0 0 With dynamic IP addresses a valid address is provided upon connection DNS IP Address The DNS Domain Name Server translates names e g micro soft com to IP Addresses Enter the DNS IP address sup plied or recommended by your ISP Telephone Enter the telephone number used to connect to your ISP Telephone ...

Страница 27: ...phone company The most common format for the SPID is 10 digits area code local number for the phone number followed by 4 digits for the device ID e g 555 555 1234 0101 Where 555 555 1234 is the phone number and 0101 is the device ID However there is wide variation in SPID formats and you must use the method advised by your phone company If your telephone company did not provide this information le...

Страница 28: ...h the addresses allocated by the DHCP server Navigate to the DHCP Server screen and disable the DHCP server function Configure your existing DHCP server to provide the ISDN Access Server s IP Address as the Default Gateway Ø If you wish to use static fixed IP Addresses Give the ISDN Access Server an IP Address within the same address range as PCs on your LAN Only the last 3 digit number should be ...

Страница 29: ...o its original state If your LAN has a Router or Routers Do NOT change any TCP IP settings on any PC un less advised to do so by your LAN Administrator Configure the router See Chapter 6 Routing for details If you wish to use static fixed IP Addresses On each PC set the Default Gateway Address on the Gateway tab of TCP IP properties to the IP Address allo cated to the ISDN Access Server On the DNS...

Страница 30: ...DN Access Server the following items are required Internet account with an ISP in addition to your AOL account The ISDN Access Server must be configured with details of the Internet account as described in this chapter Version 2 5 3 0 or later of AOL for Windows communi cation software The AOL for Windows software must be configured to use TCP IP network access rather than a dial up connection The...

Страница 31: ...cation name from New Locality to ISDN Access Server Click Edit Location Select TCP IP for the Network field Leave the Phone Number blank Click Save then OK Configuration is now complete Before clicking Sign On always ensure that you are using the ISDN Access Server location ...

Страница 32: ...r the printer attached to the ISDN Access Server must be installed The Printer Driver must be configured to use the ISDN Access Server s Printer Port The required procedure is detailed in the following sections Note that no additional ISDN Access Server configuration is required However it must have a valid IP Address and Network Mask and be recognized as a valid device on your LAN The printer dri...

Страница 33: ...l information file and the Readme file to the installation directory Shortcuts to the Readme file and the Uninstall pro gram to the Windows Start Menu The Uninstall program to the Windows directory PC Configuration This section provides detailed instructions for Windows 95 98 Windows NT 4 0 and Windows NT 3 51 Preparation Before proceeding check the following LAN is operational and using the TCP I...

Страница 34: ...to enable a banner page to be printed before each print job The Banner page contains the value in the User Name field which helps to identify the owner of the print job PostScript If using a PostScript Printer and banner page is enabled enable this option Not enabling this option will cause errors in the print job User Name The user or work group name to be printed on the banner page Retry Interva...

Страница 35: ... 2 Select the Local printer option 3 Choose the Printer Model matching the printer attached to the ISDN Access Server 4 Select PrintServer as the port in the Available Ports screen as shown below Figure 11 Available Ports Win 95 98 5 Click the Configure Port button The following Config ure Print Server screen will appear ...

Страница 36: ...e shown is the ISDN Access Server s default name which includes the Hardware Address of the device 7 Enter the configuration information as detailed in Printer Port Configuration Data on page 29 8 Follow the on screen instructions to finish adding a printer as normal Configuration is now complete You can now print using the printer connected to the ISDN Access Server ...

Страница 37: ...elect the My Computer option 3 Choose the Printer Model matching the printer attached to the ISDN Access Server 4 Select PrintServer as the port in the Select Port screen Ensure that ONLY the PrintServer port is selected as shown in the example below Figure 13 Select Port NT 4 0 5 Select the Configure Port button The following Config ure Print Server screen will appear ...

Страница 38: ...cess Server s default name which includes the Hardware Address of the device 7 Enter the configuration information as detailed in Printer Port Configuration Data on page 29 8 Follow the on screen instructions to finish adding a printer as normal When prompted for Sharing select Not Shared Configuration is now complete You can now print using the printer connected to the ISDN Access Server ...

Страница 39: ...n Settings The Configure Print Server window will appear It will look like the screen below Figure 15 Printer Port Configuration NT 3 51 5 Click the Browse Device button All ISDN Access Servers on your LAN will be listed Select the desired unit 6 Enter the configuration information as detailed in Printer Port Configuration Data on page 29 7 When finished click OK and then follow the on screen inst...

Страница 40: ... the features available from the Advanced Setup screen Advanced Setup Screen This screen can be reached by the Advanced Setup link on the navigation bar Figure 16 Advanced Setup Screen To see whether or not you require each feature please refer to the table below 4 ...

Страница 41: ... maximum is 253 ISDN Chapter 7 To use 1 B channel instead of 2 set B channel parameters as advised by the phone company or tech support or set the outgoing call ID Routing Chapter 8 If you have a router or routers on your LAN Serial Port Chapter 9 If you wish to connect a modem or ISDN TA to the Serial Port for Internet Access Where use of a certain feature requires that PCs or other LAN devices b...

Страница 42: ...to configure the Analog Ports screen Overview Configuration of the Analog Ports screen is only required if you have analog devices such as a telephone answering machine or Fax machine attached to one or both of these ports Figure 17 Analog Ports Screen 5 ...

Страница 43: ...y Time The default value is 3 this should only be changed if advised to do so by technical support staff MSN SAD Multiple Subscriber Number SubAddress Incoming Calls Enter the MSN telephone number and or SAD you wish to assign to each ports The attached telephone device will ring only if the incoming call dials the number entered Outgoing Calls If provided receivers of calls made through this port...

Страница 44: ...and use of this feature is strongly recommended Normally the default values should not need to be changed The PCs must be configured to act a DHCP clients See page 24 for details of this procedure DHCP Server Screen This screen can be used to Disable the DHCP server function Change the range of IP Address allocated to PCs by the DHCP server Increase the number of DHCP clients which can be accepted...

Страница 45: ...he DHCP server when it allocates IP Addresses to DHCP Clients This range also determines the number of DHCP clients supported Maximum number of clients is 253 DNS IP Address Enter the IP Address or Addresses you wish the DHCP Server to use Multiple entries should be entered in the order you want them accessed The first available DNS will be used The DNS field will display the DNS entered in the Ba...

Страница 46: ...ver Overview In most situations there is no need to change these settings They are provided to allow you to Temporarily switch the ISDN link OFF Use 1 B Channel for Internet access rather than both Set the B Channel line speed to 56K rather than 64K Set the outgoing call MSN and SAD Figure 19 ISDN Screen 7 ...

Страница 47: ...utgoing voice calls The 1 B channel setting restricts data to 1 channal only B Channel Line Speed The default is 64K Set to 56K only if advised to do so by your phone company B Channel Init String This is normally not needed If required enter the value recommended by your phone company or advised by technical support Outgoing Call ID MSN Multiple Subscriber Numbering If provided enter the MSN numb...

Страница 48: ... and the Routing table in the ISDN Access Server correctly as described in the following sections See page 48 for an example of configuring both the ISDN Access Server and the Router ISDN Access Server Configuration An entry in the routing table is required for each LAN seg ment on your Network other than the segment to which this device is attached The routing table is accessed by the Routing lin...

Страница 49: ...Change an Existing Entry s Details Select from the drop down box click Get Details to view the existing data then change any fields you wish Click Update when finished To Add a New Entry Ignore the drop down box click the Clear Form button and enter the details in the fields provided Click Add when finished Routing Table Data The data in the Routing Table is as follows ...

Страница 50: ...n the remote LAN segment For class C networks the standard Network Mask is 255 255 255 0 Gateway IP Address The IP Address of the Router on the LAN segment to which this device is attached NOT the router on the remote LAN segment Metric The number routers which must be navigated to reach the remote LAN segment The default value is 1 Routing tables normally have an Interface field Here all entries ...

Страница 51: ...This router Default Route is the ISDN Access Server itself Typically routers have a special entry for the Default Route It should be configured as follows Destination IP Address Normally 0 0 0 0 but check your router documentation Network Mask Normally 0 0 0 0 but check your router documentation Gateway IP Address The IP Address of the ISDN Access Server Metric 1 Other Routers Other routers must u...

Страница 52: ...Routing For routers which must forward packets to another router before reaching the ISDN Access Server s local router the Gateway IP Address will be the address of the intermedi ate router ...

Страница 53: ...s For the ISDN Access Server s Routing Table The ISDN Access Server requires 2 entries as follows Entry 1 Segment 1 Destination IP Address 192 168 1 0 Network Mask 255 255 255 0 Standard Class C Gateway IP Address 192 168 0 100 ISDN Access Server s local Router Entry 2 Segment 2 Destination IP Address 192 168 2 0 Network Mask 255 255 255 0 Gateway IP Address 192 168 0 100 ...

Страница 54: ... IP Address 0 0 0 0 Network Mask 0 0 0 0 Gateway IP Address 192 168 0 1 ISDN Access Server s IP Address For Router B s Default Route Destination IP Address 0 0 0 0 Network Mask 0 0 0 0 Gateway IP Address 192 168 1 80 ISDN Access Server s local router ...

Страница 55: ... be used only when the ISDN link is fully utilized To use a Serial port device To use the serial port on the ISDN Access Server for Internet Access Connect the modem or ISDN TA to the serial port phone line and power Configure the ISDN Access Server s Serial Port Configu ration screen with details of the attached device and the Internet Account to which it will connect If your ISP uses a non stand...

Страница 56: ...screen like the example below Figure 22 Port Configuration Hyperlinks Click the Advanced Port link to switch to the Advanced Port screen for the serial port See page 54 for details Click the Port Status Test link to move to the Status Test screen for the serial port See page 65 for details ...

Страница 57: ...ct IP Address provided by ISP Enter the IP address assigned to you by your ISP If the ISP issues dynamic IP addresses leave this field as 0 0 0 0 With dynamic IP addresses a valid address is provided upon connection DNS IP Address The DNS Domain Name Server translates names e g micro soft com to IP Addresses Enter the DNS IP address sup plied or recommended by your ISP Connect to this Account by S...

Страница 58: ...ing AT Commands For the ISDN Access Server to function correctly the modem or ISDN TA must be configured correctly The following table shows the required settings and the usual AT command Setting AT Command Fixed baud rate setting AT B1 RTS CTS flow control AT K3 DCD to track the presence of a carrier AT C1 DTR off to hang up modem AT D2 DSR always on AT S0 Modem to return modem to modem data link...

Страница 59: ...ard AT commands Your ISP does not use the standard PPP connection and requires a special log in procedure You wish to change the Time out period after which an inactive connection will be terminated The Advanced Port Screen is reached by clicking the Adv Port button on the Port Configuration screen You will then see a screen like the example below Figure 23 Advanced Port Settings ...

Страница 60: ...ne Speed Select the speed which is equal to or below the fastest SERIAL line speed NOT phone line speed of your modem Available speeds range from 4 8K to 230 4 K bps Dial Type Select Tone Pulse or Other to match your system For Other you must provide the Dial String below Dial String Only required if you are NOT using Tone or Pulse dialing Enter the command sometimes called the Dial Prefix String ...

Страница 61: ... Note the following points Items in are optional and the themselves are NOT used Strings must be enclosed in double quotes There must be spaces between commands and parameters times and strings Send msec string Send the characters in string with a msec milliseconds delay between the sending of each character Wait msec Wait for msec milliseconds before executing the next script line Wait msec strin...

Страница 62: ...d n new line r carriage return t horizontal tab v vertical tab Literal question mark literal single quotation mark literal double quotation mark literal back slash Quote characters are special characters Because each of these variables starts with a backslash the backslash character is also a special character As an example to send the string User Name including the quotes the script file entry sh...

Страница 63: ... r Command Explanation wait 3000 Pause for 3 seconds send r Send the carriage return charac ter wait 3000 Pause for 3 seconds send 100 CIS r Send the string CIS then a carriage return character Pause for 100 ms between characters wait 3000 Wait for 3 seconds to receive the character If not received in time the connection is dropped send 100 user id r Send the string user id where user id is your l...

Страница 64: ...dropped Send 100 GO PPPCONNECT r Send the string GO PPPCONNECT then a carriage return character Pause for 100 ms between each character This command tells the server to switch to a PPP connection Operation When the ISDN link is fully utilized a connection will be made through the serial port s modem or ISDN TA to increase the available bandwidth Note that if using an analog modem there will be a d...

Страница 65: ...itoring Overview The ISDN Access Server allows you to connect to it through the LAN while it is operating You can monitor the operation of the ISDN link DHCP server and the Serial Port Status Screen Figure 24 Status Screen 10 ...

Страница 66: ...staff may ask for this information Physical Address The hardware address of this device Hardware ID The hardware ID of this device used by the manufacturer for identifica tion LAN IP Address The IP Address of this device Network Mask The Network Mask value stored in this device This must match the Network Mask for the LAN segment to which this device is connected ...

Страница 67: ...atus screen An example screen is shown below Figure 25 DHCP Server Status Data DHCP Server Status This will display Enabled or Dis abled DHCP Table This table will be empty unless DHCP has been Enabled If DHCP is being used this table lists the devices which have been allocated IP Addresses by the DHCP server function IP Address The IP Address allocated by the DHCP server to the other device ...

Страница 68: ...has been allocated a IP Address Status Possible Status values are Leased the IP Address is allocated to the device shown or Reserved the IP Address is not available ISDN Status By selecting the ISDN Status link on the Status screen you can monitor the operation of the ISDN connection Figure 26 ISDN Status ...

Страница 69: ...ice This address is provided by the ISP on connec tion Connection Log This shows status to the PPP link over the ISDN line Common messages are shown in the following table Message Description Dialing Dialing the ISP Try to establish physical connection The device is trying to connect with the ISP Busy error The number dialed was busy Physical line is connected Physical connection to ISP has been e...

Страница 70: ...ill occur at the end of a session or an error condition Idle timer expires The Idle time out has been triggered There was no data sent or received for the duration of the Idle time period Port Status Test Screen This screen can be reached by links on the Status Port Con figuration and Advanced Port Settings screens Figure 27 Port Status Test ...

Страница 71: ...he current port operation Possible values are InternetAccess Idle Disabled Physical Link If operating the link will show ON This means the modem was able to connect to the number dialed PPP Link If ON a PPP connection was successfully negotiated Phone Line Speed The connection speed over the phone line between your modem and the number dialed Serial Line Speed The connection speed between this dev...

Страница 72: ... The number dialed was busy Physical line is connected Physical connection to ISP has been established CONNECT nnnnnn Physical connection was successful nnnnnn indicates the speed of the serial link as currently configured Max phone line speed nnnnnn bps nnnnnn is the maximum speed of the modem according to the current configuration DCD low DSR low Physical line break connection lost send wait AT ...

Страница 73: ...was no response from the modem No carrier No answer The number dialed did not answer Idle timer expires The time period in the configura tion to disconnect if the link is not used is up No dial tone The modem could not obtain a dial tone Set baudrate nnnn The serial line speed is being set to the speed set in the configuration Normal Operation The following sequence of messages is typical of norma...

Страница 74: ... low The connection was lost This could indicate a bad line or poor connection Normally if a connection is lost it will automatically be re established PPP up fail The ISP rejected the attempt at connec tion Check that your username and password is correct If it is check with your ISP to see why the connection is being rejected Time out No response Check that the modem is ON and properly connected...

Страница 75: ...ess Server still does not function properly contact your dealer for further advice ISDN Line Problem 1 I m not sure if the ISDN phone line is working How can I test it Solution 1 Perform a self test with this procedure 1 Connect a telephone to analog port 1 or 2 2 Pick up the phone The LED associated with the port should light 3 Press the Flash key The LED will start flashing 4 Press the following...

Страница 76: ...N Ensure that your PC and the ISDN Access Server are on the same network segment If you don t have a router this must be the case Ensure that your PC is using an IP Address within the range 192 168 0 2 to 192 168 0 254 and thus compatible with the ISDN Access Server s default IP Address of 192 168 0 1 In Windows this is done by using Control Panel Network to check the Properties for the TCP IP pro...

Страница 77: ...DN Access Server is connected and ON If it is connected and on there is a problem with your LAN 4 Run your Browser and connect to the ISDN Access Server 5 On the ISDN screen check that Opera tion is set to Enable 6 Check the ISDN Status screen and examine the Connection Log For de tails of the Log messages refer to Connection Log on page 64 Problem 3 My Modem ISDN TA is working fine with a dial up...

Страница 78: ...dly as possible The following applications and protocols are supported by firmware V5 0 Telnet FTP HTTP ping POP SMTP Archie NNTP TFTP IRC Gopher DNS SNMP Real Audio Printer Sharing Problem 1 While adding my printer as instructed I received a message stating that The printer could not be found Solution 1 Some printer drivers poll the printer to see if it is installed If the Printer is installed as...

Страница 79: ... normal Do NOT attempt to print a test page 4 When you are finished adding your printer go to Settings4Printers and select your printer The printer icon will be faded out indicating the printer is off line and unavailable 5 For Windows 95 select Proper ties4Details For Windows NT 4 0 select Ports Then select print server PrintServer as the port for this printer 6 Close the Properties window With t...

Страница 80: ... and no data is sent Simply add your printer as a network printer as described in Solution 1 above Some popular WPS printers are listed below Canon LBP 430W Epson ActionLaser 1300 W Epson EPL 5500 W HP LaserJet 5L Lexmark WinWriter 100 200 400 600 NEC SuperScript series Olivetti PG304 Samsung MyLaser 4 Samsung MyLaser 5 Samsung MyLaser 6 Problem 3 The Banner Page does not print properly Solution 1...

Страница 81: ...em 5 When printing from some software applica tions such as Power Point printing is very slow and contains errors Solution 5 The problem is caused because the printer is configured to Start printing after first page is spooled To change the configuration do the following 1 Go to Control Panel Printers and click on your printer 2 Select File Properties Details 3 When the Details screen appears clic...

Страница 82: ...eturn modem to modem data link speed ATX4 see Note below For some Mircocom and other modems the ATX4 command is not sufficient a W2 command no AT must be used as well For an ISDN TA the above commands may not be sufficient Please check the following section or your ISDN TA s user manual For a modem which uses the standard AT commands shown above the Initial String would look like the following AT ...

Страница 83: ...gh the serial port but you don t know what the modem initialization string is you can use the following procedure to find out 1 Select My Computer then Dial Up Networking 2 Select the icon for your connection then Properties 3 Click the Configure button then the Connection tab as shown below Figure 28 Connection Properties W95 ...

Страница 84: ...ption Record a log file Then click OK and exit 6 Use Dial up Networking to make your on line connection normally A log file MODEMLOG TXT will be created in your Windows directory 7 Use Notepad or another editor to read and print the file MODEMLOG TXT 8 Examine the file to determine the Initial String value ...

Страница 85: ... current connection attempt Escape sequence code entered in data state wait for modem to return to com mand state ATA Force answer mode on line ATBn Handshake operation B0 Select ITU T V 22 for 1200 bps commu nication B1 Select Bell 212A for 1200 bps communi cation ATD Dial number and options that follow P Pulse dial T Tone dial Pause for a specified time Return to command state after dialing Hook...

Страница 86: ...0 9 ATEn Command mode local echo of keyboard commands E0 Echo off E1 Echo on ATHn On Off hook control H Hang up modem H0 Hang up on hook same as ATH H1 Get off hook ATIn Display inquired information I0 Display product code I1 Display product information and ROM checksum I2 Link status report ATLn Speaker volume control n 0 7 ATMn Speaker control M0 Speaker always off M1 Speaker on until carrier is...

Страница 87: ... Q2 Return result code but quiet in answer mode will not show in AT Vn ATS0 n Number of rings required before modem answers n 0 disables auto answer ATSr b n Set bit b of S register r to n 0 or 1 ATSr b Inquiry bit b of S register r ATSr n Set S register r to value n where n is a decimal number between 0 255 ATSr Display value stored in S register r ATT Tone dial ATVn Verbal Numeric result codes V...

Страница 88: ...t the modem and set power on profile n 0 4 Zn Reset modem and load user profile n 0 3 Z4 Reset modem and load factory settings AT Help Basic command summary AT Help Extended AT command summary AT Help Extended AT command summary ...

Страница 89: ... setting Cn Carrier Detect operations C1 Carrier Detect tracks presence of carrier Dn Data Terminal Ready DTR operations D2 DTR off causes modem to hang up F Load the default factory settings Kn Data flow control DTE DCE n 0 3 4 K0 Flow control disabled K3 Hardware RTS CTS flow control K4 Software XON XOFF flow control Sn Data Set Ready DSR S0 DSR overridden DSR always on ...

Страница 90: ... Procedure The steps are Install Network cards and drivers Install and Configure the TCP IP protocol Configure Peer to peer networking Install Network Cards Drivers 1 Install a Network card NIC on each PC Follow the instructions provided with the NIC 2 Connect cables from each PC to the hub 3 Restart each PC and install the drivers for the Network card Follow the instruction provided with the NIC ...

Страница 91: ...te Driver button and follow the prompts TCP IP Installation 5 Navigate to the Network Properties screen This can be done by either Selecting Start Settings Control Panel Network Selecting the Network Neighborhood icon on the desktop and right clicking to select Properties 6 The Configuration tab of the Network Properties screen will appear An example screen is shown below ...

Страница 92: ... Figure 30 Network Properties 7 If a line like the one highlighted TCP IP NIC is not listed select Add Protocol Microsoft TCP IP OK to add it 8 Select Properties for the TCP IP NIC entry You will see a screen like the following ...

Страница 93: ...cally button as shown above you need a DHCP Dynamic Host Configuration Protocol Server The ISDN Access Server can act as a DHCP Server The DHCP server will provide all necessary IP information IP Address Subnet Mask Gateway and DNS to your PC when it boots If you don t wish to use a DHCP Server you must give each PC a unique IP Address and the same Subnet Mask ...

Страница 94: ...icrosoft Networks On boot up when the network log in screen appears you must log in even if you don t use a password If you press ESC or click Cancel no network resources will be available To make resources on a PC available to other users On the Network Properties screen see Figure 30 click the File and Printer Sharing button and enable sharing You will need to restart your computer for this to t...

Страница 95: ...r drive select it then select File Map Select the drive letter to use for this resource and check the Reconnect at Startup option You will then be able to access this shared drive or folder using Windows Explorer or the File Open File Save dialogs in any Windows application To gain access to a shared printer on another PC right click on the printer icon and select Install If you wish you can now g...

Страница 96: ...ocol TCP IP Network Interface 4 10BaseT UTP connectors ISDN Port RJ45 connector S T interface 4 wire full duplex AMI line code Analogue ports 2 RJ 11 2 wire Serial Port 1 male DB 9 connector 230 4 Kbps Async LEDs 1 Power indicator 3 LAN General status 3 ISDN Status 2 Analog port status 3 Serial port status 4 LAN connection status on rear Power Adapter External 12V DC D ...

Страница 97: ...nterface 4 10BaseT UTP connectors ISDN Port RJ45 connector S T interface 4 wire full duplex AMI line code Analogue ports 2 RJ 11 2 wire Serial Port 1 male DB 9 connector 230 4 Kbps Async Parallel port 1 Centronic female DB25 connector LEDS 1 Power indicator 3 LAN General status 3 ISDN Status 2 Analog port status 3 Serial port status 4 LAN connection status on rear Power Adapter External 12V DC ...

Отзывы: