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ONFIGURATION

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Set Up Using FreePPP with Open Transport

FreePPP is a freeware application for accessing the Internet
available for use with Apple’s Open Transport networking
software (version 1.1 or higher) or MacTCP, Apple’s older
networking software. These instructions cover Open
Transport configuration only, and assume that the pertinent
software has already been installed on your system.

These instructions are for FreePPP 2.5v2.

1

Open

FreePPP Setup

from the menu bar control panel

located along the top of your Macintosh screen (you must
have the FreePPP Setup control panel installed in your
Control Panels folder to access and make changes to
FreePPP.)

The FreePPP Setup screen opens as shown in Figure 4-16.

Figure 4-16

FreePPP Setup Screen

NOTE: If you do not see the General, Accounts or Locations
tabs as shown in Figure 4-16, click the diamond on the left
hand side of the FreePPP setup screen to the down position.

2

Click on the

Accounts

tab and select

New

.

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Содержание 3COMIMPACT IQ

Страница 1: ... 3COMIMPACT IQ EXTERNAL ISDN MODEM USER GUIDE Part No 09 0885 001 Published July 1997 ...

Страница 2: ... restrictions set forth in subparagraph a through d of the Commercial Computer Software Restricted Rights Clause at 48 C F R 52 227 19 and the limitations set forth in 3Com Corporation s standard commercial agreement for the software Unpublished rights reserved under the copyright laws of the United States The software described in this documentation is furnished under a license agreement included...

Страница 3: ...that the 3ComImpact IQ External ISDN modem has a 5 year limited warranty on the hardware in lieu of the standard 1 year warranty The software for the 3ComImpact IQ External ISDN Modem has a 90 day warranty as further specified in the Limited Warranty statement To ensure the very best 3Com service and support take the time to register on line or complete the product registration card ...

Страница 4: ......

Страница 5: ...the 3C882 ISDN Modem 2 2 Installing a Serial Cable 2 3 Installing the ISDN Cable 2 5 Installing Analog Equipment 2 5 Installing the Power Cable 2 7 3 CONFIGURATION FOR AN IBM COMPATIBLE PC Configuring the 3C882 ISDN Modem for a PC 3 1 Installing the 3C882 Software 3 2 Running the SPID Wizard 3 3 Running the SPID Wizard Again 3 8 Configuring Multilink PPP 3 9 Configuring the B Channel Rate 3 10 Con...

Страница 6: ...2 Running the SPID Wizard 4 3 Configuring Multilink PPP 4 7 Configuring the B Channel Rate 4 8 Configuring Voice Call Routing 4 9 Two Telephone Numbers and Two Analog Devices 4 10 Verifying the Configuration 4 11 Configuring Internet Access for a Macintosh Computer 4 12 Set Up Using OT PPP and Open Transport 4 12 Set Up Using FreePPP with Open Transport 4 16 5 ADVANCED CONFIGURATION Advanced Confi...

Страница 7: ... 3 Monitoring the B Channel LEDs 8 3 Monitoring the SD LED 8 3 Monitoring the RD LED 8 3 Monitoring the DTR LED 8 4 Evaluating Symptoms and Solutions 8 4 Microkey Error Codes 8 8 Restoring the 3C882 ISDN Modem to Autobaud 8 9 Using On Line Help 8 10 Finding More Information 8 10 Downloading Firmware to Your 3C882 ISDN Modem 8 10 A ORDERING ISDN SERVICE Placing the ISDN Order Through 3Com A 1 Placi...

Страница 8: ...odem Specifications C 1 RS 232 COM Port Pin Specifications C 2 PC Serial Cable Pin Specifications C 3 Macintosh Serial Cable Pin Specifications C 3 D CONFIGURATION USING DOS Configuration Using DOS D 1 GLOSSARY INDEX LIMITED WARRANTY 3COM END USER SOFTWARE LICENSE AGREEMENT FCC CLASS B CERTIFICATION STATEMENT CANADIAN NOTICE ...

Страница 9: ...tart Message for PC 3 4 3 6 First Telephone Number Dialog Box for PC 3 5 3 7 Second Telephone Number Dialog Box for PC 3 6 3 8 Successful Configuration Dialog Box 3 6 3 9 Configuration Dialog Box for PC 3 7 3 10 Voice Call Routing Default Setting 3 11 3 11 Configuration for One Telephone Number and Two Devices 3 12 3 12 Configuration for Two Telephone Numbers and Two Analog Devices 3 12 3 13 New H...

Страница 10: ...h 4 5 4 8 Second Telephone Screen for Macintosh 4 6 4 9 Configuration Dialog Box for Macintosh 4 7 4 10 Voice Call Routing Default Setting 4 9 4 11 Configuration for One Telephone Number and Two Devices 4 10 4 12 Configuration to ring both ports simultaneously 4 11 4 13 PPP Control Panel 4 13 4 14 OT PPP Modem Control Panel 4 14 4 15 TCP IP Control Panel 4 15 4 16 FreePPP Setup Screen 4 16 4 17 Fr...

Страница 11: ...icrokey Error Codes and Their Meaning 8 8 A 1 Supporting Supplementary Voice Features A 4 A 2 Line Configuration for AT T 5ESS NI1 A 5 A 3 Line Configuration for AT T 5ESS Custom A 6 A 4 Line Configuration for DMS 100 A 7 A 5 Line Configuration for Siemens EWSD A 8 B 1 AT Command Set Summary B 1 B 2 S Registers B 4 B 3 3C882 ISDN Modem Result Codes B 9 C 1 Pin Descriptions C 2 C 2 PC COM Port Cabl...

Страница 12: ......

Страница 13: ...or Turn to General information Chapter 1 Instructions for installation Chapter 2 Instructions for configuration for an IBM or compatible PC Chapter 3 Instructions for configuration for a Macintosh computer Chapter 4 Advanced configuration Chapter 5 Information on supplementary voice features Chapter 6 Instructions for placing and receiving data and voice calls Chapter 7 Troubleshooting tips Chapte...

Страница 14: ...erred to in the text they are called out by their labels such as the Return key or the Escape key or they may be shown as Return or Esc If two or more keys are to be pressed simultaneously the keys are linked with a plus sign for example Press Ctrl Alt Del Italics Italics are used to denote new terms or emphasis Table 2 Notice Icons Icon Type Description Information Note Information notes call att...

Страница 15: ...osh computers The 3C882 ISDN modem is designed for users who require high speed access to the Internet intranet on line information services or corporate local area networks LAN A typical 3C882 ISDN modem application is shown in Figure 1 1 Figure 1 1 Network Access with the 3C882 ISDN Modem The 3C882 ISDN modem allows transmission of data at speeds of up to 128 Kbps over digital ISDN connections w...

Страница 16: ...ice telephone call while maintaining a high speed connection to the office LAN you can also send or receive a voice telephone call while you are connected to the Internet The 3C882 ISDN modem can be connected to any compatible UL listed computer that includes RS 232 compliant serial ports 3C882 ISDN Modem Features The 3C882 ISDN modem provides the following features Easy Installation and Use SPID ...

Страница 17: ...ction of up to 128 Kbps TollMizer which places a data call over a voice connection saving you the additional charge for a data call Support for Shiva s Proprietary PPP Password Authentication Protocol SPAP versions 2 and 3 Protocols ANSI V 120 rate adaption Async Sync PPP feature which automatically converts asynchronous PPP into synchronous HDLC based PPP ISDN IETF PPP RFC 1661 IETF Multilink PPP...

Страница 18: ...hone equipment touch tone or cordless telephones fax and answering machines and analog modems to the ISDN line Flexible call routing to the two analog ports Upgradability Flash memory for field firmware updates Firmware posted on 3Com s ftp and BBS sites Diagnostics LED status display Test call compatibility Warranty 5 year limited warranty 3C882 ISDN Modem Package Contents The 3C882 ISDN modem pa...

Страница 19: ...ble ISDN RJ 11 outlet If you have not ordered ISDN service yet see Appendix A ISDN configuration information Complete the ISDN Information Sheet in the ISDN Information section of this chapter A computer that meets UL standards in the United States or is certified to CSA standards in Canada Refer to the section IBM PC or Compatible Requirements for an IBM or IBM compatible PC Refer to the section ...

Страница 20: ...port For 230 4 Kbps data rate You will need an enhanced serial port card and COM port driver software that support 230 4 Kbps For 115 2 Kbps data rate 3Com recommends that your IBM or IBM compatible PC serial COM port be equipped with a 16C550 UART universal asynchronous receiver transmitter To determine what UART is installed in your PC run the Microsoft Diagnostic Program msd from the DOS prompt...

Страница 21: ...ur telephone company ISDN representative for the ISDN information Figure 1 2 ISDN Information Sheet ISDN Switch Type Place a check mark next to the ISDN switch your telephone company uses Each switch type has a corresponding provisioning table in Appendix A Number of ISDN Telephone Numbers Your one ISDN telephone line can support two ISDN telephone numbers If ISDN Information Sheet 3ComImpact IQ I...

Страница 22: ...N Telephone Number 1 Write down your ISDN telephone number provided to you by the telephone company ISDN representative ISDN Telephone Number 2 Write the second ISDN phone number if you ordered two ISDN telephone numbers for your line SPID Number If required by your telephone company fill in the SPID number for each ISDN phone number Your telephone company can tell you whether a SPID is required a...

Страница 23: ...e Macintosh or IBM compatible computer If you are not refer to the user guide that accompanied your computer for instructions on hardware installation and operating system commands The main hardware installation steps are depicted in Figure 2 1 Figure 2 1 Installation Steps for the 3C882 ISDN Modem Connect serial cable Install power cable Install ISDN cable Install analog equipment optional Famili...

Страница 24: ...k panel Figure 2 3 Back Panel Connectors Table 2 1 Front Panel LED Indicator Definitions PWR TEST D B1 B2 SD RD DTR 3ComImpact IQ TM 3 Com RESET 9 VDC 6A MAX RS 232 ISDN U 1 2 LED Color Description PWR Green Power Indicator Lit when power is on and remains lit as long as power is supplied to the unit TEST Green Self Test Status Flashes when the 3C882 ISDN modem is executing its power up self test ...

Страница 25: ...l signaling procedures are not properly established Remains lit if the physical ISDN interface is not synchronized or is disconnected B1 Amber or green B1 Channel Activity Green indicates a circuit switched data call in progress Amber indicates a circuit switched voice call in progress If a call is in a dialing state the LED flashes When the call is disconnected the LED goes off B2 Amber or green ...

Страница 26: ...ct the other end of the serial cable to a serial COM port on the back of your computer and tighten the connector screws On a PC most COM port connectors are labeled COM SERIAL or RS 232 D On an IBM AT PC and most laptops or notebooks connect the cable to a 9 pin COM port connector If your PC has a 25 pin serial port connector you will need to install a standard 9 pin to 25 pin adapter On a Macinto...

Страница 27: ...SDN cable to the RJ 11 ISDN wall jack CAUTION An NT1 is built into the 3C882 ISDN modem Never connect the 3C882 ISDN modem ISDN port to a standard analog telephone jack or to an external NT1 device Make sure that it is connected directly to the ISDN jack Installing Analog Equipment You can connect an analog touch tone telephone answering machine fax machine or external analog modem to the 3C882 IS...

Страница 28: ...with telephones that are compatible with the original AT T 2500 touch tone telephone standard 3Com guarantees proper operation of compatible touch tone devices that do not exceed a total ringer equivalency number REN of three per analog port The 3C882 ISDN modem is designed to provide power and ringing for these three devices on up to 200 feet of AWG 26 or heavier AWG wiring Although the 3C882 ISD...

Страница 29: ... not guaranteed Installing the Power Cable To install the power cable 1 Connect the 3C882 ISDN modem power cable to the 9 VDC power connector on the back panel of the ISDN modem as shown in Figure 2 7 Figure 2 7 Power Cable Connection 2 Plug the transformer end of the power cable into a surge protected standard 110 VAC wall outlet The indicator LEDs on the front panel see Figure 2 2 flash momentar...

Страница 30: ... This completes the 3C882 ISDN modem installation Refer to the appropriate chapter to configure the 3C882 ISDN modem either Chapter 3 Configuration for an IBM Compatible PC Running Windows or Chapter 4 Configuration for an Apple Macintosh Computer ...

Страница 31: ...Windows 95 Setup using Windows NT 3 5 1 Setup using Windows NT 4 0 Configuring Dial Up Networking Setup for 230Kbps For instructions on using the DOS operating system refer to Appendix D Configuring the 3C882 ISDN Modem for a PC The main steps are shown in Figure 3 1 Figure 3 1 Main Configuration Steps for a PC Install 3C882 software Run SPID Wizard Configure Multilink PPP B channel rate voice cal...

Страница 32: ...lities diskette into an available floppy drive 2 If you are using Windows 95 select Run from the Start menu If you are using Windows 3 x select Run from the File menu In the Run dialog box shown in Figure 3 2 type a setup Figure 3 2 Run Dialog Box 3 Click OK After the configuration program is copied to the hard disk a welcome screen opens as shown in figure Figure 3 3 Figure 3 3 Welcome Screen for...

Страница 33: ...ve the following message during the Microkey installation procedure ERROR DURING INSTALLATION ERROR CODE XX please record the error code shown as XX above and refer to on page 8 7 for an explanation of the error code and the corrective action to take After the setup program has completed installation you are asked to view the Readme file 6 Click Yes to review this file You may choose File and Prin...

Страница 34: ...PC If you do not want to run the SPID Wizard click Cancel to configure your values manually via the configuration dialog box see Figure 3 9 Here you can select your ISDN switch type enter the telephone number s and if required enter the corresponding SPID s for your ISDN line Note that running the SPID Wizard is the recommended method for configuring your SPID values The SPID Wizard first checks f...

Страница 35: ... box for the first telephone number appears as shown in Figure 3 6 Figure 3 6 First Telephone Number Dialog Box for PC 2 Enter the first telephone number for your ISDN line 3 Click Next A message appears indicating that the 3C882 ISDN modem is detecting the SPID for the first telephone number ...

Страница 36: ...ppears Figure 3 7 Second Telephone Number Dialog Box for PC 4 If you have a second telephone number for your ISDN line enter it and then click Next If not leave the field incomplete and then click Done After successful configuration of your switch type and SPID number s Figure 3 8 appears Figure 3 8 Successful Configuration Dialog Box ...

Страница 37: ...ul Registration dialog box will open 6 Click OK A message box indicates that you have correctly configured your 3C882 ISDN modem 7 Click No to verify your settings and continue the setup procedure recommended To exit the installation program and leave the default settings click Yes If you clicked No the Configuration dialog box will open as shown in Figure 3 9 Figure 3 9 Configuration Dialog Box f...

Страница 38: ... the current Configuration dialog box settings in a file you name You can easily restore a previously saved file to the Configuration dialog box Restore Pressing the Restore button restores the 3C882 ISDN modem to a previously saved configuration file Update Click the Update button to download any configuration parameter changes made to the Configuration dialog box After you click the Update butto...

Страница 39: ... Number dialog box appears 3 Enter the second telephone number for your ISDN line and then click Next Figure 3 8 appears 4 Click Finish Configuring Multilink PPP Multilink PPP is a protocol that provides a method for combining multiple PPP connections Multilink PPP combines the two ISDN B channels creating a virtual single digital connection of up to 128 Kbps Note that the destination you are dial...

Страница 40: ...u to place a 56 Kbps data call using a voice channel which is often less expensive Note that the device you are calling must also support TollMizer sometimes referred to as Switch 56 Permissive or Data Over Voice to take advantage of this feature By default the B channel rate is 56 Kbps Check with your telephone company for the appropriate B channel rate To change the connection speed to 64 Kbps o...

Страница 41: ...o shown in Figure 3 10 By default ISDN Call Waiting has been enabled on Phone Port 1 for use with your telephone but disabled on Phone Port 2 to prevent potential interruption of calls to your fax machine S76 1 One Telephone Number and Two Analog Devices If you have only one telephone number for your ISDN line and two analog devices check the Phone Port 1 and Phone Port 2 boxes located in the Numb...

Страница 42: ...ers and Two Analog Devices If you have two telephone numbers and two analog devices attached to your 3C882 modem you can choose to have both ISDN telephone numbers ring both devices simultaneously For this scenario you would place a checkmark in all four Phone Port boxes as shown in Figure 3 12 Figure 3 12 Configuration for Two Telephone Numbers and Two Analog Devices RESET 9 VDC 5A MAX RS 232 ISD...

Страница 43: ...fying the Configuration Check the status bar located toward the bottom of the Configuration dialog box If the parameters were configured accurately and the 3C882 ISDN modem is ready to send and receive calls the status bar fields will appear as shown here Layer 1 UP SPID 1 Init if required TEI 1 Number from 64 to 126 SPID 2 Init if required TEI 2 Number from 64 to 126 if required The TEI number s ...

Страница 44: ...your preferences If you prefer not to change the default settings go on to Chapter 7 Placing and Receiving Calls If you are using Windows 95 Windows NT 3 5 1 or Windows NT 4 0 refer to the appropriate section Setup Using Windows 95 Setup Using Windows NT 3 5 1 RAS or Setup for Windows NT 4 0 for additional instructions For information regarding configuration of the 3C882 ISDN modem with various In...

Страница 45: ...software have already been installed To setup your 3C882 ISDN manually and bypass Windows 95 Plug and Play refer to the section Setup for Windows NT 4 0 below 1 Reboot your PC with the 3C882 ISDN modem powered up and physically connected to your PC The New Hardware dialog box appears shown in Figure 3 13 Figure 3 13 New Hardware Dialog Box 2 Select the Driver from disk provided by hardware manufac...

Страница 46: ...og box appears as shown in Figure 3 14 Figure 3 14 Install From Disk Dialog Box 4 Insert the 3ComImpact IQ Windows Installation Diagnostic Utilities diskette into an available floppy drive 5 Click OK The Select Device dialog box appears as shown in Figure 3 15 Figure 3 15 Select Device Dialog Box ...

Страница 47: ...p a remote access configuration or continue on to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Setup Using Windows NT 3 5 1 RAS This section describes how to set up the 3C882 ISDN modem using Windows NT RAS version 3 5 1 Note that the...

Страница 48: ...to the same directory as the MODEM ORG file 3 From the main menu select Control Panel and then select Network The Network Settings dialog box appears as shown in Figure 3 16 Figure 3 16 Network Settings Dialog Box 4 From the Installed Network Software list box select Remote Access Service and then click Configure ...

Страница 49: ...essage box appears 8 Click Cancel The Configure Port dialog box appears 9 Select 3ComImpact IQ for baud rates up to 115 2 Kbps and then specify the port usage Click OK The 3C882 ISDN modem allows for transfer rates of up to 230 4 Kbps However some computers require the installation of additional hardware such as an accelerated serial port card to take advantage of this higher speed Additional conf...

Страница 50: ...ge the default settings then go on to Chapter 7 Placing and Receiving Calls Setup for Windows NT 4 0 This section describes how to set up the 3C882 ISDN modem using Windows NT 4 0 Note that these instructions assume that the 3C882 ISDN modem software has already been installed These instructions also apply for Windows 95 manual setup 1 Insert the 3ComImpact IQ Windows Installation Diagnostic Utili...

Страница 51: ...Setup for Windows NT 4 0 3 21 Figure 3 18 Install New Modems Dialog Box 4 Check Don t detect my modem I will select it from a list and click Next ...

Страница 52: ...ck Have Disk 6 Select 3ComImpact IQ for baud rates of up to 115 2K and click Next The 3C882 ISDN modem allows for transfer rates of up to 230 4 Kbps However some computers require the installation of additional hardware such as an accelerated serial port card to take advantage of this higher speed Additional configuration steps as well are required Refer to Setup for 230Kbps for instructions 7 Sel...

Страница 53: ...ws 95 and Windows NT 4 0 Dial Up Networking setup requires specific Internet Service Provider ISP information your particular setup parameters may vary widely You may need to check with your ISP for assistance Dial Up Networking for Windows 95 If you would like to connect to the Internet you can choose to have the Internet Setup Wizard to guide you through the procedure or you may choose to config...

Страница 54: ...essary the country code of the location you are dialing 9 Click Next 10 Click Finish To make a call double click the connection icon for the destination you wish to access A connection dialog box will open 11 Click Connect Once your call has been established you may open any web browser to access the Internet Running the Internet Set Up Wizard The Internet Set Up Wizard automates the configuration...

Страница 55: ... Select Connect Using My Phone Line Click Next to view the Connection Type dialog box 4 Choose to Connect to the Internet using an Internet Service Provider 5 Click Next If this is the first time you are running the Internet Setup Wizard the Installing Files dialog box appears 6 Click Next The Choose Modem dialog box opens 7 Select 3ComImpact IQ for baud rates of up to 115 2 Kbps or 3ComImpact IQ ...

Страница 56: ...15 Choose the appropriate box to send and receive email through the Internet Then enter your email address e g username isp com and your Internet mail server address 16 Click Next and Finish to exit the Internet Setup Wizard This completes the setup procedure for the Internet Setup Wizard Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your pre...

Страница 57: ...ial Up Networking connection a message will indicate that your phonebook is empty Click OK to add an entry 2 Type a name for your connection and click Next 3 Select I m calling the Internet and click Next 4 Enter your ISP s ISDN access number and click Next 5 Click Finish to close the New Phonebook Entry Wizard The Phonebook entry screen opens as shown in Figure 3 21 ...

Страница 58: ...ow have an opportunity to verify various settings of your Dial Up Networking connection 6 Click More and select Edit entry and modem properties Verify your ISP s ISDN access number and your modem selection 7 Click the Server tab The Server Type screen opens as shown in Figure 3 22 Figure 3 22 Server Type Screen ...

Страница 59: ...ess and enter it here 11 Click OK to return to the Phonebook Entry screen 12 Click the Script tab Set Script to None unless otherwise specified by your ISP 13 Click the Security tab Change the Authentication method to Accept any authentication including clear text for PAP authentication or Accept Only Encrypted Authentication for CHAP 14 Click OK The 3C882 ISDN modem does not support Microsoft Enc...

Страница 60: ... initial setup procedure Refer to Setup Using Windows NT 3 5 1 RAS earlier in this chapter for assistance 1 Ensure that your computer s COM port and communications software support 230 4 Kbps For instructions on sending AT commands refer to the section Changing the Parameter Settings on page 5 4 2 Using terminal emulation software send the command AT B 230400 to the 3C882 ISDN modem This will set ...

Страница 61: ... reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Setting up 230K for Windows 95 and Windows NT 4 0 These instructions require prior installation of the impact inf driver which is installed as part of the initial setup procedure Refer to Setup Using Windows 95 or Setup for Windows NT 4 0 earlier in this chapter for assist...

Страница 62: ...d rate 4 From the Control Panel dialog box double click the Modems icon The Modems Properties dialog box appears 5 Click Add The Install New Modem dialog box appears 6 Check the box to prevent automatic detection of the 3ComImpact IQ ISDN modem and click Next The dialog box listing modem manufacturers and modem models appears 7 From the Manufacturers list box select 3COM and from the Models list b...

Страница 63: ...rate to 230 4 Kbps for Windows 95 and Windows NT 4 0 Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls ...

Страница 64: ...3 34 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS ...

Страница 65: ...figuring Internet access for a Macintosh computer You will need the ISDN telephone numbers from the ISDN Information Sheet you completed in Chapter 1 Configuring the 3C882 ISDN Modem for a Macintosh Computer The main steps are shown in Figure 4 1 Figure 4 1 3C882 Configuration Steps for a Macintosh Install 3C882 software Run SPID Wizard Configure Multilink PPP B channel rate voice call routing Ver...

Страница 66: ...message box appears as shown in Figure 4 2 Figure 4 2 Installation Message Box 2 Click Continue The Readme file opens You can choose to review the document or print the file 3 Click Continue to install the software The Software Installation Location dialog box opens 4 Select the location on your hard drive where you would like to install the 3ComImpact IQ folder If you do not want to use the defau...

Страница 67: ...cally runs when you are configuring the 3C882 ISDN modem for the first time if you connect the 3C882 ISDN modem to a different ISDN line or if any of your ISDN line parameters have changed e g an area code Once the ISDN switch type telephone number s and SPID s have been configured clicking on the 3ComImpact IQ program icon will thereafter directly display the Configuration dialog box shown in Fig...

Страница 68: ...nnected and then click OK The SPID Wizard start screen appears as shown in Figure 4 6 Figure 4 6 SPID Wizard Start Screen If you do not want to run the SPID Wizard click Cancel to configure your values manually via the configuration dialog box see Figure 4 9 Once there you can select your ISDN switch type enter the telephone number s and if required enter the corresponding SPID s for your ISDN lin...

Страница 69: ...s 3 Click Next The SPID Wizard first checks for ISDN layer 1status and then configures the switch type After the switch type is configured the First Telephone Number dialog box appears as shown in Figure 4 7 Figure 4 7 First Telephone Number Screen for Macintosh 4 Enter the first telephone number for your ISDN line and then click Next ...

Страница 70: ...d telephone number for your ISDN line enter it and click Next If not leave the field incomplete and then click Done If you entered a second telephone number for your ISDN line the SPID for the second telephone number is configured A message box indicates that the configuration was successful 6 Click Done The on line registration dialog box appears Click Register and enter your information When com...

Страница 71: ...rameter changes to your ISDN modem s S registers Update Firmware Refer to the readme file for firmware download instructions Diagnostics Use the Diagnostics tool only under the direction of technical support personnel Quit Click Quit to leave the Configuration dialog box Configuring Multilink PPP Multilink PPP is a protocol that provides a method for combining multiple PPP connections Multilink PP...

Страница 72: ...ister value In the dial string enter the first telephone number then the ampersand character followed by the second telephone number For example ATD 908 555 1212 908 555 1213 Configuring the B Channel Rate Specify the B channel rate as 56 Kbps 64 Kbps or select TollMizer if you would like to use that feature TollMizer allows you to place a 56 Kbps data call using a voice channel which is often les...

Страница 73: ... Note the phone port check marks for each telephone number This default configuration routes each telephone number to a specified port The ISDN Call Waiting default configuration is best served by the recommended scenario shown in Figure 4 13 By default ISDN Call Waiting has been enabled on Phone Port 1 for use with your telephone but disabled on Phone Port 2 to prevent potential interruption of c...

Страница 74: ...ce or receive calls because your ISDN line has only one telephone number Two Telephone Numbers and Two Analog Devices If you have two telephone numbers and two analog devices attached to your 3C882 modem you can choose to have both ISDN telephone numbers ring both devices simultaneously For this scenario you would place a checkmark in all four Phone Port boxes as shown in Figure 4 12 RESET 9 VDC 5...

Страница 75: ... Number 2 3 Click the Update Configuration button to download the change to your 3C882 ISDN modem s S register Verifying the Configuration Check the status bar located toward the bottom of the Configuration dialog box to verify correct configuration If the parameters were configured accurately and the 3C882 ISDN modem is ready to send and receive calls the status bar fields will appear as shown he...

Страница 76: ... Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Configuring Internet Access for a Macintosh Computer There are two Internet Access Configuration scenarios covered Open Transport 1 1 or higher with OT PPP Open Transport 1 1 or higher with FreePPP Set Up Us...

Страница 77: ... Apple menu Control Panels and then PPP The PPP control panel opens as shown in Figure 4 13 PPP Control Panel 2 Configure the PPP control panel as specified by your ISP 3 Open the Modem control panel by choosing the PPP pull down menu and selecting Modem The Modem control panel opens as shown in Figure 4 14 ...

Страница 78: ...m script NOTE Users of Apple s System 7 6 or later must move the 3ComImpact IQ Modem Script files into a separate folder in order to access them from the OT PPP Modem control panel These CCL scripts were placed in your Extensions folder located in the System folder during installation of the 3ComImpact IQ ISDN modem software If you are using System 7 6 or later drag these modem script files from t...

Страница 79: ...ur ISP 8 Enter the Name server address es as directed by your ISP and the appropriate Search domain s if required Then choose File and Close When asked to save changes do so by choosing Save This returns you to the PPP control panel shown in 9 Close the PPP control panel by choosing File and Close When asked to save changes choose Save 10 To make a connection open the PPP control panel and choose ...

Страница 80: ...dy been installed on your system These instructions are for FreePPP 2 5v2 1 Open FreePPP Setup from the menu bar control panel located along the top of your Macintosh screen you must have the FreePPP Setup control panel installed in your Control Panels folder to access and make changes to FreePPP The FreePPP Setup screen opens as shown in Figure 4 16 Figure 4 16 FreePPP Setup Screen NOTE If you do...

Страница 81: ... However you may wish to specify a more unique description to distinguish this particular dial up profile For example you may want to set up two types of connections to the same ISP one for single channel 64 Kbps calls and another for Multilink dual channel 128 Kbps calls In this case you should enter distinguishable names such as ISP 64K and ISP 128K 4 Click the Connection tab at the top of the A...

Страница 82: ...available for your computer and then select CTS RTS DTR from the pop up menu as shown in Figure 4 18 Click OK to return to the FreePPP setup screen 6 Click the General tab to return to the FreePPP Setup screen Then click Modem Setup to reveal the FreePPP Modem Setup screen as shown in Figure 4 19 Figure 4 19 FreePPP Modem Setup Screen ...

Страница 83: ...t strings for each Account To do this check Use init string from account configuration in the Modem Init Strings Settings of the Modem Setup screen shown in Figure 4 19 You would then specify a specific modem init string under the Connection tab of each Account configuration profile that you create For example to set up a specific account profile for Multilink PPP calls you would add S80 1 to the ...

Страница 84: ...ed Then choose File and Close When asked to save changes do so by choosing Save 11 To make a connection choose Open PPP Connection from the FreePPP menu bar control panel located at the top of your screen Alternatively choose Open FreePPP Setup also located in the FreePPP menu bar control panel click on the Accounts tab highlight the particular dial up account that you wish to access and click Con...

Страница 85: ...tware For Macintosh users terminal emulation software was provided in the 3ComImpact IQ folder during software installation The advanced configuration parameters and their default settings are as follows QuickSelect enabled Dynamic Bandwidth Allocation enabled Auto Answer disabled Compression enabled Baud Rate automatic detection of rates up to 115 2 Kbps Each parameter is described in detail in t...

Страница 86: ...PP call and is used for the voice call Once the voice call ends that B channel is automatically returned to the Multilink PPP call Although throughput is reduced to one channel while the voice call is active the integrity of the Multilink PPP call is maintained If you are on the receiving end of a Multilink PPP call i e someone has dialed into your 3C882 ISDN modem and you place a voice call one o...

Страница 87: ...s automatically answered after the number of rings specified via the S register and a CONNECT message along with the speed of the connection is delivered to the RS 232 port Compression Compression is a method of reducing the size of transferred data without losing any information The 3C882 ISDN modem automatically compresses data to improve data transfer times using the hi fn LZS version 5 compres...

Страница 88: ...ulation software 2 Be sure the 3C882 ISDN modem is in command mode sometimes called local mode or terminal mode so that it interprets your commands When powered on the 3C882 ISDN modem automatically starts in command mode If you have recently used the 3C882 ISDN modem to make a call and have not yet disconnected type to switch to command mode 3 Type AT command 4 Press Enter or Return Refer to Tabl...

Страница 89: ...S71 0 Send the command ATS71 1 to use Async Sync PPP exclusively or ATS71 2 to use V 120 exclusively DBA Enabled for both incoming and outgoing calls S70 3 Send the command ATS70 0 to disable DBA Auto Answer Disabled S0 0 Send the command ATS0 number of rings before the ISDN modem answers the call to enable Auto Answer Compression Enabled C2 Send the command AT C0 to disable compression Autobaud E...

Страница 90: ...5 6 CHAPTER 5 ADVANCED CONFIGURATION ...

Страница 91: ... determine whether or not these services are supported Note that there may be an extra charge to support these features Refer to Chapter A Ordering ISDN Service for additional information In some cases your telephone company may enable supplementary voice features service on your first telephone number only You may need to specifically request that these services be enabled on your second telephon...

Страница 92: ... hook button Place the second call on hold and then switch back to the first call Press and release the flash hook The second call is then put on hold End the first call and then answer the second call Hang up the telephone wait for the telephone to ring and then answer the call What if the call on hold is dropped If the call on hold hangs up at the far end you will receive no notice If you press ...

Страница 93: ...ttempting to dial a third party the Call Waiting takes precedence Call Conference Call Conference also referred to as Three Way Calling or TWC is a voice call feature that allows you to add another party to an existing call This feature can be used whether you have received or have placed the first call You cannot conference two incoming calls You must initiate the third call in order to activate ...

Страница 94: ...u to the first call What if I hear a dial tone when I attempt to conference all three parties A dial tone indicates that one of the parties has dropped their call Press and release the switch hook button to return to the previously active call You can then conference a third party as described previously What if the telephone rings after I hang up While you try to conference a call the active call...

Страница 95: ...ate Call Hold Call Drop Call Conference and Call Transfer key values 2 Launch your terminal emulation software You will need to change the values of S registers 77 78 and 79 3 Send the following command to the 3C882 ISDN modem AT S77 x S78 x 79 x where x is the key value supplied by Pacific Bell and press Enter or Return Cancel the second call and switch back to the first call If the dialed party ...

Страница 96: ... SUPPLEMENTARY VOICE FEATURES This completes the procedure for Pacific Bell ISDN users Refer to Chapter 5 Changing the Parameter Settings or Appendix B AT Commands S Registers and Result Codes for further assistance ...

Страница 97: ...ur communications software send and receive calls for you or you can use a terminal emulator to place calls manually Software that communicates using AT commands such as HyperTerminal is required to control the 3C882 ISDN modem You can choose to enter these codes manually however they are often entered automatically by modem communications software When you place a call the B channel LED s flash g...

Страница 98: ...nal emulation mode Follow these steps to use AT commands In most situations an initialization string is not necessary with the 3C882 ISDN modem If an initialization string is required by the communications software or server use the Hayes default initialization string 1 Launch your communications software 2 Be sure the 3C882 ISDN modem is in command mode sometimes called local mode or terminal mod...

Страница 99: ...2 ISDN modem Configuration dialog box is checked The destination you are calling must also support Multilink PPP For example if you are trying to dial into the Internet your Internet service provider must support Multilink PPP in order to successfully place a Multilink PPP call Although this is not generally the case your Internet service provider may require an Endpoint Discriminator Class and an...

Страница 100: ... the S 80 register value In the dial string enter the first telephone number then the ampersand character followed by the second telephone number as shown in the example above Placing a TollMizer Call The TollMizer feature also referred to as Switch 56 Permissive or Data Over Voice allows you to place a data call using a voice channel saving the extra cost of the data channel Combining TollMizer w...

Страница 101: ... with your Internet service provider to verify that they support it and that it is enabled The device you are dialing into must be capable of generating the 2 1 kHz tone needed to disable the echo cancellers on the line Refer to the Readme file located on the software diskette for more information Receiving ISDN Data Calls The 3C882 ISDN modem can receive incoming circuit switched data calls from ...

Страница 102: ... the telephone handset or external fax machine off the hook wait for a dial tone and dial the destination telephone number When you place a voice call a B channel LED flashes amber and then remains lit once the call is established A flashing LED s indicate that the receiving end has not yet answered the call Receiving Voice Calls Using an Analog Phone Port By default incoming calls to ISDN telepho...

Страница 103: ...ller ID which requires an additional external device to monitor incoming calls is not supported by the 3C882 ISDN modem However you must have Caller ID enabled on your ISDN line to utilize the Call Logging feature To view the call log use terminal emulation software to enter the command AT N and then press Enter If there had been any incoming or outgoing calls over the data RS 232 port or analog p...

Страница 104: ...ftware to enter the command AT N0 Troubleshooting What if no information is displayed If you enter AT N but the Call Logging information is not displayed you may not have Caller ID provisioned on your ISDN line If you would like to use the Call Logging feature contact your telephone company and have them enable Caller ID Note that there may be an additional charge to add this service ...

Страница 105: ...er to Chapter A Ordering ISDN Service for assistance This chapter covers the following main topics Checking the basics Monitoring the LEDs Evaluating symptoms and solutions Identifying error codes Using on line help Finding more information Contacting technical support Downloading firmware Microkey driver error codes Restoring the modem to Autobaud There are no user serviceable parts inside your 3...

Страница 106: ...82 ISDN modem The 3C882 ISDN modem will not operate if connected to an analog telephone wall jack Make sure that the 3C882 ISDN modem is connected directly into the ISDN wall outlet without connection to any intermediate telephone equipment an NT1 device is not required with the 3C882 ISDN modem Monitoring LEDs If you are experiencing operational inconsistencies monitor the following LEDs to isola...

Страница 107: ... or green for a data call during the call establishment phase They then remain continuously amber or green once the connection is established If they do not remain continuously amber or green refer to the Evaluating Symptoms and Solutions section below Monitoring the SD LED When flashing the Send Data LED indicates that information is being transmitted over the serial data port from the computer t...

Страница 108: ...has failed the self test D channel remains lit for more than a few minutes Poor physical connection to the local telephone company If the telephone wires at your site appear to be satisfactory call your local telephone company for repair of telephone company equipment and troubleshooting assistance D channel continues to flash for more than a few minutes A mismatch between the settings of the ISDN...

Страница 109: ...the switch to unknown clear the values in the SPID fields by deleting the values listed in S52 and S53 Use terminal emulation software to enter the commands ATS52 and ATS54 B channel LED s do not remain green or amber Problem with your computer or application software or incompatible local or toll telephone company Carefully monitor the B1 and B2 LEDs while attempting a call These LEDs flash durin...

Страница 110: ...re that your computer s COM port supports 230 4 Kbps or change the COM port setting of either your computer or the ISDN modem so that both devices are set to the same COM port rate Cannot place or receive two simultaneous calls DTR LED does not remain lit after you have started your communication application Your ISDN line has not been provisioned for simultaneous voice and data Communication betw...

Страница 111: ...for further assistance Note that ACO is not available on a 5ESS Custom switch Cannot place a call when a Multilink PPP call is active DBA DBA is not enabled Make sure DBA is enabled by setting S70 Refer to Chapter B AT Commands S Registers and Result Codes for the available options Cannot receive an incoming voice call during a Multilink PPP session DBA is not provisioned on your ISDN line To use ...

Страница 112: ... device driver may exist on the computer Please contact 3Com Technical Support for further assistance 1006 Cannot remove combuf from the SYSTEM INI file An unknown third party device driver may exist on the computer Please contact 3Com Technical Support for further assistance 1007 Cannot remove comm drv from the SYSTEM INI file An unknown third party device driver may exist on the computer Please ...

Страница 113: ...tion software on the connected computer to set the software at a low baud rate such as 1200 baud 2 Power up the 3C882 ISDN modem and observe the LEDs When the Test LED goes off observe the B1 and B2 LED lights These LEDs should flash momentarily Immediately type the letter a repeatedly from your keyboard until you see the letter a appear on the screen This may take approximately 5 seconds When you...

Страница 114: ... bar and then selecting the 3ComImpact IQ Help Finding More Information For more information about the 3C882 ISDN modem such as frequently asked questions and specific technical notes refer to the enclosed Technical Support card for contact information use 3Com s fax service 1 408 727 7021 in the U S or visit 3Com s World Wide Web site at http www 3Com com Downloading Firmware to Your 3C882 ISDN M...

Страница 115: ...ppropriate line parameters to your telephone company and schedule installation of your ISDN line wherever possible Be sure to ask for the order code or order confirmation number Placing the ISDN Order Through Your Telephone Company To simplify the many features available for ISDN Bellcore has created several packages called ISDN Ordering Codes IOC for choosing the line configurations that best fit...

Страница 116: ... ISDN Call Waiting and incoming DBA Some telephone companies may choose to implement ISDN line provisioning uniquely Therefore some of the Supplementary Voice features may not be available for use with all telephone companies Refer to What Do I Need To Support Supplementary Voice Features on page A 3 or check with your telephone company for more information 4 Specify the optional Supplementary Voi...

Страница 117: ...nd incoming DBA are not available on a 5ESS Custom switch If you would like to utilize these services ask the representative if another switch type is available for your ISDN line 6 Ask the ISDN representative to provide the information you need to fill out the rest of the ISDN Information Sheet on page 1 7 This completes the procedure for ordering your ISDN line What Do I Need To Support Suppleme...

Страница 118: ...second incoming call Additional Call Offering included with Ordering Code S1 Call Conference 3 Way Calling Allows you to add a third party to an existing call Flexible Calling FCO or 3 Way Calling Call Drop Allows you to remove the last caller added to a conference Flexible Calling FCO or Call Drop Call Forwarding Allows you to transfer an existing call to another telephone number Call Forwarding ...

Страница 119: ...ll Offering FCO Yes Additional Call Offering ACO Yes Caller ID Yes Call Forwarding Variable Yes The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Switched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously If those parameters are set to 1 the ISDN line can only place or receive one call at a time Flexible Calling FCO provides 3 W...

Страница 120: ...l Forwarding Variable Yes The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Switched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously If those parameters are set to 1 the ISDN line can only place or receive one call at a time Flexible Calling FCO provides 3 Way Calling Call Conference Hold Drop and Transfer from analog equipmen...

Страница 121: ... packet mode data NOPMD Protocol Functional version 2 PVC 2 SPID Suffix 1 Terminal Endpoint Identifier TEI Dynamic Maximum Keys 64 Ring No Key System EKTS No Voice or Data Both Data Option Lower layer compatibility Flexible Call Offering FCO Yes Additional Call Offering ACO Yes Caller ID Yes Call Forwarding Variable Yes The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Swi...

Страница 122: ...tional SPID Suffix 1 Terminal Endpoint Identifier TEI Dynamic Key System EKTS No Flexible Call Offering FCO Yes Additional Call Offering ACO Yes Caller ID Yes Call Forwarding Variable Yes The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Switched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously Otherwise if those parameters are...

Страница 123: ...ngs are 1200 2400 4800 9600 19200 38400 57600 115200 and 230400 Autobaud does not exceed 115200 For 230400 you must send the command AT B230400 to the ISDN modem C Compression When enabled compresses data to improve data transfer times using the hi fn compression method C0 disables compression C2 enables compression C Serial port CD control AT C2 C0 forces CD to remain on at all times C1 forces CD...

Страница 124: ... AT I I displays the model number N Call Logging N displays the five latest incoming and outgoing calls over the data and analog ports N0 will clear this information O Enter connect state AT O Causes the ISDN modem to go out of command mode into on line mode Q Result code control AT Q0 Q0 enables the output of result codes default Q1 disables the output of result codes Q2 disables the output of re...

Страница 125: ...es long form result codes default V Show version number AT V Displays ISDN modem firmware version W Displays connection speed W0 displays COM port rate only default W1 displays COM port and ISDN data rate W2 displays ISDN data rate only W Stores configuration AT W Stores the configuration of all S registers that are not part of the ISDN modem initial configuration set Z Reset AT Z Disconnects all ...

Страница 126: ...NTI DMS 100 or Siemens EWSD S51 Phone 1 S52 Phone 1 Service Profile ID SPID S53 Phone 2 if required by your carrier S54 Phone 2 Service Profile ID SPID if required by your carrier S55 Terminal Endpoint Identifier 1 Stores the first TEI assigned by the switch A value of 255 indicates no TEI has been assigned This field is read only S56 Terminal Endpoint Identifier 2 Stores the second TEI assigned b...

Страница 127: ...em has initialized successfully using SPID 2 2 ISDN modem has failed initialization using SPID 2 S59 U Interface Status This field is read only 0 ISDN U interface is not synchronized with the switch 1 ISDN U interface is synchronized and ready S60 B Channel Data Rate 56 56 Kbps default 64 64 Kbps S61 Outgoing Call Type 0 Follow dial modifiers default 1 Tollmizer Switched 56 Permissive or Data Over...

Страница 128: ...2 to Phone port 2 only 12 Phone 1 calls blocked Phone 2 to Phone port 1 or 2 13 Phone 1 to Phone port 1 only Phone 2 to Phone port 1 or 2 14 Phone 1 to Phone port 2 only Phone 2 to Phone port 1 or 2 15 Phone 1 to Phone port 1 or 2 Phone 2 to Phone port 1 or 2 S65 ISDN Call Logging for Voice Calls for Phone Port 1 Displays the phone number of an incoming voice call over phone port 1 This field is r...

Страница 129: ...r AdTran compatibility use 253 S75 Connection Delay Specifies whether the ISDN modem immediately answers a call or waits 2 seconds to answer If you are using Windows NT use the two second delay 0 No delay default 1 Two second delay S76 ISDN Call Waiting 0 Phone 1 Call Waiting Disabled Phone 2 Call Waiting Disabled 1 Phone 1 Call Waiting Enabled Phone 2 Call Waiting Disabled default 2 Phone 1 Call ...

Страница 130: ...acters By default the 3C882 ISDN modem automatically sets the Endpoint Discriminator value to the first telephone number If your endpoint identifier class is not 5 obtain the identifier from your service provider and enter that information in this register S84 Challenge Handshake Authentication Protocol CHAP 0 Enabled 1 Disabled default The values of these S registers are stored in nonvolatile mem...

Страница 131: ...ocation you are calling is not responding 5 CONNECT 1200 Indicates 1200 bps serial port connection 10 CONNECT 2400 Indicates 2400 bps serial port connection 11 CONNECT 4800 Indicates 4800 bps serial port connection 12 CONNECT 9600 Indicates 9600 bps serial port connection 13 CONNECT 7200 Indicates 7200 bps serial port connection 14 CONNECT 12000 Indicates 12000 bps serial port connection 15 CONNEC...

Страница 132: ...B 10 APPENDIX B AT COMMANDS S REGISTERS AND RESULT CODES ...

Страница 133: ...N Basic Rate telephone service provided by the telephone company Physical Interface U integrated NT1 Physical Dimensions Length 8 66 in 22 0 cm Width 5 44 in 13 8 cm Height 1 56 in 4 0 cm Environmental Operating Range Operating temperature 50 to 122 F 10 to 50 C Relative humidity Up to 90 noncondensing Power Input 110 120 VAC Output 9 VDC Ringer Equivalence Number REN 3 per analog phone port on up...

Страница 134: ...r data communications equipment DCE Table C 1 Pin Descriptions Pin Pin Name Signal Direction 1 Shield Ground GND 2 Send Data SD To ISDN modem 3 Receive Data RD From ISDN modem 4 Request to Send RTS To ISDN modem 5 Clear to Send CTS From ISDN modem 6 Data Set Ready DSR From ISDN modem 7 Signal Ground GND 8 Carrier Detect DCD From ISDN modem 18 Local Loopback From ISDN modem 20 Data Terminal Ready D...

Страница 135: ...C 3 Table C 2 PC COM Port Cable Pin Assignments DB9 Pin Pin Name DB25 Pin 1 Data Carrier Detect DCD 8 2 Receive Data RD 3 3 Send Data SD 2 4 Data Terminal Ready DTR 20 5 Signal Ground GND 7 6 Data Set Ready DSR 6 7 Request to Send RTS 4 8 Clear to Send CTS 5 9 Ring Indicator RI 22 Shield 1 Table C 3 Macintosh COM Port Cable Pin Assignments 8 Pin DIN Pin Pin Name DB 25 Pin 1 Data Terminal Ready DTR...

Страница 136: ...C 4 APPENDIX C SPECIFICATIONS ...

Страница 137: ...tilities diskette into the floppy drive of the PC Create a new DOS directory For example to create a directory named 3Com on your C drive at the C DOS prompt type md c 3Com 2 Copy the INSTALL EXE and README TXT files from the 3ComImpact DOS Installation Diagnostic Utilities diskette to the hard drive To copy the INSTALL EXE file at the C 3Com prompt type copy a install exe To copy the README TXT f...

Страница 138: ...ield enter the telephone number to which your ISDN modem is connected 8 Enter the corresponding Service Profile Identifier SPID in the SPID 1 field for the telephone number you entered in the previous step You should have received this SPID from your telephone company 9 If you have a second telephone number associated with your ISDN telephone line some telephone companies require two enter the num...

Страница 139: ...y ring the analog device attached to Phone Port 1 12 If your ISDN line has two telephone numbers specify which Phone port should handle the calls associated with telephone number two 13 Confirm that the parameters listed in steps 6 through 12 are correct When these parameters are updated the information is read back to the screen Check to see that the values have been correctly entered 14 Press F1...

Страница 140: ...D 4 APPENDIX D CONFIGURATION USING DOS ...

Страница 141: ... communications software Autobaud Automatic baud rate detection Autobaud automatically detects the baud rate of your computer s serial port B channel Bearer channel In ISDN communications a B channel transmits data and voice traffic at a rate of up to 64 Kbps BRI Basic Rate Interface A BRI line is one of two access methods to the ISDN Each BRI consists of two 64 Kbps B channels and one 16 Kbps D c...

Страница 142: ...mputer COM ports only allow a maximum of 115 2 Kbps However accelerator cards can be purchased to increase the computer s COM port rate to 230 4 Kbps Compression Compression is a method of reducing the size of data packets without losing any information The 3C882 ISDN modem automatically compresses data for PPP calls to improve data transfer times using the hi fn compression method D channel The s...

Страница 143: ...SDN Call Waiting ISDN Call Waiting is a supplementary voice feature that allows you to place a voice call on hold while you answer an incoming voice call ISDN Call Waiting requires Additional Call Offering ACO provisioned on your ISDN line Kbps Kilobits per second The rate at which data is transmitted between communication equipment such as ISDN modems Layer 1 In ISDN communications the physical l...

Страница 144: ...Plain old telephone service PPP Point to Point Protocol PPP provides a standard method of transmitting data through the Internet PPP is used for communication between a computer and an Internet service provider PRI Primary Rate Interface A PRI line is one of two access methods to the ISDN In North America each PRI consists of twenty three 64 Kbps B channels and one 64 Kbps D channel QuickSelect A ...

Страница 145: ...ata channel Your telephone company ISP and the device into which you are calling must all support this feature V 120 A rate adaption scheme that converts transmission rates from a range of 300 bps to 115 2 Kbps to the B channel 56 Kbps or 64 Kbps rate V 120 is used for communication between two computers ...

Страница 146: ...6 GLOSSARY ...

Страница 147: ...tting 5 4 AT T 5ESS Custom switch A 6 AT T 5ESS NI1 switch A 5 Auto Answer 5 3 Autobaud 5 3 B B channel data rate 3 10 4 8 B 5 B channel LEDs 8 5 B1 channel LED 2 3 B2 channel LED 2 3 monitoring 8 3 back panel components 2 2 Baud Rate 5 3 configuring 230K 3 30 C call data placing 7 1 receiving 7 5 voice placing 7 6 receiving 7 6 Call Conference 6 3 Call Drop 6 4 Call Forwarding 6 1 Call Logging Se...

Страница 148: ...eePPP 4 16 OT PPP 4 12 changing 5 4 for an Apple Macintosh computer 4 2 using DOS D 1 using Windows 3 1 using Windows 95 3 15 using Windows NT 3 5 1 3 17 using Windows NT 4 0 3 20 Windows 95 230K 3 31 Dial Up Networking 3 23 Internet Set Up Wizard 3 24 Windows NT 3 5 1 230K 3 30 Windows NT 4 0 230K 3 31 Dial Up Networking 3 26 connecting analog devices 2 5 power cable 2 7 RJ 45 RJ 11 ISDN cable 2 ...

Страница 149: ...stallation 2 1 analog equipment 2 5 Apple Macintosh configuring Multilink PPP 4 7 configuring the B channel rate 4 8 configuring voice call routing 4 9 running the SPID Wizard 4 3 software 4 2 verifying the configuration 4 11 general steps 2 1 IBM compatible PC configuring Multilink PPP 3 9 configuring the B channel rate 3 10 configuring voice call routing 3 10 running the SPID Wizard 3 3 software...

Страница 150: ...ISDN Call Logging 7 7 L LEDs B1 channel 2 3 B2 channel 2 3 D channel 2 3 Data Terminal Ready 2 3 description 2 2 monitoring 8 2 Power 2 2 Receive Data 2 3 Self Test Status 2 2 Send Data 2 3 M Macintosh Configuring Internet Access 4 12 Macintosh requirements 1 6 Microkey error codes 8 8 Multilink PPP configuration for DOS D 2 configuration for Macintosh 4 7 configuration for Windows 3 9 placing a c...

Страница 151: ... physical dimensions C 1 placing calls 7 1 data 7 1 using AT commands 7 2 using TollMizer 7 4 voice 7 6 Plug and Play setup with Windows 95 3 15 power cable connection 2 7 Power LED 2 2 power requirements C 1 PPP protocol 1 2 Q QuickSelect 1 2 5 2 R RD LED monitoring 8 3 Receive Data LED 2 3 Receive Date RD LED 8 3 receiving calls data 7 5 voice 7 6 requirements Apple Macintosh computer 1 6 IBM or...

Страница 152: ...rmissive See TollMizer switch type A 5 to A 8 T Test LED 8 2 8 4 TollMizer 7 4 placing a call 7 4 troubleshooting 8 1 checking the basics 8 2 evaluating symptoms and solutions 8 4 Microkey error codes 8 8 monitoring LEDs 8 2 V V 120 protocol 1 2 voice calls placing 7 6 receiving 7 6 Voice Features Call Conference 6 3 Call Drop 6 4 Call Forwarding 6 1 Call Transfer 6 4 Call Waiting 6 2 Voice Servic...

Страница 153: ...Windows NT 3 5 1 3 17 Windows NT 4 0 3 20 ...

Страница 154: ......

Страница 155: ...rovided 3Com s sole obligation with respect to this express warranty shall be at 3Com s discretion to refund the purchase price paid by Customer for any defective software products or to replace any defective media with software which substantially conforms to 3Com s applicable published specifications Customer assumes responsibility for the selection of the appropriate applications program and as...

Страница 156: ...ILITY TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAI...

Страница 157: ...ll as the supporting documentation to the same party or destroy any such materials not transferred Except as set forth above you may not assign your rights under this License Agreement Modification reverse engineering reverse compiling or disassembly of the Software is expressly prohibited However if you are a European Community EC resident information necessary to achieve interoperability of the ...

Страница 158: ...d to agreements entered into and to be performed entirely within California between California residents and by the laws of the United States You agree that the United Nations Convention on Contracts for the International Sale of Goods 1980 is hereby excluded LIMITED WARRANTY LIMITATION OF LIABILITY All warranties and limitations of liability applicable to the Software are as stated on the Limited...

Страница 159: ...hat interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and rece...

Страница 160: ...e customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user...

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