3COMIMPACTIQ External Isdn Modem User Guide
 3Com Corporation 5400 Bayfront Plaza Santa Clara, California
 Limited Warranty
Year
Page
 Contents
 Configuration for AN Apple Macintosh Computer
Call Forwarding
 AT&T 5ESS Custom Switch A-6
Placing Isdn Data Calls
 Specifications
Registers
 Computer to 3C882 Isdn Modem COM Port Connection
Configuration for Two Telephone Numbers and Two Analog
 FreePPP Setup Screen
3C882 Configuration Steps for a Macintosh
 Tables
Text Conventions
Page
 How to Use This Guide
About this Guide
Introduction
Appendix B
 Conventions
 Introduction
 3C882 Isdn modem provides the following features
3C882 Isdn Modem Features
Easy Installation and Use
 High Performance
Protocols
Isdn Standards and Interface
Ansi V.120 rate adaption
 3C882 Isdn Modem Package Contents
 Before You Install the 3C882 Isdn Modem
 IBM PC or Compatible Requirements
Apple Macintosh Requirements
 Isdn Information
Isdn Information Sheet
 Introduction
 Installing the 3C882
Main hardware installation steps are depicted
 Familiarizing Yourself with the 3C882 Isdn Modem
Color Description
Green
LED remains lit but does not flash
 Installing a Serial Cable
You will need the following type of serial cable
 To install the 3C882 Isdn modem serial cable
 To install an analog device
1Installing the Isdn Cable
Installing Analog Equipment
 Analog Equipment Connection
 Installing the Power Cable
Power Cable Connection
 This completes the 3C882 Isdn modem installation
 Configuration for AN
IBM-COMPATIBLE PC
Running Windows
Configuring the 3C882 Isdn Modem for a PC
 Click OK
Installing the 3C882 Software
To install the 3C882 Isdn modem software
 Click OK to complete the installation
Running the Spid Wizard
 Double-click the 3ComImpact IQ icon shown in Figure
You will see a start message, as shown in Figure
 First Telephone Number Dialog Box for PC
 Appears
Second Telephone Number Dialog Box for PC
 Click Finish
Configuration Dialog Box for PC
 Configuration for AN IBM-COMPATIBLE PC Running Windows
 Configuring Multilink PPP
Appears Click Finish
 Configuring the B Channel Rate
Configuring Voice Call Routing
 10 Voice Call Routing Default Setting
One Telephone Number and Two Analog Devices
 11 Configuration for One Telephone Number and Two Devices
 Verifying the Configuration
 Configuration for AN IBM-COMPATIBLE PC Running Windows
 Setup Using Windows
13 New Hardware Dialog Box
 Install From Disk dialog box appears, as shown
14 Install From Disk Dialog Box
 Setup Using Windows NT 3.5.1 RAS
Check Show All Devices
 16 Network Settings Dialog Box
 Remote Access Setup dialog box appears, as shown in Figure
Remote Access Setup dialog box appears
 Setup for Windows NT
Click Continue
 Setup for Windows NT 4.0
 New Modem Manufacture screen will open, as shown in Figure
19 Modem Manufacturers and Models Dialog Box
 Dial Up Networking for Windows
Dialog box indicates successful setup Click Finish
Configure Dial-Up Networking
 Click Finish
 Click Next to view the Connection Type dialog box
 Service Provider dialog box opens
Dial-up Networking for Windows NT
 New Phonebook Entry screen opens, as shown in Figure
20 New Phonebook Entry Wizard
 21 Phonebook Entry Screen
 Click the TCP/IP Settings button
 3C882 Isdn modem allows for transfer rates of up to
Setup for 230Kbps
Setting up 230K for Windows NT
 Setting up 230K for Windows 95 and Windows NT
Click Configure Select 3ComImpact IQ 230K
 3C882 Isdn modem. This will set the baud rate to 230.4 Kbps
 Setup for 230Kbps
 Configuration for AN IBM-COMPATIBLE PC Running Windows
 Configuration for AN Apple Macintosh Computer
Configuring the 3C882 Isdn Modem for a Macintosh Computer
 Installation Message Box
Message box appears as shown in Figure
 Click OK This completes the software installation
Double-click the 3ComImpact IQ program icon shown in Figure
 Select Modem Port Screen
Spid Wizard Start Screen
 First Telephone Number Screen for Macintosh
 Second Telephone Screen for Macintosh
 Quit. Click Quit to leave the Configuration dialog box
Configuration Dialog Box for Macintosh
 Configuring the B Channel Rate
 Configuring Voice Call Routing
 RS-232
 Layer 1 UP Spid 1 Init if required
12 Configuration to ring both ports simultaneously
 Configuring Internet Access for a Macintosh Computer
Set Up Using OT/PPP and Open Transport
 Configuring Internet Access for a Macintosh Computer
 14 OT/PPP Modem Control Panel
 15 TCP/IP Control Panel
 Set Up Using FreePPP with Open Transport
Click on the Accounts tab and select New
 Account screen will open as shown in Figure
17 FreePPP Account Screen
 18 FreePPP Connection Screen
 Configuring Internet Access for a Macintosh Computer
 Choose FreePPP from the Connect via pop up menu
20 FreePPP TCP/IP Control Panel
 Advanced Configuration
Advanced Configuration Parameter Default Values
 QuickSelect
 Baud Rate
Auto Answer
Compression
 Then press Enter or Return
Changing the Parameter Settings
Type
 Enabled %C2
Autobaud Enabled $B0
Incoming Outgoing calls S70=3 Auto Answer
Answer
 Advanced Configuration
 Features
Supplementary Voice Features
Supplementary Voice
Call Forwarding
 How to Use Call Waiting How Do Do This
Isdn Call Waiting
Then put on hold
Call?
 Troubleshooting
How to Use Call Conference How Do Do This
Conference call? Press and release the switch hook button
Call Conference
 Call Drop
Call Transfer
 Isdn Service from Pacific Bell
Switch back to the first call?
 This completes the procedure for Pacific Bell Isdn users
 Placing Isdn Data Calls
Placing and Receiving
Calls
 Placing Calls Automatically
Placing Calls Manually
 Placing Multilink PPP Calls
 Placing a TollMizer Call
 Receiving Isdn Data Calls
 Placing Voice Calls Using an Analog Phone Port
Receiving Voice Calls Using an Analog Phone Port
When the 3C882 Isdn modem receives a voice call,
Channels flash and then remain lit
 Isdn Call Logging
 Troubleshooting
 Troubleshooting
 Monitoring the Test LED
Checking the Basics
Monitoring LEDs
 Monitoring the D Channel LED
Monitoring the B Channel LEDs
Monitoring the SD LED
Monitoring the RD LED
 Evaluating Symptoms and Solutions
Monitoring the DTR LED
 That your line is configured for
Circuit-switched voice and data
Line Service
Switch type has been
 Possible Cause Solution Connection has
LED remains lit Properly configured You receive a
Upon power up Previous firmware
Lights Disabled
 Symptom Possible Cause Solution
Does not work By default S76=1. Use terminal
Appropriate value. Refer to
Result Codes for the available options
 Microkey Error Codes
 Error Code Possible Cause Solution 1022
Restoring the 3C882 Isdn Modem to Autobaud
 Using On-Line Help
 Placing the Isdn Order Through Your Telephone Company
Ordering Isdn Service
Placing the Isdn Order Through 3Com
 Appendix a Ordering Isdn Service
 What Do I Need To Support Supplementary Voice Features?
 Isdn Line Parameter Tables
 AT&T 5ESS Switch NI1
Table A-2 Line Configuration for AT&T 5ESS NI1
 AT&T 5ESS Custom Switch
 NorthernTelecomDMS 100 Switch
Table A-4 Line Configuration for DMS
 Siemens Ewsd Switch
Table A-5 Line Configuration for Siemens Ewsd
 AT Commands REGISTERS, and Result Codes
AT Command Set
 Command state on detecting on-off
Command at any speed default
Host computer default
Answer mode only
 \T0 disables inactivity timer default
Initial configuration set
Reset AT Z
System reset
 Registers
Registers except S0 are the 3Com extended registers
 Isdn
 Default
Phone #1 calls blocked Phone #2 to Phone port 2 only
Phone #1 calls blocked Phone #2 to Phone port 1 or
S65 Isdn Call Logging for Voice Calls for Phone Port
 S75 Connection Delay
 Public Switched Network Directory Number default
Locally Assigned Address
Internet Protocol IP Address
Ieee 802.1 Globally Assigned MAC Address
 Result Codes
Table B-3 lists the 3C882 Isdn modem result codes
 Appendix B AT COMMANDS, S REGISTERS, and Result Codes
 Specifications
3C882 Isdn Modem Specifications
 RS-232 COM Port Pin Specifications
Clear to Send CTS From Isdn modem
 Receive Data RD Send Data SD
PC Serial Cable Pin Specifications
Macintosh Serial Cable Pin Specifications
 Appendix C Specifications
 To copy the README.TXT file, at the C\3Com prompt, type
Configuration Using
Configuration Using DOS
 Use the Space Bar to select the 3C882 Isdn modem’s COM port
 Configuration Using DOS
 Appendix D Configuration Using DOS
 Glossary
Async-Sync PPP Conversion
Channel
Call Drop
 Chap
COM port
 Firmware
Kbps
Layer
Multilink PPP
 Plain old telephone service
PAP
 Glossary
 Glossary
 Numerics
Apple Macintosh requirements 1-6 Async-Sync PPP
 Data calls placing
Pinout specifications C-2 compression 5-3 configuration
FreePPP
 DTR LED monitoring
Troubleshooting Environmental operating range C-1
Setup
 For Northern Telecom DMS 100 A-7 for Siemens Ewsd A-8
LEDs B1 channel
 Ordering Isdn service
Result codes B-9 Ringer equivalence number C-1
 Warranty 1-4 Windows Plug and Play setup
 Windows NT 3.5.1 3-17 Windows NT 4.0
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 Limited Warranty
 3Com Corporation Bayfront Plaza
 3COM END User Software License Agreement
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 Interference Handbook
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