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3COM & Remote Access
Windows 95 Dial-Up Networking with ISDN
Firmware Upgrade
Make Sure You Have The latest Impact Driver for Windows 95:
Firmware : Minimum Version 2.00b, Recommended Version 2.02
- Download file: impct202.exe into a temporary directory.
- After download, double-click impct202.exe.
- View the upgrade.txt & readme.txt before installation
- After the firmware upgrade is complete, place the impact.inf file into the c:\windows\inf directory.
Driver Installation
- Click Start | Settings | Control Panel
- Double-click Modems
- Modem Properties: General
- Click Add
- Install New Modem: Check Don't detect my modem; I will select from a list
- Click Next.
- By placing the impact.inf file into the c:\windows\inf directory, Windows 95 will rebuild its Modem Driver Database & will now include the 3COM ISDN devices.
- 3COM Driver (v2.02)
- Manufacturers: Select 3COM.
- Models: Select 3COM Impact (Digital Data).
- Click Next.
- Select correct Communications Port (Com #)
- Click Next | Finish
Connection Configuration
- Modem Properties: General
- Highlight 3COM Impact (Digital Data)
- Select Properties
- 3COM Impact Properties: General
- Set Maximum Speed: 115,200
- 3COM Impact Properties: Connection
- Data Bits: 8
- Parity: None
- Stop Bits: 1
- Click Advanced.
- Use Flow Control should be checked.
- Hardware (RTS/CTS) should be checked [One B Channel]
- Extra Settings: &F S61=2 S71=1 S80=0
- Extra Settings: &F S61=2 S71=1 S80=1 [Two B Channels - MultiLink PPP]
- Click OK.
- Click OK | Close
Remote S Registers
- S61=2 Outgoing Call Type: ISDN
- S71=1 B Channel Protocol: Async-Sync PPP conversion
- S80=1 MultiLink PPP: Enabled
- S80=0 MultiLink PPP: Disabled
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