Figure 3: Internet Access with the 3ComImpact Digital Modem
1. Multilink PPP and Dynamic Bandwidth Allocation
2. Setting up the 3ComImpact Digital Modem for Multilink PPP
3. Setting up the 3ComImpact External Digital Modem for DBA
The 3ComImpact External Digital Modem provides high-speed access to the Internet as well as remote connections to corporate offices and other small or home offices. If you prefer an access solution which is internal to your PC, try the 3ComImpact ISDN ISA Adapter.
Internet Access
The 3ComImpact External Digital Modem connects to an Internet service provider over BRI ISDN at a rate of up to 128 Kbps using Multilink PPP.
Figure 3: Internet Access with the 3ComImpact Digital Modem
Telecommuting
The 3ComImpact External Digital Modem connects the telecommuter to the corporate LAN using ISDN, which is faster and more reliable than an analog connection and allows both data and voice traffic over a single line.
Figure 4: Telecommuting with the 3ComImpact Digital Modem
Small Office/Home Office
The 3ComImpact External Digital Modem aggregates incoming lines such as fax, modem and telephone lines in a small or home office into one ISDN BRI line. It also provides high-speed ISDN access to the corporate LAN as well as to other remote sites.
Figure 5: Small Office to Home Office ISDN Access with the 3ComImpact Digital Modem
5. Determining Throughput
6. ISDN Routers and Bridges Versus ISDN Modems
7. Interoperability with Equipment from Other Vendors