Adtran L128 用户手册
Chapter 1: Understanding ISDN and the Express L128/L128T
10
Express L128/L128T User Manual
61202.070L1-1
Multiple Users to Internet Service Provider (ISP) using NAT
•
Provides high speed home access to the Internet
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Multiple and simultaneous access
•
The PC’s IP address can by dynamically assigned by the Express L128/
L128T.
L128T.
•
On-demand Internet access
•
Multilink PPP plus compression yields effective throughput greater than
256 kbps.
256 kbps.
•
Compatible with popular ISP access devices
Figure 1-4
Multiple User to Internet Service Provider
INTERNET
10 BT
ISDN
1
O
ISDN
OFF
ON
2
1
EIA232
10 BASE T
POWER
1
2
3
4
TO
HUB
TO
NIC
Hub