Isdn internet 10 bt 10 bt – ADTRAN L128 User Manual
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Chapter 1: Understanding ISDN and the Express L128/L128T
61202.070L1-1
Express L128/L128T User Manual
9
Single User IP to Internet Service Provider (ISP) using Network Ad-
dress Translation (NAT)
•
Provides high speed home access to the Internet
•
NAT provides translation from user assigned IP addresses to ISP assigned
IP addresses.
•
The PC’s IP address can be dynamically assigned by the Express L128/
L128T.
•
Overcomes the serial port speed limitations of current terminal adapter
solutions
•
Multilink Point-to-Point Protocol (PPP) plus compression yields effective
throughput greater than 256 kbps.
•
Compatible with popular ISP access devices
Figure 1-3
Single User to Internet Service Provider
ISDN
INTERNET
10 BT
10 BT
1
O
ISDN
OFF
ON
2
1
EIA232
10 BASE T
POWER
1
2
3
4
TO
HUB
TO
NIC