US Robotics USR8550 Bedienungsanleitung

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Chapter 1
U.S. Robotics ADSL Ethernet Modem
Overview
Description
The ADSL Ethernet modem provides home connectivity to an ADSL
service provider network over an Asynchronous Transfer Mode
(ATM)/ADSL physical layer. It receives adaptive rates of up to
8Mbps downstream and transmits 640Kbps upstream.
System Features
This section introduces the system features of the ADSL Ethernet
modem.
Standards Compliance:
ITU-T G.992.1, G.992.2, and ANSI T1.413 Issue 2
Handshake Protocol: defined in ITU-T G.994.1
IEEE 802.3 10BaseT physical layer specification
Hardware Features
Discrete Multi-Tone based ADSL physical layer
Rate adaptive with maximum downstream data rates up to
8Mbps and upstream data rate up to 640Kbps.
10BaseT Ethernet interface, compliant with IEEE 802.3.
Status LEDs indicating Ethernet and ADSL activity
Restart and operate automatically after the input power is
restored from a power failure.
Management console support.
Software Features
Multiple data encapsulation formats support
RFC 2364 PPP over ATM AAL5
RFC 2516 PPP over Ethernet with third party client
2
RFC 1483 (bridge and routing mode) multi-protocol
encapsulation over ATM AAL5
RFC 1577 Classical IP and ARP over ATM
ATM support
ADSL physical connection supports ATM AAL5
Support for 8 PVCs
End-to-end OAM loopback
Network Access
IP routing protocols: Static routing and RIPv1, v2
802.1d transparent bridging
DHCP server automatically assigns IP addresses to PCs on
the LAN
NAT enables multiple PCs on the LAN to access the Internet
via single public IP address
Network management
Web-based configuration software
TFTP firmware upgrade and configuration backup and
restore
TELNET server for remote management
SNMPv1 agent
MIBs support with RFC1213, RFC1493 (bridged mode only),
RFC1573, RFC2662
Security
password protected system management terminal
PAP/CHAP authentication for PPP mode
Environmental Constraints
This ADSL Ethernet modem should be operated in an ambient
temperature environment of 0 to 50 degree C. The Ethernet modem
should be stored in an ambient temperature environment of –10 to
70 degree C and relative humidity in the range of 10% and 90%
non-condensing.
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Inhaltsverzeichnis

Seite 1 - Overview

1Chapter 1 U.S. Robotics ADSL Ethernet Modem Overview Des

Seite 2 - Hardware Installation

19 Your service provider, usually the telephone company or

Seite 3

21 LAN Settings The US Robotics ADSL Ethernet Modem has an

Seite 4 - Additional Options

23 Configuring DHCP/DNS Service Dynamic Host Configuration

Seite 5 - Configuration Guide

25 Monitor Your ADSL Status Using Web UI To monitor the AD

Seite 6 - RFC 1483 Bridged Setup

27 You may run tftputil.exe directly from the CD or copy it

Seite 7 - RFC 1483 Routed Setup

29 1. Enable xmodem by entering ]xmodem fast. 2. Set the

Seite 8 - Configure PPPoA Mode

31 192.168.1.1> The flash image will be recovered and re

Seite 9 - Configure PPPoE Mode

33 Chapter 4 Troubleshooting Problem: None of the LEDs

Seite 10

35 This device complies with Part 15 of the FCC Rules. Oper

Seite 11 - Configuring NAPT

37 RAM (Random Access Memory) - The primary memory in a com

Seite 12 - Configuring DHCP/DNS Service

3 Chapter 2 Hardware Installation Standard Shipment Con

Seite 13 - Upgrade Firmware Using TFTP

39 OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WIT

Seite 14 - Configure the CONSOLE Port

5 Rear Panel Connectors of ADSL Modem Connector L

Seite 15

73. Plug the AC power adapter cord into the PWR jack at th

Seite 16

9Chapter 3 Configuration Guide Purpose This chapter will p

Seite 17 - Troubleshooting

11 Note: After you click OK, you will be prompted to save y

Seite 18 - Glossary

13 Modify a RFC1483 Bridged Connection 1. Select one VPI/V

Seite 19

15 To set the VPI/VCI/WAN IP/WAN Subnet Mask parameters, in

Seite 20

17 with your user name. LLC Logical Link Control allows mul

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