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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
1
♦
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
♦
TELNE T 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.
2
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Table of Contents
Related Manuals for US Robotics ADSL Ethernet Modem
Summary of Contents for US Robotics ADSL Ethernet Modem
- Page 1 End-to-end OAM loopback Description Network Access ♦ IP routing protocols: Static routing and RIPv1, v2 The ADSL Ethernet modem provides home connectivity to an ADSL ♦ 802.1d transparent bridging service provider network over an Asynchronous Transfer Mode ♦ DHCP server automatically assigns IP addresses to PCs on (ATM)/ADSL physical layer.
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Page 2: Standard Shipment Contents
Microfilters may be supplied by your DSL Internet Service Provider. Chapter 2 Hardware Installation Front Panel LEDs of ADSL Modem Standard Shipment Contents Contents 1 ADSL Ethernet modem 1 Installation Guide 1 Power Adapter (18 VAC) 1 RJ-11 Cable 1 Ethernet Cable 1 Installation CD LEDs... - Page 3 ADSL Connector The RJ-11 jack of the Router uses pin 3 and pin 4. Rear Panel Connectors of ADSL Modem Install the ADSL Ethernet Modem Connector Label Description Power Plug – connects to the power adapter. Ethernet Port – connects to the Ethernet port on your PC or an Ethernet hub.
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Page 4: Verification Of Correct Operation
Plug the AC power adapter cord into the PWR jack at the rear of the ADSL modem. Plug the AC power adapter into a standard wall outlet. The ADSL modem is always supplied with power, so there is External POTS splitter no power switch to turn on. -
Page 5: Chapter 3 Configuration Guide
Select the ADSL Protocol different applications. To configure the logical connections, you must provision ATM virtual connections. The US Robotics ADSL Ethernet Modem supports the following four different ADSL protocols: On the ADSL modem, the ADSL physical interface is always ready to send and receive network traffic. - Page 6 Note: After you click OK, you will be prompted to save your settings. One important characteristic of bridging is the number of bridge ports. Click Save to save the changes you have made. The ADSL modem has eight remote virtual ports on the ADSL interface and one local port (Ethernet) on the user interface.
- Page 7 Modify a RFC1483 Bridged Connection link layer) of the OSI reference model, whereas routing occurs at Layer 3 (the network layer). 1. Select one VPI/VCI pair from the Connection List. The ADSL Modem has eight remote virtual ports on the ADSL interface 2.
- Page 8 To set the VPI/VCI/WAN IP/WAN Subnet Mask parameters, including Configure PPPoA Mode adding, modifying, and deleting, refer to the "Set up VPI/VCI " section in this manual. Create a new RFC1483 Routed Connection 1. Enter the correct numbers in the VPI and VCI fields. 2.
- Page 9 4. Enter the User name, Password and Authentication – CHAP with your user name. or PAP. Logical Link Control allows multiple protocol running over one virtual circuit with a little bit more 5. Click Modify. overhead. 6. Click OK to save the settings.* Virtual Circuit Multiplexer (null encapsulation) Delete a PPPoA Connection VCMUX...
- Page 10 Your service provider, usually the telephone company or the ISP, will tell 5. Click Add. This will create a new VPI/VCI connection. Up to you the values of VPI/VCI to use after you sign up the service. Your eight VPI/VCI connections can be set. service provider must also provide your User name, Password, and 6.
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Page 11: Lan Settings
Modem. When packets are sent outside the network of the US Robotics You must then select the Port number, Protocol (UDPor TCP), and the ADSL Ethernet Modem, the IP address gets converted to a globally Server IP Address for each port that you want to enable. Click OK to accessible IP address, or a WAN IP. - Page 12 Configuring DHCP/DNS Service increments of seconds. When you have completed the setup, click OK to save the configuration. Setting DNS Service Most service providers will automatically assign the DNS Server IP address by using Auto Discovery. Once DNS Relay is enabled, Auto Discovery will be enabled by default.
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Page 13: Test Your Configuration
Monitor Your ADSL Status Using Web UI Upstream Interleaved Channel shows the ADSL upstream physical rate in Interleaved channel mode. Upstream CRC Error shows the number of CRC errors of upstream traffic. Upstream Noise Margin shows the noise margin of upstream traffic. Upstream Attenuation shows the power loss in the upstream signal. - Page 14 You may run tftputil.exe directly from the CD or copy it to your hard drive Note: Refer to the "Recover from a crashed flash Image" section in this and run it from there. manual if a power failure occurs during the firmware download. Type your password, the LAN IP address for the ADSL modem, and then Configure the CONSOLE Port Image/Pack File.
- Page 15 1. Enable xmodem by entering ]xmodem fast. 192.168.1.1> flashfs 192.168.1.1 flashfs> update 2. Set the communication port baud rate to 38400. Updating flash filing system ... done a. Click Call and then click Disconnect. 192.168.1.1 flashfs> b. Select File/Properties and the Property window will be on the screen.
- Page 16 192.168.1.1> The flash image will be recovered and ready for further configuration and operation.
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Page 17: Chapter 4 Troubleshooting
Check to see if the DSL LED on the front of the ADSL modem is We declare under our sole responsibility that the U.S. Robotics ADSL Ethernet Modem to which this declaration relates, is illuminated. If it is not illuminated, make sure that the DSL cable is in conformity with the following standards or other normative documents: ANSI C63.4-1992 Methods of measurement... - Page 18 Mbps upstream from the subscriber. Centre de guarantie et de service aprés vente: Gateway - This is an entrance and an exit to a communications network. U.S. Robotics IP (Internal Protocol) - This allows a packet of information to travel Unit-100, 13751 Mayfield Pl.
- Page 19 SOFTWARE: U.S. Robotics warrants to Customer that each software program licensed from it will perform in substantial conformance to its program specifications, for a period of ninety (90) days from the date of purchase from U.S. Robotics other portions by the use of a mask or subnet number.
- Page 20 OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF U.S. ROBOTICS OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE PAID, AT U.S. ROBOTICS’S OPTION.