Nortel Networks 56K manual Product Warranty, GNU General Public License

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Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

FCC Caution:

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s

 

authority to operate this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (

(1)This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

IMPORTANT NOTE:

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Product Warranty

The warranty is granted on the following conditions:

1.This warranty extends to the original purchaser (you) and is not transferable;

2.This warranty shall not apply to software programs, batteries, power supplies, cables or other accessories supplied in or with the product;

3.The customer complies with all of the terms of any relevant agreement with NetComm and any other reasonable requirements of NetComm including producing such evidence of purchase as NetComm may require;

4.The cost of transporting product to and from NetComm’s nominated premises is your responsibility; and,

5.NetComm does not have any liability or responsibility under this warranty where any cost, loss, injury or damage of any kind, whether direct, indirect, consequential, incidental or otherwise arises out of events beyond NetComm’s reasonable control. This includes but is not limited to: acts of God, war, riot, embargoes, acts of civil or military authorities, fire, floods, electricity outages, lightning, power surges, or shortages of materials or labour.

6.The customer is responsible for the security of their computer and network at all times. Security features may be disabled within the factory default settings. NetComm recommends that you enable these features to enhance your security.

GNU General Public License

This product includes software code that is subject to the GNU General Public License (“GPL”) or GNU Lesser General Public License (“LGPL”). This code is subject to the copyrights of one or more authors and is distributed without any warranty. A copy of this software can be obtained by contacting NetComm Limited on +61 2 9424 2059.

The warranty is automatically voided if:

1.You, or someone else, use the product, or attempts to use it, other than as specified by NetComm;

2.The fault or defect in your product is the result of a voltage surge subjected to the product either by the way of power supply or communication line, whether caused by thunderstorm activity or any other cause(s);

3.The fault is the result of accidental damage or damage in transit, including but not limited to liquid spillage;

4.Your product has been used for any purposes other than that for which it is sold, or in any way other than in strict accordance with the user manual supplied;

5.Your product has been repaired or modified or attempted to be repaired or modified, other than by a qualified person at a service centre authorised by NetComm; and,

6.The serial number has been defaced or altered in any way or if the serial number plate has been removed.

NetComm Roadster Series 56K USB Modem

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www.netcomm.com.au

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Contents User Guide Table of Contents PrefaceIntroduction General Description Features & SpecificationsIntroduction Data ModemSystem Requirements Package IncludesHardware Setup Installing the 56Kbps USB ModemConfigure the Modem on Win9X/WinME/Win2000/WinXP/Vista/7 Commands Commands Basic AT Command GuideDdial string-Dial Bvalue-Communication Standard SettingCvalue-Carrier Control Ivalue-Request ID InformationMvalue-Speaker Control Ovalue-Return to On-Line Data ModeHvalue-Hook Control Nvalue-Modulation HandshakeQvalue Result Code Control Zvalue Reset and Recall Stored ProfileSelect Pulse Dialing Select Tone DialingTroubleshooting Modem does not answer an incoming call TroubleshootingModem does not respond to AT commands Modem disconnects while onlineAppendix RJ11 connector and cable Appendix a Cable ConnectionsAppendix B Registering your NetComm Product Legal & Regulatory InformationCustomer Information Product Warranty GNU General Public LicenseLimitations of Warranty Product Warranty Technical Support

56K specifications

Nortel Networks, a leading telecommunications equipment manufacturer, played a crucial role in the development of modem technology during the late 1990s and early 2000s. Among its most notable contributions was the Nortel Networks 56K modem. Introduced at a time when dial-up internet access was the norm, the 56K modem represented a significant leap forward in data transmission speeds for both residential users and businesses alike.

One of the main features of the Nortel Networks 56K modem was its ability to achieve faster data rates compared to its predecessors. While earlier modems operated at speeds of 28.8 Kbps or 33.6 Kbps, the Nortel 56K modem could theoretically reach connection speeds of 56 Kbps under optimal conditions. This enhancement was made possible through the implementation of newer modulation techniques, such as Pulse Amplitude Modulation (PAM), which allowed for more efficient data transmission over standard telephone lines.

The 56K modem was designed to work effectively over existing analog phone lines, which was a crucial characteristic during that time. It could connect directly to the existing Public Switched Telephone Network (PSTN), making it accessible for millions of users without the need for any special infrastructure upgrades. This meant that both home users and businesses could benefit from the increased speed without significant investment.

Another notable feature was the robustness of the Nortel 56K modem's error correction capabilities. Technologies such as V.42 and V.42bis compression were integrated to enhance data integrity. These error-correcting protocols stitched together fragmented data packets, thereby ensuring reliable and stable connections, even over less-than-perfect phone lines. This reliability was vital for users who relied on modems for email, file transfers, and browsing the web.

In terms of compatibility, the Nortel Networks 56K modem was designed to work seamlessly with various operating systems, ensuring that users could connect to the internet regardless of their hardware setup. The plug-and-play capability made installation straightforward, allowing users to start browsing the web quickly.

While the Nortel Networks 56K modem was eventually eclipsed by DSL and broadband technologies that offered even higher speeds, it played an instrumental role in transitioning users from slower modems to a more connected world. The impact of Nortel's 56K modem can still be felt today, as it laid the groundwork for future innovations in digital communications and paved the way for the fast-paced internet landscape we experience now.
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