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The ADTRAN Express 3000 is a standalone ISDN modem that is ideal for remote access. The Express 3000 is capable of transmitting data at speeds up to 230.4 kbps, when using hi/fn compression or up to 512 kbps when using Microsoft compression. The Express 3000 includes ISDN terminal adapter and network termination (NT1) functionality. Always On/Dynamic ISDN (AO/DI) allows a virtual connection to a corporate network or the Internet while conserving costs. AO/DI allows data to be transmitted over the low bandwidth D channel using the X.25 packet network. As demand for greater bandwidth is presented to the Express 3000, B channels are added to accommodate the increased data flow. As demand for bandwidth decreases, B channels are automatically disconnected to conserve bandwidth and the cost associated with B channel usage. Most ISDN devices are difficult to set up because of complicated ISDN line parameters provided by the telephone company and non-user friendly configuration methods. The Express Configuration Wizard makes connecting to ISDN and configuring your Express 3000 easy. Simply enter your ISDN phone numbers and let the Express Wizard step you through the rest. Expert ISDN, sophisticated patented algorithms, automatically detects the telephone company parameters such as Switch Type and SPID numbers. In areas where the telephone company automatically downloads this information to the modem, the Express 3000 becomes plug and play with the ISDN line. With Windows 95 Plug and Play compatibility, automatic serial port selection, and preconfigured application profiles, youll be communicating with the office or Internet in no time. The Express 3000 can support up to two analog devices such as telephone, FAX machine, or analog modem in addition to the computer connection for data transmissions. When transmitting data at maximum throughput over both B channels using Multilink PPP, the Express 3000 modem automatically detects calls on the analog ports. Upon detection, the Express 3000 modem adjusts the speed of the data call to 64 kbps using one B channel and accepts the analog/voice call, on the other B channel. Upon completion of the analog/voice call, the Express 3000 modem automatically resumes data transfer over both B channels. Remote Configuration allows MIS managers the flexibility of adjusting the configuration of remote units over the ISDN line. The unique modem port allows the operation of an analog modem and the Express 3000 from the same computer serial port. Features
EXPRESS 3000 MODULE APPLICATION EXAMPLE
EXPRESS 3000 MODULE REAR PANEL
Product Specifications
Ordering Information
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