Appendix B: Log Messages

Can't find user profile level 2

The Express XL/XLT could not find an appropriate user profile for an incom- ing call. Make sure that a profile has been entered under Configuration/Con- nection List or that a default profile exists. A default profile is one which has the name DEFAULT in the description field.

CCP <X> down level 5

Compression Control Protocol port <X> has been dropped between Express XL/XLT and PPP peer.

CCP <X> up level 5

Compression Control Protocol port <X> has been successfully negotiated be- tween Express XL/XLT and PPP peer.

CHAP authen failed level 3

The PPP peer has rejected the Express XL/XLT’s username and/or password used for authenticating. Check to make sure the Configuration/Connection List/Authentication parameters Tx Method, Tx Username, and Tx Password are correct.

EAP authen failed level 3

The PPP peer has rejected the Express XL/XLT’s username and/or password used for authenticating. Check to make sure the Configuration/Connection List/Authentication parameters Tx Method, Tx Username, and Tx Password are correct.

IPCP <X> down level 5

IP Control Protocol port <X> has been dropped between Express XL/XLT and PPP peer.

IPCP <X> up level 5

IP Control Protocol port <X> has been successfully negotiated between Ex- press XL/XLT and PPP peer.

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ADTRAN Express XLT user manual Appendix B Log Messages

Express XLT, Express XL specifications

ADTRAN has established itself as a leading provider of telecommunications solutions, and among its impressive lineup, the ADTRAN Express XL and Express XLT stand out as robust offerings designed for the evolving demands of modern networks. These devices cater to service providers and enterprises looking to enhance their broadband delivery capabilities while ensuring cost-efficiency and reliability.

The ADTRAN Express XL is a high-capacity, next-generation fiber optic access platform. It is engineered to support a wide array of technologies, including Passive Optical Network (PON) standards such as GPON and XGSPON. The Express XL's architecture allows for seamless scalability, making it a perfect fit for both small-scale deployments and expansive network rollouts. What sets it apart is its ability to deliver ultra-fast broadband services to residential, business, and mobile backhaul customers with its impressive throughput capabilities.

On the other hand, the Express XLT builds upon the success of the Express XL by incorporating advanced features aimed at maximizing operational efficiency. It supports technologies including Active Ethernet and offers flexible network configurations to meet specific service requirements. Both models utilize ADTRAN’s innovative Dynamic Bandwidth Allocation technology, which dynamically allocates bandwidth to users based on real-time demand, ensuring optimal performance and user satisfaction.

A key characteristic of both ADTRAN Express XL and XLT is their energy efficiency. Designed to minimize operational costs, these units use power-saving technologies that reduce energy consumption without compromising performance. Furthermore, they include built-in support for network functions virtualization (NFV) and software-defined networking (SDN), providing operators with the agility to adapt their networks in response to changing market conditions.

In addition to their advanced technological underpinnings, the Express XL and XLT boast an intuitive management interface, simplifying network monitoring and management tasks. They also feature comprehensive telemetry and analytics capabilities that help operators gain insights into network performance, optimize configurations, and troubleshoot potential issues before they affect end users.

Ultimately, the ADTRAN Express XL and Express XLT are pivotal components for service providers aiming to deliver high-speed broadband services effectively. With their blend of flexibility, scalability, and energy efficiency, these access platforms are well-positioned to meet the current and future demands of telecommunications networks worldwide.