Chapter 2: Installation

Table 2-A

Using the Flash-Hook

Calling a second party with an active call.

Flash-hook to place active call on hold and dial new number. Hanging up will terminate the call.

Answering an incoming call with an active call at call waiting.

Flash-hook to place active call on hold and answer incoming call. Hanging up will terminate both calls.

Conferencing Calls.

With an outgoing call on hold, and a second outgoing call active, flash-hook to conference calls. Hanging up will transfer second call.

With an incoming call on hold, and outgoing call active, flash-hook to confer- ence calls. Hanging up will transfer calls.

With two incoming calls (one on hold and one active) flash hook to conference calls. Hanging up transfers calls.

Answering calls on hold, and holding incoming active calls.

Flash-hook places the incoming call on hold and reconnects to outgoing call. Hanging up will terminate both calls.

When connecting to a National ISDN 1 switch, call conferencing and call transferring are assigned a unique feature identifier number. This number may not be the same in all areas. The Configuration/WAN/POTS menu contains the feature identifier numbers for conference and transfer. If these features do not work, contact your ISDN provider. They can determine the numbers for these features that can then be pro- grammed into the Express XL/XLT.

Customer Premises Wiring

Customer premises wiring requirements for the Express XL/XLT vary de- pending on the application and existing wiring. It may be simpler for the ISDN provider to deliver another line to your location. This would eliminate the need to modify existing wiring. Figures 2-1 and 2-2 illustrate two wiring scheme possibilities.

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ADTRAN Express XLT user manual Customer Premises Wiring, Calling a second party with an active call, Conferencing Calls
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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.
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