Preface

This preface describes the objectives and organization of this document and explains how to find additional information on related products and services. This preface contains the following sections:

Document Revision History, page v

Objectives, page v

Organization, page vi

Related Documentation, page vi

Obtaining Documentation, Obtaining Support, and Security Guidelines, page vii

Document Revision History

The Document Revision History table below, beginning with version OL-3521-02, records technical changes to this document.

Document Version

Date

Change Summary

 

 

 

OL-3521-02

April, 2007

Restructured to parallel other port adapter

 

 

documentation.

 

 

 

Objectives

This configuration note describes how to install and configure the four-port Basic Rate Interface (BRI) Integrated Services Digital Network (ISDN) port adapter (PA-4B-U), hereafter referred to as the PA-4B-U, in the following platforms:

Cisco 7100 series routers—which consist of the Cisco 7120 series and Cisco 7140 series

Cisco 7200 series routers and Cisco 7200 VXR routers—which consist of the two-slot Cisco 7202, the four-slot Cisco 7204 and Cisco 7204VXR, and the six-slot Cisco 7206 and Cisco 7206VXR).

Cisco 7301 router—which consists of a single-slot, one rack unit (RU) router

For complete descriptions of interface subcommands and the configuration options available for Cisco 7100 series routers, Cisco 7200 series routers, Cisco 7200 VXR routers, and the Cisco 7301 router, which support the PA-4B-U functionality, refer to the appropriate software configuration publication listed in the section “Related Documentation” section on page vi .

PA-4B-U Basic Rate Interface Port Adapter Installation and Configuration

 

OL-3521-02

v

 

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Cisco Systems PA-4B-U manual Document Revision History, Objectives

PA-4B-U specifications

Cisco Systems PA-4B-U is a high-performance modular interface card designed for use with Cisco routers, facilitating enhanced connectivity and flexibility within networking environments. This advanced interface card is specifically engineered to support a multitude of applications, making it an ideal choice for enterprises that require reliable and efficient network solutions.

One of the standout features of the PA-4B-U is its capability to accommodate four T1/E1 connections. This allows organizations to utilize multiple lines for improved redundancy and increased bandwidth, essential for handling the growing demands of modern data communications. The card supports both channelized and unchannelized configurations, offering versatility in how bandwidth is allocated and managed, which is crucial for businesses that require scalable solutions.

In terms of technology, the PA-4B-U is built with Cisco's renowned quality and innovation. It integrates seamlessly with Cisco’s IOS software, enabling advanced features such as intelligent traffic handling, advanced security measures, and comprehensive monitoring capabilities. This integration allows for efficient network management, ensuring that administrators can maintain optimal performance while also mitigating potential threats.

Another key characteristic of the PA-4B-U is its robustness and reliability. Designed for high availability, the card can operate in various environmental conditions, making it suitable for deployment in diverse physical locations. Its modular design also means that organizations can easily expand their network capabilities by adding or replacing cards as needed, without significant downtime or disruption.

Furthermore, the PA-4B-U supports advanced error correction and performance monitoring. This feature is essential in maintaining high-quality voice and data transmission, particularly in environments where reliability is critical, such as in VoIP services or mission-critical applications.

Overall, Cisco Systems PA-4B-U represents a blend of performance, flexibility, and advanced technology, making it a worthwhile investment for businesses looking to enhance their networking capabilities. Its ability to scale, paired with robust features and exceptional reliability, positions the PA-4B-U as a vital component in modern network infrastructures. As enterprises continue to navigate the complexities of digital transformation, solutions like the PA-4B-U will be integral in supporting their connectivity needs.