Chapter 1 PA-POS-1OC3 Overview

Features

The following references discuss concepts and specifications of POS and PPP:

Simpson, W, Editor, The Point-to-Point Protocol (PPP), RFC 1548, Daydreamer, December 1993.

Simpson, W, Editor, PPP in HDLC -like Framing, RFC 1662, Daydreamer, July 1994.

Simpson, W, Editor, PPP over SONET/SDH, RFC 1619, May 1995.

American National Standard for Telecommunications - Digital Hierarchy - Optical Interface Rates and Formats Specification, ANSI T1.105-1991.

American National Standard for Telecommunications - Synchronous Optical Network (SONET) Payload Mappings, ANSI T1.105.02-1993 draft.

ITU-T Recommendation G.707, Synchronous Digital Hierarchy Bit Rates, June 1992.

Features

The PA-POS-1OC3 features include:

Single-port Packet-over-SONET capabilities with a single-width port adapter

Single product ID (PA-POS-1OC3), with configuration options for small form-factor pluggable (SFP) optic modules:

POM-OC3-MM (short range, multimode fiber)

POM-OC3-SMIR (intermediate range, single-mode fiber)

POM-OC3-SMLR (long range, single-mode fiber)

Field-replaceable SFP optic modules

Automatic protection switching (APS)

Supports network processing and switching engines—NPE-400, NPE-G1, NSE-1 on the Cisco 7200 VXR platform

Online insertion and removal (OIR) allowing you to remove, add, or replace a PA-POS-1OC3 when the system is online

Standards-compliant SONET/SDH interface; SONET/STS-3c and SDH/STM-1 framing and signaling overhead

Full-duplex operation at 155 Mbps (half-duplex operation is not supported)

Self-synchronous x^43+1 scrambling and descrambling of packets

Support for 16- and 32-bit cyclic redundancy checking (CRC-16 and CRC-32)

Single-mode or multimode fiber-optic cables capability

For information on the single-mode and multimode cables to use with the Cisco PA-POS-1OC3 port adapter, see the “Cables and Connectors” section on page 1-7.

PA-POS-1OC3 Single-Port Port Adapter Installation and Configuration Guide

 

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Cisco Systems PA-POS-1OC3, PA-POS-2OC3 manual Features

PA-POS-1OC3, PA-POS-2OC3 specifications

Cisco Systems has long been at the forefront of networking technology, providing solutions that empower organizations to enhance their connectivity and communication capabilities. Among its impressive lineup, the PA-POS-2OC3 and PA-POS-1OC3 modules stand out as significant components designed to optimize performance in service provider and enterprise environments.

The PA-POS-2OC3 and PA-POS-1OC3 modules are designed for use with the Cisco 7600 Series routers and are tailored for Packet Over SONET (POS) transport. Supporting the OC-3 speed of 155.52 Mbps, these modules provide reliable high-speed connectivity, enabling organizations to efficiently manage data traffic and ensure rapid data transfer across their networks. The PA-POS-2OC3 offers dual OC-3 capabilities, allowing for higher aggregate bandwidth and redundancy options, making it common in demanding network environments.

One of the main features of the PA-POS-2OC3 and PA-POS-1OC3 is their enhanced support for advanced networking protocols, including MPLS (Multiprotocol Label Switching). MPLS facilitates efficient data routing and improves bandwidth utilization by enabling multiple types of traffic to be consolidated over a single network. This is crucial for organizations looking to deploy services like VoIP, video conferencing, and other bandwidth-intensive applications.

The modules also offer robust error correction and monitoring capabilities, which are essential for maintaining service quality in mission-critical applications. Administrators can monitor performance and diagnose issues in real-time, enabling swift responses to potential concerns that could disrupt service.

Moreover, the PA-POS-2OC3 and PA-POS-1OC3 are designed with features that support enterprise-grade security and scalability. This is particularly beneficial for organizations expecting growth or requiring enhanced protection for sensitive data as it traverses the network.

In summary, Cisco's PA-POS-2OC3 and PA-POS-1OC3 modules represent essential building blocks for high-speed networking solutions. Their support for OC-3 connectivity, advanced routing protocols, and robust monitoring capabilities make them ideal for both service providers and enterprises. Through increased scalability, improved bandwidth management, and enhanced security, these modules allow organizations to adapt to the ever-evolving landscape of data communications effectively. With Cisco at the helm, businesses can trust in a networking solution that not only meets current demands but is also primed for future growth.