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Cisco 12000 Series Gigabit Switch Router Channelized OC-12 Line CardIncreasing Need for High-Speed Dedicated Access to the InternetThe Internet is rapidly becoming an electronic agent for commerce, entertainment, communication, and...
Cisco 12000 Series Gigabit Switch Router Channelized OC-12 Line Card
Increasing Need for High-Speed Dedicated Access to the Internet

The Internet is rapidly becoming an electronic agent for commerce, entertainment, communication, and information retri

Cisco 12000 Series Gigabit Switch Router Channelized OC-12 Line Card




Increasing Need for High-Speed Dedicated Access to the Internet


The Internet is rapidly becoming an electronic agent for commerce, entertainment, communication, and information retrieval. At the same time, new network-enabled intranet applications and powerful desktop computers are driving an exponential increase in network traffic. Its increasing popularity has forced several carriers, competitive local exchange carriers (CLECs), and Internet service providers (ISPs) to offer high-speed dedicated access. Currently the two most popular dedicated access connections are DS0 (transmission speed of 56 kbps) and T1 (transmission speed of 1.544 Mbps).


Many businesses that use these types of connections to gain access to the Internet are experiencing strains in throughput and slow response times. Network designers are searching for a new networking solution that can satisfy the ever-increasing need for bandwidth and transmission capacity. As a result of this emerging demand, carriers, CLECs, and ISPs are now offering DS3 (45 Mbps) dedicated access connections.


Anticipating these trends, Cisco Systems has responded by developing a channelized OC-12 (CHOC-12/DS3) line card; it is designed to simplify the deployment of DS3 services. The CHOC-12/DS3 line card provides up to 12 DS3 channels over a single optical interface.


First Router-Based Channelized Optical Interface


As part of Cisco's "optical Internet" vision, the CHOC-12/DS3 provides the following benefits:




  • Cost reduction—Expensive cables, DS3 equipment, and in some cases Frame Relay switching equipment can be removed from core networking sites.

  • Simplified DS3 deployment—A simple optical fiber replaces a complex maze of cables and equipment.

  • Easier management—With the reduction in equipment, DS3 deployment will be easier and more efficient.

  • Improved network availability and reliability—The card reduces the possibility of failure because it supports Synchronous Optical Network (SONET) automatic protection switching (APS) and reduces the amount of equipment required.

  • Investment protection—The CHOC-12/DS3 is compatible with the products of many of the leading DS3 data service unit/channel service unit (DSU/CSU) and Frame Relay equipment vendors.



We prefer to ship UPS or FedEx, we also can ship DHL or US Postal Service. We can usually have it to your location overnight if needed. Additional Fee(s) may apply for special shipping. All equipment will ship from our warehouse located at our office in Springfield, MO. We can also ship overseas if needed and we only charge exact shipping costs. For most customers outside the USA and Canada, wire transfer is the only form of payment we will accept. Overseas customers can either arrange to have the equipment picked up in the USA or we will ship to your location by FedEx. We can also ship to a freight forwarder here in the USA. The purchaser will be required to pay for taxes and duties through customs in your home country.
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