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Cisco 2CHOC3/STM1-IR-SC

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Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card
The Cisco 12000 Series Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card provides Cisco 12000 Series Internet Routers support for DS-1/E-1 aggregation. Designed for telcos and Internet service provi

Our Cisco 2CHOC3/STM1-IR-SC pricing includes our standard 1 year advanced replacement warranty.

All Cisco 2CHOC3/STM1-IR-SC products are fully tested before shipping and most products are available for overnight shipping. We stock a large variety of products some new or refurbished and some used.

If you need to buy a Cisco 2CHOC3/STM1-IR-SC or sell a Cisco 2CHOC3/STM1-IR-SC rent or trade this item let us know today, our prices are negotiable on every product, we also will price match other advertised prices if they are in stock with a similar warranty period.

We know that many companies are struggling to reduce I.T. costs, and we feel we are doing our part to help the economy by selling our products at large discounts off the normal list price. Reselling or liquidating used and refurbished, surplus, pre-owned, excess network technology products is just as good as recycling. We will give you a fair price on the

Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card


The Cisco 12000 Series Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card provides Cisco 12000 Series Internet Routers support for DS-1/E-1 aggregation. Designed for telcos and Internet service providers (ISPs), this card supports two OC-3c/STM-1c ports, each of which can be configured with multiple channels of (n)xDS-1, DS-1, fractional DS-1, or DS-0 in a Synchronous Optical Network (SONET) environment or (n)xE-1, E-1, fractional E-1, or 64 kbps in a Synchronous Digital Hierarchy (SDH) environment. Cisco 12000 Series channelized line cards integrate the channel service unit/data service unit (CSU/DSU) function on a per-port basis. In conjunction with other Cisco 12000 Series line cards, a single router in the carrier point of presence (POP) can scale fractional DS-1 to OC-192c in a SONET environment and from fractional E-1 to STM-64c (VC-4-64c) in an SDH environment.

 

Product Description

The Cisco 12000 Series Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card (2-Port CHOC-3) provides advanced DS-1/E-1 aggregation, with two optical connections. Each interface, when configured in SDH framing mode, is capable of supporting channelization into 63 independent E-1 (VC-12 mapping) channels in an SDH configuration. When configured for SONET framing mode, each interface is capable of supporting channelization into 84 independent DS-1 (VT1.5 mapping or CT-3 mapping into STS-1) channels in a SONET configuration. Fractional E-1 and individual 64 kbps channels can also be configured, up to the limit of 105 channel-group definitions per STM-1 (35 per TUG-3). Fractional T-1 and individual DS-0 channels can also be configured, up to the limit of 35 channel-group definitions per STS-1 (210 per line card). Each Cisco 2-Port CHOC-3 Line Card supports up to 126 E-1 connections in an SDH configuration and 168 DS-1 connections in a SONET configuration, or any combination of
DS-0/64 kbps, fractional T-1/E-1, and
T-1/E-1 interface definitions up to 210 channel groups per line card.

The Cisco 2-Port CHOC-3 Line Card supports full class of service (CoS) on each and every interface, including Multilink Point-to-Point Protocol (MLPPP) bundles. Eight CoS queues, along with weighted random early detection (WRED) and modified deficit round robin (MDRR), provide the same CoS for individual serial interfaces as all other Cisco 12000 Series line cards, up to and including the Cisco One-Port OC-192c/STM-64c Packet Over SONET (POS) Line Card. This provides the infrastructure required to enable service providers to provision CoS throughout their entire network, rather than sacrificing this essential capability at the very point (relatively smaller links) where it is needed the most.

.

Call your sales rep for more info 800-974-2352 For Customers Outside the US Call 417-887-7724

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Description

Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card


The Cisco 12000 Series Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card provides Cisco 12000 Series Internet Routers support for DS-1/E-1 aggregation. Designed for telcos and Internet service providers (ISPs), this card supports two OC-3c/STM-1c ports, each of which can be configured with multiple channels of (n)xDS-1, DS-1, fractional DS-1, or DS-0 in a Synchronous Optical Network (SONET) environment or (n)xE-1, E-1, fractional E-1, or 64 kbps in a Synchronous Digital Hierarchy (SDH) environment. Cisco 12000 Series channelized line cards integrate the channel service unit/data service unit (CSU/DSU) function on a per-port basis. In conjunction with other Cisco 12000 Series line cards, a single router in the carrier point of presence (POP) can scale fractional DS-1 to OC-192c in a SONET environment and from fractional E-1 to STM-64c (VC-4-64c) in an SDH environment.

 

Product Description

The Cisco 12000 Series Two-Port Channelized OC-3c/STM-1c (DS1/E1) Line Card (2-Port CHOC-3) provides advanced DS-1/E-1 aggregation, with two optical connections. Each interface, when configured in SDH framing mode, is capable of supporting channelization into 63 independent E-1 (VC-12 mapping) channels in an SDH configuration. When configured for SONET framing mode, each interface is capable of supporting channelization into 84 independent DS-1 (VT1.5 mapping or CT-3 mapping into STS-1) channels in a SONET configuration. Fractional E-1 and individual 64 kbps channels can also be configured, up to the limit of 105 channel-group definitions per STM-1 (35 per TUG-3). Fractional T-1 and individual DS-0 channels can also be configured, up to the limit of 35 channel-group definitions per STS-1 (210 per line card). Each Cisco 2-Port CHOC-3 Line Card supports up to 126 E-1 connections in an SDH configuration and 168 DS-1 connections in a SONET configuration, or any combination of
DS-0/64 kbps, fractional T-1/E-1, and
T-1/E-1 interface definitions up to 210 channel groups per line card.

The Cisco 2-Port CHOC-3 Line Card supports full class of service (CoS) on each and every interface, including Multilink Point-to-Point Protocol (MLPPP) bundles. Eight CoS queues, along with weighted random early detection (WRED) and modified deficit round robin (MDRR), provide the same CoS for individual serial interfaces as all other Cisco 12000 Series line cards, up to and including the Cisco One-Port OC-192c/STM-64c Packet Over SONET (POS) Line Card. This provides the infrastructure required to enable service providers to provision CoS throughout their entire network, rather than sacrificing this essential capability at the very point (relatively smaller links) where it is needed the most.

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