Channelized Line Cards (Clc And Clc2) - Cisco ASR 5000 series Product Overview

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▀ ASR 5000 Line Cards

Line Card Label—Identifies the type of SFP modules and cabling supported:

Channelized Line Cards (CLC and CLC2)

There are two types of Channelized STM-1/OC-3 optical fiber line cards. Often referred to as the CLC, CLC2, or Frame

Relay line card, they provide frame relay over SONET or SDH. The CLC/CLC2 supports network connectivity through

a Gb interface to connect to the Packet Control Unit (PCU) of the base station subsystem (BSS). These interfaces are

commonly used with our SGSN products to provide frame relay.

Channelized Line Card (CLC)

In North America, the card supplies ANSI SONET STS-3 (optical OC-3) signaling. In Europe, the card supplies SDH

STM-1 (optical OC-3). The transmission rate for the card is 155.52 Mb/s with 84 SONET channels supplying T1 and 63

SDH channels supplying E1.

Each CLC provides one optical fiber physical interface (port). The port is populated by a Small Form-factor Pluggable

(SFP) module which includes an LC-type connector. The port of the CLC supports two types of SFP modules and

cabling, as shown in the following table.

Channelized Line Card 2 (CLC2)

In North America, the card supplies ANSI SONET STS-3 (optical OC-3) signaling. In Europe, the card supplies SDH

STM-1 (optical OC-3). The transmission rate for the card is 155.52 Mb/s with 336 SONET channels supplying T1 and

252 SDH channels supplying E1. The CLC2 is RoHs 6/6 compliant.

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