Name: ATM CES Port Adapter 4 T1 CES
Brand: Cisco
Availability: InStock

Cisco PA-A2-4T1C-T3AT ATM CES Port Adapter 4 T1 CES

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In Stock: 2
Manufacturer: Cisco
Model or Part: PA-A2-4T1C-T3AT
Condition: Refurbished
Weight: 15.00lb

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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The Cisco PA-A2-4T1C-T3AT ATM CES Port Adapter provides a reliable, high-performance interface for connecting up to four T1 channels to an ATM (Asynchronous Transfer Mode) network. Designed for the Cisco ASR 1000 Series routers and similar platforms, this adapter enables seamless integration of legacy T1 circuits with modern packet-switched environments, delivering low latency and high data integrity for voice, video and data services.

Key Features

Supports four independent T1 connections in a single compact module
Built-in ATM cell processing for efficient CES (Circuit Emulation Service) handling
Plug-and-play installation with standard Cisco chassis mounting hardware
Hot-swap capability reduces downtime during upgrades or maintenance
Full compliance with ITU-T G.703 and G.704 standards for T1 interfaces
Enhanced error detection and correction to maintain service quality

Technical Specifications

Model/Part Number: PA-A2-4T1C-T3AT
Interface Type: 4 x T1 (DS1) CES ports
Data Rate per Port: 1.544 Mbps (full duplex)
ATM Cell Size: 53 bytes (48 byte payload, 5 byte header)
Power Consumption: Typical 8 watts per module
Operating Temperature Range: 0 to 40 degrees Celsius
Dimensions: Standard Cisco line card form factor (2U height)
Connector Type: RJ-48C with standard pinout for T1

Typical Applications

Enterprise voice over ATM networks requiring reliable circuit emulation
Legacy T1 line migration to modern IP/MPLS backbones
Video conferencing and telepresence solutions that depend on low-latency transport
Data center interconnects where CES provides predictable bandwidth allocation
Service provider edge routers delivering hosted voice or video services

This adapter offers a cost-effective bridge between traditional T1 circuits and advanced ATM infrastructures, helping organizations protect existing investments while moving toward higher-speed network architectures.