The Cisco 1-Port Channelized STM-1/OC-3 Shared Port Adapter, part number SPA-1XOC12-ATM, is a high-performance expansion module designed for Cisco systems. This adapter supports connection to ATM networks and can be deployed in various environments requiring robust and reliable data transfer. The adapter includes one port capable of handling STM-1 and OC-3 connections, which allows networking professionals to channelise STM-1 or OC-3 to deliver multiple lower-rate services over a single line, ensuring optimal network utilisation.
As part of the Shared Port Adapter series, the module integrates seamlessly into Cisco devices that feature the SPA interface, contributing to flexible installations. The hardware is designed for environments where high-speed fibre optic communication and packet transfers over ATM (Asynchronous Transfer Mode) are required, benefiting services such as telecommunication backbones and Internet Service Providers.
The module delivers a data rate of 155.52 Mbps for STM-1 or OC-3 networks, making it suitable for scenarios where high data throughput and high service reliability are mandatory. Furthermore, this adapter supports key features such as OAM (Operation, Administration, and Maintenance) capabilities, ensuring it maintains high performance and reliability during operation.
In terms of connection, the physical interface on the module provides a single fibre optic port for attachment to STM-1 or OC-3 networks. High-performance fibre connectors ensure data integrity and maximised signal quality. The port lends itself to flexible network designs and can accommodate a wide array of customer premises equipment (CPE) deployments.
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