Nortel 25UTM00750GWB STM-1 Electrical Aggregate Board
Price not specified

Nortel 25UTM00750GWB STM-1 Electrical Aggregate Board

Escribe una opinión
25UTM00750GWB
Descripción
The Nortel 25UTM00750GWB is a high-performance STM-1 (Synchronous Transport Module level-1) electrical aggregate board designed for Synchronous Digital Hierarchy (SDH) transport platforms. This module provides a standardized 155.52 Mbps electrical interface, typically utilizing CMI (Coded Mark Inversion) line coding over 75-ohm coaxial cabling. It serves as a primary aggregate or uplink interface, responsible for multiplexing multiple lower-order tributaries (such as E1 or E3 signals) into a high-speed SDH bitstream for transmission across the core or metro network.The board is engineered for carrier-grade reliability, supporting both terminal multiplexer (TM) and add-drop multiplexer (ADM) configurations. It features integrated clock recovery and synchronization circuitry to ensure precise timing alignment across the network, adhering to ITU-T G.813 and G.825 standards. The 25UTM00750GWB includes comprehensive performance monitoring for Section and Path overheads (RSOH/MSOH), allowing for real-time tracking of Bit Error Rate (BER) and signal quality. It supports hardware-level redundancy, such as Multiplex Section Protection (MSP), and is fully hot-swappable to ensure continuous service availability during maintenance. The module interfaces with the system's cross-connect fabric to facilitate flexible grooming and routing of individual virtual containers (VCs) within the STM-1 payload.
Características
Equipment Type:
Line Card
Equipment Type:
Brand:
Nortel Networks
Original product:
Delivery period:
Price not specified