Alcatel 300-0437-906 Rev F DEXCS DMC Module

The Alcatel 300‑0437‑906 Rev F (also designated DEXCS DMC, T1D1L0S) is a digital matrix cross‑connect module used in telecom digital cross‑connect systems (DCS). This card provides flexible switching and grooming of T1/E1 circuits, enabling efficient utilization of transmission capacity in central office and access networks. It is a key component for circuit‑switched network management and optimization.

Overview

The DEXCS DMC module is designed for use in Alcatel digital cross‑connect platforms. It supports full non‑blocking switching of DS0 or DS1 signals, allowing any input timeslot to be routed to any output timeslot. The module includes integrated performance monitoring, alarm handling, and protection switching capabilities. Its modular design allows for easy expansion and maintenance.

Key Features

• Non‑blocking digital matrix switch

• Supports T1 (1.544 Mbps) and E1 (2.048 Mbps) signals

• DS0‑level grooming and cross‑connection

• Built‑in performance monitoring (ES, SES, UAS)

• 1+1 protection switching for critical circuits

• Hot‑swappable for maintenance

• Management via TL1 and SNMP

Technical Specifications

• Switch Capacity: Up to 64×64 T1/E1 equivalents

• Interface: T1/E1 via RJ‑48c or BNC

• Line Code: B8ZS (T1) / HDB3 (E1)

• Framing: SF/ESF (T1) / G.704 (E1)

• Power Consumption: 30 W typical

• Operating Temperature: 0°C to 45°C

• Dimensions: Standard DCS card format

Applications

This module is used in central office digital cross‑connects to manage circuit‑switched traffic, groom sub‑rate services, and provide protection for high‑priority circuits.

Integration and Management

Managed through the DCS system controller, providing circuit provisioning, performance monitoring, and alarm reporting via TL1 or SNMP.

Installation and Maintenance

Install the card into the chassis, connect T1/E1 cables, and configure cross‑connects via software. Routine maintenance includes monitoring error statistics and replacing the card if necessary.

Conclusion

The Alcatel 300‑0437‑906 Rev F DEXCS DMC module provides flexible and reliable T1/E1 circuit switching, essential for efficient telecom network management.