En Alcatel 1662 SM is a high-density, carrier-class SDH/SONET multiservice transport platform designed to deliver reliable and scalable connectivity across metro and regional networks. Purpose-built for environments requiring both high-capacity and service flexibility, it provides seamless transport for legacy TDM services alongside emerging Ethernet and packet-based applications.
With support for STM-1/4/16/64 and equivalent SONET rates (OC-3/12/48/192), the 1662 SM enables efficient grooming and aggregation of traffic, offering powerful cross-connect capabilities and integrated protection mechanisms to ensure high availability. Its modular architecture allows operators to scale bandwidth and service types as needed, making it ideal for converged network environments handling mobile backhaul, enterprise access, and backbone aggregation.
The 1662 SM also features a robust set of Ethernet over SDH capabilities—including GFP, VCAT, and LCAS—enabling operators to deliver cost-effective Ethernet services over traditional transport infrastructure. Combined with advanced traffic management, synchronization support, and compatibility with DWDM systems, it serves as a future-proof solution for evolving network demands.
Carritech supports the Alcatel 1662 SM with a full range of services, including spare part supply, repairs, and technical support, helping operators maintain and extend the value of their network investments. With proven field reliability and global deployment, the 1662 SM continues to be a trusted platform in modern optical transport networks.
High-Density SDH/SONET Transport
Supports STM-1/4/16/64 (OC-3/12/48/192) interfaces for flexible deployment across metro and regional networks.
Advanced Cross-Connect Capabilities
Fully non-blocking matrix for high-order (VC-4/STS-1) and low-order (VC-12/VT) grooming, enabling efficient traffic aggregation.
Integrated Packet and TDM Services
Delivers legacy TDM services alongside Ethernet, MPLS, and RPR traffic on a single converged platform.
Comprehensive Ethernet over SDH Support
Features GFP, VCAT, and LCAS for efficient and scalable Ethernet service delivery over SDH/SONET networks.
DWDM Ready
Native colored optical interfaces allow seamless integration with DWDM backbone systems.
Carrier-Grade Protection
Built-in SNCP, MSP 1+1, and ring protection mechanisms ensure maximum uptime and service continuity.
Wide Interface Support
Supports E1, T1, E3, DS3, Fast Ethernet, Gigabit Ethernet, Fibre Channel, ESCON, and other client interfaces.
Synchronization and Timing Accuracy
Full compliance with SSM standards for reliable network-wide timing distribution.
Scalable Modular Design
Slot-based chassis architecture allows in-service upgrades and flexible capacity growth.
Centralized Network Management
Compatible with Alcatel-Lucent 1350 OMS for remote provisioning, monitoring, and diagnostics.
Carritech Global Support
Fully supported by Carritech’s spares, repairs, and technical consultancy services to extend network lifecycle.
En Alcatel 1662 SM is a compact yet powerful multiservice synchronous transport platform designed to operate in both SDH and SONET environments. It supports optical interfaces ranging from STM-1 to STM-64 (equivalent to OC-3 to OC-192), making it suitable for deployment in access, metro, and regional core networks. The system offers a fully non-blocking cross-connect matrix that enables efficient grooming of both high-order and low-order signals—up to VC-4/STS-1 and VC-12/VT levels respectively—ensuring maximum bandwidth utilization across the network.
The platform supports a broad range of tributary interfaces including E1, T1, E3, DS3, Fast Ethernet, Gigabit Ethernet, and storage interfaces such as Fibre Channel, ESCON, and FICON. Its modular chassis design allows hot-swappable interface cards, enabling flexible service configurations and in-service upgrades without impacting existing traffic.
A key feature of the 1662 SM is its ability to transport Ethernet services over SDH/SONET using industry-standard technologies like Generic Framing Procedure (GFP), Virtual Concatenation (VCAT), and Link Capacity Adjustment Scheme (LCAS). This makes it an ideal solution for operators transitioning to packet-based services while still relying on a traditional transport backbone.
Synchronization is handled via internal or external timing sources, with full support for Synchronization Status Messaging (SSM), ensuring accurate and reliable timing across the network. The system also includes built-in protection mechanisms such as SNCP, MSP 1+1, and various ring protection topologies to guarantee service continuity.
Power is supplied through dual redundant -48V DC inputs, with passive cooling and standard ETSI-compliant rack mounting options. The platform is designed for high reliability in telecom environments and is fully manageable via the Alcatel-Lucent 1350 Optical Management Suite (OMS), which supports SNMP, CLI, and graphical interfaces for remote configuration, fault detection, and performance monitoring.
| Period | Owner / Marketer | Notes |
|---|---|---|
| Late 2000s – 2006 | Alcatel | Developed and released under Alcatel as the 1662 SMC—a compact STM‑4/16 multiservice platform designed for metro‑edge networks. |
| 2006 – 2016 | Alcatel‑Lucent | Following the Alcatel‑Lucent merger, the 1662 SMC continued to be marketed and supported as part of the OMSN legacy portfolio. |
| 2016 – Present | Nokia | Since Nokia’s acquisition of Alcatel‑Lucent in 2016, support, documentation, and spare parts for the 1662 SMC have been maintained under Nokia’s legacy product suite. |
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