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Cisco ESR-4OC3-CHSTM1 4-Port OC3 STM-1/SDH Line Card

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Cisco 10000 Series 4-port OC3 STM-1/SDH line card for single-mode fiber connectivity, designed for carrier-grade WAN and service-provider networking applications.

OVERVIEW

  • The Cisco ESR-4OC3-CHSTM1 is a 4-port OC3/STM-1 SDH line card designed for the Cisco 10000 Series platform. It provides multiple optical interfaces for service-provider and carrier WAN environments using single-mode fiber connectivity.
  • For B2B buyers, this product is relevant to network infrastructure deployments requiring OC3/STM-1 connectivity, SDH transport integration, and scalable optical WAN interfaces.

USE CASES

  • Service-provider WAN infrastructure
  • Carrier network connectivity
  • OC3/STM-1 optical transport deployments
  • SDH-based network environments
  • Single-mode fiber WAN connections
  • Legacy network modernization and expansion
  • Replacement or expansion of compatible Cisco 10000 Series line cards
  • Network maintenance and infrastructure spares

KEY FEATURES

  • 4-port OC3/STM-1 connectivity
  • Designed for Cisco 10000 Series platforms
  • Supports SDH optical networking
  • Single-mode fiber connectivity
  • Suitable for carrier and service-provider environments
  • Useful for network expansion, replacement, and spare inventory
  • Designed for high-density optical WAN connectivity

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Manufacturer: Cisco
  • Part Number / SKU: ESR-4OC3-CHSTM1
  • Product Type: Optical WAN Line Card
  • Platform: Cisco 10000 Series
  • Port Count: 4
  • Interface: OC3 / STM-1
  • Network Standard: SDH
  • Fiber Type: Single-Mode Fiber
  • Application: Carrier / Service Provider WAN
  • Connectivity: Optical
  • Product Category: Cisco Network Line Card

WHY CHOOSE THE MODEL?

  • The Cisco ESR-4OC3-CHSTM1 is a practical choice for organizations maintaining Cisco 10000 Series infrastructure that require additional OC3/STM-1 optical capacity or a replacement line card.

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