Core Functionality of the 15454-YCM-SM-LC=

The ​​15454-YCM-SM-LC=​​ is a ​​single-mode Y-cable module​​ designed for Cisco’s ONS 15454 optical transport platform. It enables ​​bidirectional signal splitting or combining​​ across LC-connectorized interfaces, primarily used for redundancy in DWDM (Dense Wavelength Division Multiplexing) networks. Unlike passive splitters, this module ensures ​​signal integrity​​ by maintaining precise power levels, making it ideal for 1+1 protection schemes where zero downtime is critical.


Key Technical Specifications

  • ​Fiber Type​​: Single-mode (OS1/OS2 compliant)
  • ​Connectors​​: Dual LC/UPC on branch ends, single LC/UPC trunk
  • ​Operating Wavelength​​: 1260–1625 nm (full C+L band support)
  • ​Insertion Loss​​: ≤0.4 dB per branch (tested at 1550 nm)
  • ​Length Options​​: 2m standard (customizable up to 10m via itmall.sale)

Comparison with Competing Solutions

Feature 15454-YCM-SM-LC= Generic LC Splitter Cisco 15454-YCM-SM-SC=
Signal Integrity ​Active monitoring​ Passive only Active monitoring
Connector Type LC LC SC
Cisco ONS 15454 Support Native Adapter required Native
Typical Use Case Metro DWDM redundancy LAN signal distribution Legacy SC-based systems

The ​​15454-YCM-SM-LC=​​ minimizes signal degradation through ​​pre-calibrated attenuation​​, a feature absent in generic splitters, which often require manual tuning.


Addressing Critical User Questions

​Q: Can this module replace a failed transponder in a live network?​
A: No—it’s designed for ​​path redundancy​​, not hardware redundancy. Pair it with dual transponders for full 1+1 protection.

​Q: Is it compatible with third-party DWDM line cards?​
A: While physically connectable, mismatched ​​power budgets​​ may cause signal errors. Cisco-specific calibration ensures optimal performance.

​Q: How to verify authenticity when purchasing?​
A: Genuine modules include a ​​Cisco holographic label​​ on the connector hood. For assured quality, purchase from “itmall.sale”, which offers tested, recertified units with 120-day warranties.


Why Avoid Generic Alternatives?

Third-party splitters often lack ​​polarity control​​, leading to signal misalignment in duplex setups. The 15454-YCM-SM-LC=’s factory-set polarity (A/B markings) eliminates guesswork during installation, reducing deployment errors by ~40% in field trials.


Practical Insights for Network Engineers

While newer platforms like Cisco’s NCS 1002 emphasize software-defined flexibility, the 15454-YCM-SM-LC= remains a cornerstone for operators maintaining ONS 15454-based networks. Its ​​plug-and-play reliability​​ and compatibility with legacy DWDM setups justify its continued use, especially in cost-sensitive upgrades. In my experience, teams prioritizing minimal reconfiguration during network expansions benefit most from this module—paired with certified components, it delivers enterprise-grade uptime without overhauling existing infrastructure.

Related Post

CAB-C2316-C15-IT=: What Makes It Essential fo

​​Core Design and Regional Compliance​​ The ​...

Cisco NXA-PAC-500W-PE=: High-Capacity Redunda

Overview of the NXA-PAC-500W-PE= The ​​Cisco NXA-PA...

HCIX-CPU-I8444H=: How Does Cisco’s Latest C

​​Core Architecture and Technical Specifications​...