| Product Type | Electronic Software License | 
| Product Name | CISCO NCS1K4 License for One QSFP28 Client with Encryption | 
| Manufacturer | Cisco | 
| Manufacturer Part Number | E-NCS1K4-LIC-100X= | 
| License Type | Perpetual | 
| License Quantity | 1 QSFP28 client port | 
| Platform Supported | Cisco NCS 1000 Series (NCS1K4) | 
| Features | Enables encrypted QSFP28 client port on NCS1K4 transponder | 
| Activation Method | Electronic Software Delivery (ESD) | 
| Form Factor | Virtual License (non-physical) | 
| Device Supported | Cisco NCS 1004 | 
| Use Case | Optical encryption for data center interconnects, metro, and enterprise networks | 
| Encryption Support | Yes – Client-side encryption on QSFP28 interface | 
CISCO NCS1K4 Electronic License for One QSFP28 Client with Encryption
 
 

Key Benefits
 
            
            
              
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- Supports encryption on a QSFP28 client, enabling secure 100G optical connections.
- TAA compliance ensures suitability for U.S. government and regulated industry deployments.
- U.S. manufacturing origin aligns with compliance and sourcing requirements for sovereign infrastructure.
Product Overview
The CISCO NCS1K4 electronic license, part number E-NCS1K4-LIC-100X=, enables a QSFP28 client port with encryption capabilities for secure high-speed networking. This software-activated upgrade plays a pivotal role in enhancing optical network security, making it ideal for metro, data center, and enterprise environments. Being TAA-compliant and U.S.-originated, it is suitable for government and security-sensitive deployments that demand both performance and compliance.
Specifications
                      Product Overview
                      
                    
                    
                      Cloud Management & Licensing
                      
                    
                    | License Delivery Method | Electronic (via Cisco Smart Licensing) | 
| Management Tools | Cisco Transport Controller (CTC), Cisco Evolved Programmable Network Manager (EPN-M) | 
| Smart Licensing Enabled | Yes | 
| License Enforcement | Requires Smart Account and product registration | 
                      Compliance & Origin
                      
                    
                    | Country of Origin | United States | 
| TAA Compliance | Yes | 
| RoHS Compliance | Yes | 
| Product Compliance | U.S. Export-Control Compliant | 
| Certifications | ISO 9001, NEBS Level 3 (platform dependent) | 
| Trade Compliance Number (ECCN) | 5D002 (Encryption software) | 
                      Interfaces
                      
                    
                    | Supported Port Type | QSFP28 | 
| Maximum Data Rate | 100 Gbps | 
| Client Interface Support | 100GE and OTU4 (varies by transponder configuration) | 
                      Advanced Security Features
                      
                    
                    | Encryption Mode | MACsec (IEEE 802.1AE) or AES encryption (platform dependent) | 
| Encryption Scope | Per optical client port | 
| Secure Key Management | Yes, via Cisco key exchanges and software tools | 
| Use in Compliance-sensitive Environments | Yes, e.g., government or enterprise deployments | 
                      Physical & Environmental
                      
                    
                    | Hardware Dependency | Requires compatible NCS1K4 transponder hardware | 
| Platform Operating Temperature Range | 0°C to 45°C (32°F to 113°F) | 
| Platform Relative Humidity (Operating) | 5% to 85% (non-condensing) | 
 
               
     
    