| Type | Optical Transceiver Module | 
| Form Factor | QSFP28 | 
| Data Transfer Rate | 100 Gbps | 
| Transceiver Type | 100GBASE-CWDM4 LITE | 
| Max Transfer Distance | 2 km | 
| Fiber Mode | Single-Mode Fiber (SMF) | 
| Connector Type | LC duplex | 
| Digital Optical Monitoring (DOM) | Supported | 
| Hot Swappable | Yes | 
| Power Consumption | ≤ 3.5 Watts | 
| Weight | Approximately 75 grams | 
Cisco 100GBASE CWDM4 LITE QSFP Transceiver, 2KM, 100Gbps
 
 

Key Benefits
 
            
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- Delivers ultra-fast 100Gbps speeds for bandwidth-intensive networking environments.
- Supports extensive 2KM range over single-mode fiber, ideal for mid-range data center interconnects.
- Form factor and TAA compliance ensure compatibility and suitability for secure IT deployments.
Product Overview
The Cisco 100GBASE CWDM4 LITE QSFP Transceiver, model QSFP-100G-SM-SR=, enables 100Gbps Ethernet connectivity across up to 2 kilometers via single-mode fiber (SMF). Operating within the 1276.1–1331 nm wavelength range, it is housed in a space-efficient QSFP form factor, combining performance with compact design. The module supports a wide temperature range (10–60°C) and meets TAA compliance, making it well-suited for secure government and enterprise networks. With production across multiple countries, it offers sourcing flexibility while delivering robust performance for demanding networking environments.
Specifications
                      Product Overview
                      
                    
                    
                      Physical & Environmental
                      
                    
                    | Dimensions (H x W x D) | 13.9 mm x 18.35 mm x 72.4 mm | 
| Operating Temperature | 10°C to 60°C (50°F to 140°F) | 
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) | 
| Humidity (Operating) | 10% to 85%, non-condensing | 
| Humidity (Storage) | 5% to 95%, non-condensing | 
| Enclosure Type | Metal housing | 
                      Cloud Management & Licensing
                      
                    
                    | Plug and Play Compatibility | Yes | 
| Cisco Network Management Compatibility | Yes – Compatible with Cisco IOS and Cisco DNA Center | 
| Licensing Required | No | 
                      Interfaces
                      
                    
                    | Interface | QSFP28 | 
| Interface Type | Plug-in module | 
| Connector | LC Duplex | 
| Media Type | Optical Fiber | 
| Wave Length | 1276.1 nm – 1331 nm | 
| Ethernet Protocol Support | 100G Ethernet | 
| Transmission Technology | CWDM (Coarse Wavelength Division Multiplexing) | 
                      Compliance & Origin
                      
                    
                    | Country of Origin | China / Malaysia / Taiwan / United States | 
| TAA Compliant | Yes | 
| RoHS Compliant | Yes | 
| EMC Compliance | EMC Directive 2014/30/EU | 
| Safety Standards | IEC 60825-1, 21 CFR 1040.10 and 1040.11 | 
| ISO Certified Manufacturing | Yes | 
| Laser Class | Class 1 | 
                      Advanced Security Features
                      
                    
                    | Secure Hardware ID | Yes | 
| Authentication | EEPROM-based module authentication with Cisco platforms | 
 
               
     
    