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Brand Name : Cisco
Model Number : QSFP 40G SR4
Certification : CE
Place of Origin : CHINA
Wavelenth : 850nm
payment : TT/LC
Connector type : LC
Discription : Cisco 40GBASE-SR4 QSFP Module for MMF
Cable Type : MMF
Power Consumption (W) : 1.5
Pull Tab Color : Beige
Cable Distance : 30m 100m 150m
Dimensions : 13.5 x 18.4 x 72.4 mm

The Cisco® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing 00networks, enterprise core and distribution layers, and service provider applications.
Table 1 shows the Quick Specs.
| Product Code | QSFP-40G-SR4 | 
| Description | Cisco 40GBASE-SR4 QSFP Module for MMF | 
| Dimensions | 13.5 x 18.4 x 72.4 mm | 
| Wavelength (nm) | 850 | 
| Cable Type | MMF | 
| Core Size (microns) |   			 50.0 50.0 50.0  |   		
| Modal Bandwidth (MHz-km) |   			 500 (OM2) 2000 (OM3) 4700 (OM4)  |   		
| Cable Distance |   			 30m 100m 150m  |   		
| Power Consumption (W) | 1.5 | 
| Pull Tab Color | Beige | 
Features and benefits of Cisco QSFP 40G modules:
•Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port
•Interoperable with other IEEE-compliant 40GBASE interfaces where applicable
•Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability
•High-speed electrical interface compliant to the IEEE 802.3ba standard
•QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA)
Table 2 shows the comparison.
| Product Code | QSFP-40G-SR4 | QSFP-40G-SR4-S= | 
| Description | Cisco 40GBASE-SR4 QSFP Module for MMF | Cisco 40GBASE-SR4 QSFP Module for MMF | 
| Dimensions | 13.5 x 18.4 x 72.4 mm | 13.5 x 18.4 x 72.4 mm | 
| Wavelength (nm) | 850 | 850 | 
| Cable Type | MMF | MMF | 
| Core Size (microns) |   			 50.0 50.0 50.0  |   			  			 50.0 50.0  |   		
| Modal Bandwidth (MHz-km) |   			 500 (OM2) 2000 (OM3) 4700 (OM4)  |   			  			 2000 (OM3) 4700 (OM4)  |   		
| Cable Distance |   			 30m 100m 150m  |   			  			 100m 150m  |   		
| Power Consumption (W) | 1.5 | 1.5 | 
| Pull Tab Color | Beige | Beige | 
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