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Brand Name : Huawei
Model Number : QSFP-40G-SR4
Certification : CE
Place of Origin : China
Model : QSFP-40G-SR4
Transceiver form factor : QSFP
Transmission speed : 40 Gbit/s
Center wavelength (nm) : 850mm
Optical fiber type : MMF
Cable Distance : 0.1 km
Dimensions : 13.5 x 18.4 x 72.4 mm
Condition : New Factory Sealed
Warranty : 1 year
Shipment : DHL, Fedex, UPS
Payment : T/T, Western Union, Paypal
The 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 | 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 | 40GBASE-SR4 QSFP Module for MMF | 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 | 
| QSFP-40G-SR4 Specification | |
| Description | 40GBASE-SR4 QSFP Module for MMF | 
| Dimensions | 13.5 x 18.4 x 72.4 mm | 
| QSFP Port cabling specifications | |
| 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 | 
| Optical characteristics | |
| Type | 40GBASE-SR4, 4 lanes, 850 nm MMF | 
| Transmit Power (dBm) | Max:-1.0 per lane Min:-7.6 per lane | 
| Receive Power (dBm) | Max:-2.4 per lane Min:-9.5 per lane | 
| Transmit and Receive Wavelength (nm) | 840 to 860 | 
| Environmental conditions | |
| Commercial temperature | 0 to 70°C (32 to 158°F) | 
| Storage temperature | -40 to 85°C (-40 to 185°F) | 
| Regulatory and standards compliance | |
| Standards 
 | •GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable •GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies •GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors •IEEE 802.3ba (-SR4, -LR4) •IEEE 802.3ae (-CSR4) •QSFP+ MSA SFF-8436 •SFP+ MSA SFF-8431 and -8461 •RoHS 6 | 
| Safety 
 
 | •Cable jacket of QSFP copper modules is UL E116441 Compliant •QSFP copper cables are ELV Compliant | 

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