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SFP Modules Training

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What is a SFP Module?

• The small form-factor pluggable (SFP) is a compact, hot-pluggable network interface module used for both telecommunication and data communications applications.

• These SFP Transceiver modules NV-GLC-SX-MMD, NV-GLC-LH-SMD, NV-GLC-EX-SMD, NV-SFP-RJ45, and the NV-SFP-10G-SR-LC are hot-pluggable devices and therefore there is no need to power down the Switch when installing or removing these modules.

• SFP+ - SFP+ is an updated version that supports higher speeds up to 10Gbps.

When to recommend?• If the customer is running only Ethernet cable for our Flex-10G switch, then

we should recommend the NV-SFP-RJ45.• For a max bandwidth of 10Gb/s on our Flex-10G, the

NV-SFP-10G-SR-LC should be recommended.• For Fiber cabling of speed up to 1Gb/s, any of the below can be

recommended based on the distance and the mode – Single/Multi.• NV-GLC-SX-MMD, NV-GLC-LH-SMD, NV-GLC-EX-SMD• NVT Phybridge modules should be positioned whenever possible as they

are fully tested and compatible with our products. Third party modules should work just fine, but we KNOW these 100% work without an issue.

MMF vs SMF

• MMF - Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus.

• Multi-mode fiber has a large core diameter that enables multiple light modes to be propagated and limits the maximum length of a transmission link because of modal dispersion.

• SMF - Single-mode Fiber is a type of optical fiber mostly used for communication over long distances.

• Single-mode fiber (SMF) has much tighter tolerances for optics used. The core is smaller, and the laser wavelength is narrower.

NV-GLC-SX-MMD

• Speed: 1.25 Gb/s• Wavelength: 850nm VCSEL• Distance: up to 550m on 50/125μm MMF• Operating temperature: 0°C to 70°C (32°F to 158°F)Used in Multi-mode fiber,

where the max. distance is within 550m.

NV-GLC-LH-SMD

• Speed: 1.25 Gb/s• Wavelength: 1310nm FP• Distance: up to 20km on 9/125μm SMF• Operating temperature: 0°C to 70°C (32°F to 158°F)Used in Single-mode fiber, has a reach of around 20km.

NV-GLC-EX-SMD

• Speed: 1.25 Gb/s• Wavelength: 1310nm DFB• Distance: up to 40km on 9/125μm SMF• Operating temperature: 0°C to 70°C (32°F to 158°F)Used in Single-mode fiber, has a reach of around 40km

NV-SFP-RJ45

• Speed: 1.25 Gb/s• Rate category: 10/100/1000 Base• Distance: up to 100m• Operating temperature: 0°C to 70°C (32°F to 158°F)

NV-SFP-10G-SR-LC• Speed: 10 Gb/s• Wavelength: 850nm DFB• Distance: up to 300m on 50/125μm MMF• Operating temperature: 0°C to 70°C (32°F to 158°F).

Used in Multi-mode fiber, where the max. distance is within 300m.

This is a SFP+ module and is compatible only with our FLEX-10G (as other chariot switches do not support 10Gb/s).

Electrostatic Discharge Sensitivity (ESD)

• The SFP Transceivers are ESD sensitive devices. Always use an ESD wrist strap when installing these devices.

• Only trained, qualified service personnel shall install or maintain these devices.

Technical Support

• The NVT Phybridge Technical Support Group is available to assist you with product installation, configuration and troubleshooting procedures. Should you experience trouble with this equipment or for repair or warranty information, please contact NVT Phybridge at +1 905.901.3633 or support@nvtphybridge.com

Thank you