Transceiver multimode SFP 850nm 4.25G
Cisco -SFP-4G- Compatible 4G Fiber Channel SFP Transceiver Module (MMF, 850nm, 550m, LC, DOM)
Support Digital Diagnostic Monitoring interface
HTF’HTSF-M4G85Mx Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA), The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the VCSEL laser and the PIN photo-detector .The module data link up to 550m in 50/125um multi-mode fiber.
Transceiver multimode SFP 850nm 4.25G
Question：What are CWDM, DWDM, SFP and GBIC used for? What kind of company buys them?
Answer：First, CWDM (Coarse wavelength division multiplexing) and DWDM (Dense wavelength division multiplexing) are 2 kinds of technology, compared with single wavelength technology. They are used in optical network because it saves cost.
SFP and GBIC are transceiver modules. They are used to connect switches and cables. There are slots on the switches. SFP can be inserted and removed according to different demand.
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