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3Com 3CSFP91 module descriptions
This 3Com compliant 3CSFP91 is a 1000BASE-SX SFP 850nm 550m transceiver module. The 3CSFP91 transceiver module provides a low cost high-performance connection. The 3CSFP91 is 100% compatible with all 3Com series switches and modules which support SFP transceivers.
3Com 3CSFP91 transceiver specs
Form Factor: SFP
Device Type: Transceiver module
Interface (Bus) Type: Plug-in module
Connectivity Technology: Wired
Data Transfer Rate: 1Gbps
Max Distance: 550m
Fiber Type: MMF
Connector: Duplex LC
DDM: Without DDM
Operating Temperature: 0~70 °C
Compliant with MSA SFP Specification
A fiber optic transceiver is a device used to transmit and receive optical signals in a optical network. Optical transceiver facilitates bi-directional data transmissions between electronic devices (e.g., computer, input/output system, peripheral device, or switch) and optical data links in fiber optic systems. Fiber optic transceivers can interface with single mode and multimode fiber cable. Single mode is an optical fiber that will allow only one mode to propagate. The fiber has a very small core diameter of approximately 8 µm. It permits signal transmission at extremely high bandwidth and allows very long transmission distances. Multimode describes a fiber optic cable, which supports the propagation of multiple modes. Multimode fiber may have a typical core diameter of 50 to 100 µm with a refractive index that is graded or stepped. It allows the use of inexpensive LED light sources and connector alignment and coupling is less critical than single mode fiber. Distances of transmission and transmission bandwidth are less than with single mode fiber due to dispersion.
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