Communications and network equipment reference
How to choose network and communications equipment in simple words: SFP/SFP+/QSFP transceivers, fiber optic cable and twisted pair, switches, PoE, VLAN and radio bridges. Clear descriptions, comparisons and recommendations for building a corporate network, data center and communication sites.
Transceivers and modules
Replaceable SFP, SFP+, QSFP modules for optical and copper channelsSFP module
An SFP module is a compact hot-swappable transceiver that converts the electrical signal of a network...
SFP+ module
An SFP+ module is a hot-swappable 10G transceiver that plugs into switch, server and storage ports and...
QSFP and QSFP28 modules
QSFP is a compact transceiver with four transmission channels providing 40G (QSFP+) and 100G (QSFP28)...
Cables and transmission media
Fiber optic cable, twisted pair, patch panelsFiber optic cable
Fiber optic cable is a transmission line based on thin glass or plastic fibers that carry data as light...
Twisted pair Cat6 and Cat6a
Twisted pair Cat6/Cat6a is a copper cable of twisted conductors for local area networks with speeds up to...
Patch panel
A patch panel is a passive device in a wiring cabinet where SCS cables are terminated and which organizes...
Switches and active equipment
Switches, media converters and active network equipmentNetwork switch
A network switch is a device that connects computers, servers and devices into a local area network and...
Media converter
A media converter is a compact device that converts a signal from one transmission medium to another, for...
Standards and speeds
PoE, 1G/10G/100G data rates and network standardsPoE (Power over Ethernet)
PoE (Power over Ethernet) is a technology for delivering power over the same twisted-pair cable that...
Data transfer rates 1G / 10G / 100G
The data transfer rate in a network is measured in gigabits per second (Gbps): 1G for access, 10G for...
Protocols and technologies
VLAN, network segmentation and management technologiesWireless communication
Radio bridges and wireless channels between sitesRadio bridge
A radio bridge (wireless bridge) is a pair of radio devices that create a directional point-to-point...
Wi-Fi access point
A Wi-Fi access point is a network device that provides wireless connection of clients to a local network...
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