Signal-converting devices that can be readily connected to and extracted from a data network’s routers, switches, and further hub devices are labeled hot-swappable transceivers. These are unlike transceivers that are internally joined to or soldered together with hubs, making for a permanent link. There are a great number of unique hot-swappable transceiver modules available to create bridges between cables and the main hubs within a network. Not only do such modules interface hubs with both fiber-optic connectors and electrical wire, but with distinct types of said media like Fibre Channel, Gigabit Ethernet, and SONET.
Out of the numerous hot-swappable transceivers on the market are Cisco SFP transceivers. Cisco hub technologies are heavily relied upon in the networking domain, and these models of transceivers are certified to integrate optimally with Cisco hardware, hence the inclusion of the company name in the device name. There are unique subtypes of SFP transceiver sfp optical transceiver, with each sort able to link up a hub device’s mother board with a unique network protocol like one of the types listed above. The format is in widespread use in today’s industry, and is rather good at transmittal and acquisition of data over the broad range of protocols it can handle. Since one SFP interface takes up very little space on the edge of a network device’s motherboard, lots of SFP transceivers can be attached to the hub concurrently. The related GBIC protocol, by contrast, has interfaces that take up more space and therefore allow fewer transceivers to be simultaneously connected to a hub.
Xenpak modules are also often utilized hot-swappable transceivers. Xenpak is made specifically to function maximally with just one protocol, 10 Gigabit Ethernet, as opposed to the more adaptable SFP.
The precise kind of transceiver used in a specific location is of course dependent upon the cabling and hub device at that locale. When making use of hubs with hot-swappable format connective capabilities, though, a network builder will have great flexibility concerning the network build. Without knowing beforehand exactly which connection protocols will be used at various points, you might determine that the network will rely on SFP transceivers and hubs suitable for that format. One SFP transceiver that interfaces properly can quickly be swapped in if protocols for a certain portion of the network change. It is smart to have such a setup for a variety of network that constantly requires hardware updates. If one attempts to use hubs with hard-wired transceivers in these types of networks, they will have to purchase entirely new hubs each time connector changes occur, which can involve prohibitive costs.