Glossary

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There are currently 9 terms in this directory beginning with the letter T.
Tail End Module
The module opposite to the central head-end. It's usually the remote module that is closer to the end customer.

Telecom
The industry that transmits information (through wire, radio, optical or other mediums) over longer distance. A related, but different industry datacom, which is focused on datacenters.

Terahertz
A frequency unit equal to a trillion Hertz (10^12). It is the frequency unit commonly used for optical signals.
THz

Time Division Multiplexing
A method of transmitting several independent signals over the same medium (such as fiber). Unlike WDM, TDM uses the same wavelength channel and the signals must split that channel and transmit in specific, alternating time slots.

Transceiver
A smaller device that can receive and transmit telecommunications signals. It's usually a smaller version of a transponder.

Transmission Rates
The rate at which information is transmitted over a communications link.

Transponder
A device that can receive and transmit telecommunications signals. It's usually a larger device that needs its own space in a shelf.

Transport Network
The part of the telecommunications network that relays data from one node of the telecom carrier network to another. This in contrast to the access network, which takes the data to the end customer.

Truck Roll
A maintenance / repair visit to a site. Network operators want to minimize truck rolls to minimize their operational expenditure.