T
T1X1.

A subcommittee within ANSI that specifies SONET optical interface rates and formats.

TARP (TID Address Resolution Protocol).

This is used on an NE-NE interface when there is a need to translate the TID of TL-1 messages to the CLNP address (network service access point [NSAP]) of an NE. The protocol would typically be used by a GNE in a TL-1/X.25 network that needs to map TIDS to NSAPs in a subtending network.

TDM (time-division multiplexing).

A method for transmitting multiple calls over a single line; each call is assigned a recurring time slot on the line, and a small portion of that call gets transmitted over the line each time its assigned time slot is available.

timing recovery-clock recovery.

The extraction of clock information from ...

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