ort module level "N" (N can be 1, 4, 16, etc.) SyncE synchronous Ethernet-a set of ITU-T standards T-BC-A Telecom Boundary Clock-Assisted T-BC-P Telecom Boundary Clock-Partial support Telecom Boundary Clock Telecom Grandmaster T-TC-P Telecom Transparent Clock-Partial support Telecom Transparent Clock T-TSC-A Telecom Time Slave Clock-Assisted T-TSC-P Telecom Time Slave Clock-Partial support T-TSC Telecom Time Slave Clock timing advance 1.544-Mbps signal (SONET) time as a service time alignment error Temps Atomique International transparent clock Transmission Control Protocol temperature-compensated crystal oscillator TD-SCDMA time-division synchronous code-division multiple access time division duplex time deviation time-division multiplexing time-division multiple access time error TESLA Timed Efficient Stream Loss-tolerant Authentication Task Group TICTOC Timing over IP Connection and Transfer of Clock (Working Group) time interval error Telecom Infra Project Transport Layer Security type, length, value threaded Neill-Concelman (connector) time of day technical report Telecommunication Standardization Advisory Group Telecommunication Standardization Bureau TSDSI Telecommunications Standards Development Society, India technical specification group time-sensitive networking timestamping unit Telecommunications Technology Association (South Korea) Telecommunication Technology Committee (Japan) Time to Live (from IP) television transmission u-Blox UDP/IP User Datagram Protocol/Internet protocol User Datagram Protocol user equipment UHDTV ultra-high definition television unit interval unit interval, peak-to-peak uplink Universal Mobile Telecommunications System user-network interface (from the MEF) User Plane Function UpPTS uplink pilot time slot Uniform Resource Identifier uRLLC ultra-reliable and low-latency communications United States Naval Observatory universal time UTC(k) Coordinated Universal Time at laboratory k Coordinated Universal Time unshielded twisted-pair ITU-T specification for differential data commu