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EAX #3; ESU 3072 Line; FW1 (Four Wire 1 Toll Switch) GTD-3 EAX (Toll switch, NOT CCS7 capable although CCIS capable) GTD-5 EAX (Class 5 switch, many in use today, was the primary switch in former GTE exchanges. Now supported by Lucent.) GTD-120 Digital PABX; GTD-1000 Digital PABX; GTD-4600 Digital PABX; OMNI-S1 Digital PABX; OMNI-S2 Digital PABX
The Bell 103 modem or Bell 103 dataset was the second commercial modem for computers, released by AT&T Corporation in 1963. [ 1 ] [ 2 ] It allowed digital data to be transmitted over regular unconditioned telephone lines at a speed of 300 bits per second .
The S series was the rolling stock of light metro used on Line 3 Scarborough, part of the subway system of Toronto, Ontario, Canada.They were built from 1983 to 1986 for the Toronto Transit Commission (TTC) by the Urban Transportation Development Corporation (UTDC) in Millhaven, Ontario.
Contactless ICs that comply with parts 3 and 4 of ISO/IEC 14443-4 Type A with a mask-ROM operating system from NXP. The DES in the name refers to the use of a DES, two-key 3DES, three-key 3DES and AES encryption; while Fire is an acronym for Fast, innovative, reliable, and enhanced.
Newer bored mainline tunnel south of York University station A surface section of Line 1 in the median of Allen Road. The TTC's heavy rail lines – Lines 1, 2, and 4 – are built to the unique Toronto gauge of 4 ft 10 + 7 ⁄ 8 in (1,495 mm), which is the same gauge used on the city's streetcar system.
The Transportation Technology Center (TTC) is a railroad equipment testing and training facility located northeast of Pueblo, Colorado, owned by the Federal Railroad Administration (FRA). It was built in 1971 as the High Speed Ground Test Center ( HSGTC ) for the Department of Transportation (DOT) and its original purpose was to test several ...
In 2011, the provincial government passed the Toronto Transit Commission Labour Disputes Resolution Act (a.k.a. the TTC Act) to prohibit TTC strikes because the TTC was considered to be an essential service. However, in 2023, an Ontario Superior Court judge ruled that the act was unconstitutional as the government failed to show why the TTC is ...
IEC 103 uses FT1.2 (defined in IEC 60870-5-1) for frame format having options of Frame with variable length, Frame with fixed length & single character similar to IEC 101. Single character is used for acknowledgments, fixed length frames are used for commands & variable lengths are used for sending data.