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  2. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    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

  3. Bell 103 - Wikipedia

    en.wikipedia.org/wiki/Bell_103_modem

    The Bell DataPhone 300 used the same protocol as the Bell 103. This modem is from 1978. 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.

  4. Tanzania Telecommunications Corporation - Wikipedia

    en.wikipedia.org/wiki/Tanzania...

    With increased domestic competition and poor management the government decided to privatise the company. The partial privatisation of TTCL began on 23 February 2001, with Celtel International (previously known as MSI Cellular) headquartered in Amsterdam, Netherlands, together with the German firm Detecon, obtained 35% shares from the Government of Tanzania.

  5. List of keyboard switches - Wikipedia

    en.wikipedia.org/wiki/List_of_keyboard_switches

    Download as PDF; Printable version; In other projects ... [3] Cherry MX Brown: Tactile: 0.45 N: 0.55 N: ... Key stroke lifespan Drop x Invyr Kailh

  6. Practising School Yangon Institute of Education - Wikipedia

    en.wikipedia.org/wiki/Practising_School_Yangon...

    TTC Yangon has been completely transferred in 2021. TTC has one campus: Pyay Road (in Kamayut Township) campus. Kamayut campus is 25.7 acres (104,000 m 2) wide, and is the main site of the school, housing much of the school's original pre-war buildings. TTC Kamayut Campus is different to other schools'campuses for their university-like locations.

  7. Tetrazolium chloride - Wikipedia

    en.wikipedia.org/wiki/Tetrazolium_chloride

    Triphenyl tetrazolium chloride (TTC), or simply tetrazolium chloride (with the formula 2,3,5-triphenyl-2H-tetrazolium chloride) is a redox indicator commonly used in biochemical experiments especially to indicate cellular respiration. It is a white crystalline powder, soluble in water, ethanol and acetone but insoluble in ether.

  8. Technical Teachers' Training College - Wikipedia

    en.wikipedia.org/wiki/Technical_Teachers...

    The establishment of the Technical Teachers Training College (TTTC) dates back to 1960 as the teachers’ wing of the Dhaka Polytechnic Institute. It underwent rapid growth and development and in 1964 emerged as a separate college called the Technical Education College (TEC). In 1967 the college was renamed the Technical Teachers Training College.

  9. Toronto Transit Commission personnel - Wikipedia

    en.wikipedia.org/wiki/Toronto_Transit_Commission...

    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 ...