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  2. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    Data Carrier Detect (DCD) or Carrier Detect (CD) is a control signal present inside an RS-232 serial communications cable that goes between a computer and another device, such as a modem. This signal is a simple "high/low" status bit that is sent from a data communications equipment (DCE) to a data terminal equipment (DTE), i.e., from the modem ...

  3. Data circuit-terminating equipment - Wikipedia

    en.wikipedia.org/wiki/Data_Circuit-Terminating...

    Terminal adapter for X.21 Two data stations (terminals, stations) each comprising a DCE and a DTE, connected via a network.. A data circuit-terminating equipment [1] (DCE) is a device that sits between the data terminal equipment (DTE) and a data transmission circuit.

  4. Data Terminal Ready - Wikipedia

    en.wikipedia.org/wiki/Data_Terminal_Ready

    Data Terminal Ready (DTR) is a control signal in RS-232 serial communications, transmitted from data terminal equipment (DTE), such as a computer, to data communications equipment (DCE), for example a modem, to indicate that the terminal is ready for communications and the modem may initiate a communications channel.

  5. Catalyst Telecom Now Offering EMC Storage Solutions

    www.aol.com/news/2013-05-15-catalyst-telecom-now...

    Catalyst Telecom Now Offering EMC Storage Solutions Distributor to offer EMC and Avaya integrated solutions GREENVILLE, S.C.--(BUSINESS WIRE)-- Catalyst Telecom®, a sales unit of ScanSource, Inc ...

  6. GTT Communications - Wikipedia

    en.wikipedia.org/wiki/GTT_Communications

    GTT Communications, Inc. (GTT), formerly Global Telecom and Technology, is a Network as a Service (NaaS) and Security as a Service (SECaaS) provider headquartered in Arlington, Virginia. GTT operates a Tier 1 IP network and provides Internet ; wide area networking , SD-WAN ; network security , voice and video transport services.

  7. TPx Communications - Wikipedia

    en.wikipedia.org/wiki/TPx_Communications

    Key DSCI products included unified communications and managed IT solutions. [5] In May 2011, TPx announced plans to acquire Orange County Internet Xchange and finalized the acquisition in June 2011. [6] In June 2011, TPx announced the acquisition of Tel West in Texas, which expanded TelePacific's footprint into Texas.

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