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2. Rollover cable - Wikipedia

   en.wikipedia.org/wiki/Rollover_cable

   A rollover cable (also known as a Yost cable, Cisco cable, or a console cable) is a type of null-modem cable that is used to connect a computer terminal to a router's console port. This cable is typically flat (and has a light blue color) to help distinguish it from other types of network cabling. It gets the name rollover because the pinouts ...

3. Data terminal equipment - Wikipedia

   en.wikipedia.org/wiki/Data_terminal_equipment

   This communication is done via an Ethernet crossover cable as opposed to a PC to DCE (hub, switch, or bridge) communication which is done via an Ethernet straight cable. V.35 is a high-speed serial interface designed to support both higher data rates and connectivity between DTEs (data-terminal equipment) or DCEs (data-communication equipment ...

4. Serial cable - Wikipedia

   en.wikipedia.org/wiki/Serial_cable

   Serial cables are typically used for RS-232 communication. A serial cable or RS-232 cable is a cable used to transfer information between two devices using a serial communication protocol. The form of connectors depends on the particular serial port used. A cable wired for connecting two DTEs directly is known as a null modem cable.

5. 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 ...

6. Network switch - Wikipedia

   en.wikipedia.org/wiki/Network_switch

   Such switches are commonly known as layer-3 switches or multilayer switches. [2] Switches for Ethernet are the most common form of network switch. The first MAC Bridge [3] [4] [5] was invented [6] in 1983 by Mark Kempf, an engineer in the Networking Advanced Development group of Digital Equipment Corporation. The first 2 port Bridge product ...

7. Point-to-Point Protocol - Wikipedia

   en.wikipedia.org/wiki/Point-to-Point_Protocol

   For every network layer protocol used, a separate Network Control Protocol (NCP) is provided in order to encapsulate and negotiate options for the multiple network layer protocols. It negotiates network-layer information, e.g. network address or compression options, after the connection has been established.