4026890
Descrição
Mapa Mental por Daniel Lugo, atualizado more than 1 year ago
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Criado por Daniel Lugo
aproximadamente 9 anos atrás
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Internal and external communication
- Port
- Is a connection
- Is used to conect some devices
- Allows exchange data
- Serial Ports
- Asynchronous adapter
- Intercomunicar several computers together
- Receives and sends information
- 25 pin
- Serial interface connector
- DTE (Data terminal Equipment)
- DCE (Data Comunication Equipment)
- 1 Pin - P.G. - Safety Ground
- 2 Pin - TD -> DCE - DTE output
- 3 Pin - RD -> DTE - DTE input data
- 4 Pin RTS -> DCE - Request to Send DTE
- 5 Pin - CTS -> DTE - DCE ready to transmit
- 6 Pin - DSR-> DTe - CE ready to com . DTE
- 7 Pin - GND - Common ground circuit
- 8 Pin - DCD -> DTE - Stopping carrier
- 20 Pin - DTR -> DCE - Terminal Signal available
- 23 Pin - DSRD - Speed indicator TX
- COM1 and COM2
- Chip UART
- Communication in one direction
- Used addresses and a signal line
- Asynchronous adapter
- Parallel Port
- I/O
- Type D-25
- 25 Pin
- 25 Pin
- It is used by printers
- LPT (online printer)
- DB25
- Socket
- 36 Pin
- Socket
- 8 bits = 1 byte
- 5 inputs "Steady-State Input points"
- DATA
- STATUS
- CONTROL
- 17 signal lines and 8 ground lines
- 4. Control lines
- 5. state lines
- 8. Data lines
- 4. Control lines
- I/O
- Is a connection
Anexos de mídia
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