1 The 9-Pin Connector Pin abbreviations (numbers in parentheses are the 25D pin numbers): 1. CD (8) 2. RD (Rx) (3) 3. TD (Tx) (2) 4. DTR (20) 5. SG (Ground) - ppt download
Virtual Serial Port Kit - Articles - Different Null-Modems
Security Dial-up Modem - Click IT Direct
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File:External rs232 serial dialup fax modem.jpg - Wikimedia Commons
Null modem cable
Cablaggi Seriali
rs232 - Major difference between DTR signal and RTS signal? - Arduino Stack Exchange
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serial port - What is the difference between DTR/DSR and RTS/CTS flow control? - Stack Overflow
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Hardware flow control connections from GSM modem to MSP430F5419A - MSP low-power microcontroller forum - MSP low-power microcontrollers - TI E2E support forums
RS-232 Connections That Work: Connecting Devices or Converters - Advantech
device6.gif
Controlling DTR RTS Lines On A Serial Port - NI Community
RS-232 Connections That Work: Connecting Devices or Converters - Advantech
nmodems.gif
DSL-Warehouse
Explaining The Basics Of RS-232 Serial Communications - YouTube
Assessment 2
Tech Info - Serial Interface Properties
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Comunicazione seriale
RS-232 Connections That Work: Connecting Devices or Converters - Advantech
ch4 rs232
