RS- - 維基百科,自由的百科全書 - Wikipedia
http://zh.wikipedia.org/zh-tw/RS-232&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CB8QFjAF&usg=AFQjCNGJDMLhOr-8A7xsiLFu2NUoMT9dNw
下表中列出的是被較多使用的RS-中的訊號和接腳分配: DE-9 Male( Side) DE-9 Female ( Side) ------------- ------------- \ 1 2 3 4 5 / \ 5 4 3 2 1 / \ 6 7 8 9 / \ 9 ...‎標準的細節 - ‎類似規範 - ‎外部連結 - ‎參考文獻RS232 serial cable pinout information - Lammertbies.nlwww.lammertbies.nl/comm/cable/RS-.html‎類似內容RS232 serial connectorassignment. The RS232 connector was originally developed to use 25 pins. In this DB25 connector pinout provisions were made for ...
RS 232介紹
http://www.ccut.edu.tw/adminSection/ace/downloads/RS%2520232%25E4%25BB%258B%25E7%25B4%25B9(1).ppt&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CC4QFjAH&usg=AFQjCNFB3Ju14ML28rDyfuBy68khNWcZCg
RS-是美國電子工業聯盟(EIA)制定的序列資料通訊的介面標準,原始編號 ... 的接頭將COM2接出,新一代的電腦均以9Pin的接頭接出所有的RS-通訊埠。
Checko's Blog: RS232 pin 腳定義
http://checko.blogspot.com/2005/08/rs232-pin.html&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CDQQFjAI&usg=AFQjCNFLBlDVhf0ieEoVW0PRk_n5WHPc-w
2005年8月8日也就是說 7, 8要短路,4,6要接到High (是RS232 12V的high,不是5V的high),或是接到 1。如果只有接2,3,5這幾,其他都沒接,AT ...
PC serial port (RS- DE9) pinout diagram @ pinouts.ru
http://pinouts.ru/SerialPorts/Serial9_pinout.shtml&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CDsQFjAJ&usg=AFQjCNGl7Ik8zHHlMzx3XH7zNV2L6TL3gg
16 Oct 2014Pinout of PC serial port (RS- DE9) and layout of 9D-SUB male connector and 10IDC male connectorThis RS232C DE-9 (usually ...
Tech Stuff - RS232 Cables and Wiring - Zytrax
http://www.zytrax.com/tech/layer_1/cables/tech_rs232.htm&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CEIQFjAK&usg=AFQjCNHrnYAcd-0K32upzQqfmOEACY-Bcw
If you want to know more about RS 232 signals then this page may help - but you ... A max of 50mA PERmay be available but the data sheet for the specific ...
序列埠通訊基本概念- National Instruments
http://digital.ni.com/public.nsf/allkb/4CFF7C3555A421F78625705D002AFCF4&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CEgQFjAL&usg=AFQjCNHxtqUEj0plp2XGiL3nu_KVO1xdQw
2005年8月14日大多數電腦包含兩個基於RS232的序列埠。 .... RS-485和RS-422的引腳的功能數據:TXD+( 8),TXD-( 9),RXD+( 4),RXD-( 5)
RS232 connectorassignment
http://www.pccompci.com/rs232-cable-technology.html&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CE8QFjAM&usg=AFQjCNFaITEhDO4jcfrgWu1tlmeKF9hffg
The originallayout for RS232 was developed for a 25 pins D sub connector. In this -out provisions were made for a secondary communication channel.
RS232 Tutorial on Data Interface and cables - ARC Electronics
http://www.arcelect.com/rs232.htm&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CFUQFjAN&usg=AFQjCNHi12UBc_hrzuGwhaVvGWeZdf1k8Q
Typical URART (the RS- I/O chip) allows up to 50ma per output- so if the device needs 70ma to run we would need to use at least 2 pins for power.

http://zh.wikipedia.org/zh-tw/RS-232&sa=U&ei=j_HwVLX-JafEmAWp5YHoAg&ved=0CB8QFjAF&usg=AFQjCNGJDMLhOr-8A7xsiLFu2NUoMT9dNw







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