Difference between revisions of "DB9 to DB25 Conversion Pinout"

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Revision as of 13:34, 9 May 2017

Pinout and COM Port Summary Card

<tbody> </tbody>
EIA-232-E (RS-232)
Function		 <tbody> </tbody>
PIN #
DB-25 DB-9
EIA-530
Function		 PIN #
DB-25		 TO
DTE		 TO
DCE
Shield 1   Shield 1    
Transmit Data (TD) 2 3 <tbody> </tbody>
Transmit Data (A)
(B)
2
14		   >
Receive Data (RD) 3 2 <tbody> </tbody>
Receive Data (A)
(B)
3
16		 <  
Request To Send (RTS) 4 7 <tbody> </tbody>
Request To Send (A)
(B)
4
19		   >
Clear To Send (CTS) 5 8 <tbody> </tbody>
Clear To Send (A)
(B)
5
13		 <  
DCE Ready (DSR) 6 6 <tbody> </tbody>
DCE Ready (A)
(B)
6
22		 <  
Signal Ground (SG) 7 5 <tbody> </tbody>
Signal Ground (A)
7    
Received Line Signal Detector (DCD) 8 1 <tbody> </tbody>
Received Line Signal Detector (A)
(B)
8
10		 <  
DTE Ready (DTR) 20 4 <tbody> </tbody>
DTE Ready (A)
(B)
20
23		   >
Ring Indicator 22 9 N/A     -----
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