<title>RS232 Cabling Requirements</title>		<h1 align=center>RS232 Cabling Requirements</h1><!--INDEX "rs232 cabling" "rs232 pinout" -->Some hosts require the hardware flow control signals to be connectedbefore they will send and receive data via the RS232 ports. This may betrue even if you have explicitly disabled the hardware flow control.<p>LSI Logic's Evaluation boards require only pins 2, 3, and 5 to beconnected (except CON7 on the SDP1000).<p><center><table border cellpadding=6><tr><td><pre>	HOST					   LSI EVAL BOARD====================				   ==============       DB25    DB9					DB9       PIN     PIN					PINRXD	2	3 --------------------<----------------- 2TXD	3	2 -------------------->----------------- 3GND	7	5 -------------------------------------- 5RTS	4	7 --+                    |CTS	5	8 --+DSR	6	6 --+                    |DCD	8	1 --+                    |DTR	20	4 --+</pre> </td></tr></table></center></dl><p><hr><b>Navigation:</b> <a href="index.htm">Document Home</a> | <a href="doctoc.htm">Document Contents</a> | <a href="docindex.htm">Document Index</a> <p>