# HG changeset patch
# User Oleksandr Gavenko <gavenkoa@gmail.com>
# Date 1292684471 -7200
# Node ID 18716a879ed772a44c18b3620adfd5903ca51614
# Parent  a23391cb0144b5822ca5b07ec8265da651a1bd30# Parent  9745b900ec98c70b5ca8791a2310f01c1c30d22b
Automated merge with file:///cygdrive/e/srv/hg/tips

diff -r a23391cb0144 -r 18716a879ed7 rs232.rst
--- a/rs232.rst	Fri Dec 17 12:16:34 2010 +0200
+++ b/rs232.rst	Sat Dec 18 17:01:11 2010 +0200
@@ -1,9 +1,24 @@
 -*- mode: outline -*-
 
+* Pinout.
+
+Rx/Tx
+RTS/CTS/DTR/DSR
+
+* Level signals converts.
+
+** MAX 232.
+
+From an RS-232 serial port to signals suitable for use in TTL circuit.
+
+  http://en.wikipedia.org/wiki/MAX232
+
 * USB to COM chip.
 
 ** PL-2303.
 
+  http://www.prolific.com.tw/eng/products.asp?id=59
+                about/overview
   http://www.prolific.com.tw/eng/downloads.asp?ID=23
                 datasheet download page
   http://www.prolific.com.tw/eng/downloads.asp?id=31