Hello 

I am trying to make a Panasonic 1232 D to a Polling buffer (MPC-500) , I tried a 
typical  9-25 serial cable but didn't work 

I found on some web sites the following pinout that seems somehow strange due to the 
connection or RTS (pin 4 on PBX ) to RTS (Pin 7 of PC 9 PIN ) , an example of those 
web sites is http://pbx.sourceforge.net/index.php?sect=cables

Is that configuration safe ? 

Please reply ASAP , as I have a customer waiting for my response 

+--------------------+---------------------+--------------------+
|  PBX (25 pin male) |  PC (9 pin female)  |  PC (25 pin female)| 
+--------------------+---------------------+--------------------+
|        1           |         gnd         |       1            |
+--------------------+---------------------+--------------------+
|        2           |           2         |       3            |
+--------------------+---------------------+--------------------+
|        3           |           3         |       2            |
+--------------------+---------------------+--------------------+
|        4           |           7         |       5            |
+--------------------+---------------------+--------------------+
|       5,6          |           4         |       20           |
+--------------------+---------------------+--------------------+
|        7           |           5         |        7           |
+--------------------+---------------------+--------------------+
|       20           |          6,8        |       6,8          |
+--------------------+---------------------+--------------------+

Thanks in advance 

Regards :
Khalid Mohammed Sweeseh 



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