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4 pin RJ11 female connector layout
4 pin RJ11 female connector
Meade 505 type interface/connection from 497 handbox to 9 pin serial computer port (RS 232 )


Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
1   ground   5 signal ground   ground
2   not used        
3   send out 2 rcv DATA   DATA TO COMPUTER
4   rcv in 3 tx DATA   DATA TO TELESCOPE

9 pin D-SUB female connector layout
9 pin D-SUB female connector
According to 1 reports in our database (1 positive and 0 negative) the Meade 505 adapter pinout should be correct.

Is this pinout
Meade 505 adapter visual pinout:click to enlarge
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