Keyboard, Mouse and other input devices cables and adapters scheme  > ATEN pinouts
RS232 TO RJ11, UPGRADE FIRMWARE CABLE FOR ATEN KVM SWITCHES. This is for the newest version of the CS-175.

 

Device 1
Pin Number
Device 1
Pin Name
Direction Device 2
Pin Number
Device 2
Pin Name
Description
2 RxD   1    
3 TxD   2    
7 RTS   3    
5 GND   4    

 

9 pin D-SUB female connector layout
9 pin D-SUB female connector
at the PC-side cable
4 pin RJ11 male connector layout
4 pin RJ11 male connector
at the ATEN-side cable
According to 6 reports in our database (5 positive and 0 negative) this pinout should be correct.

Is this pinout
ATEN KVM Switches Firmware upgrade cable visual pinout:
ATEN KVM Switches Firmware upgrade cable diagram
click to enlarge
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