Check the listing for details. AL-00490833-01 Serial Debugging Cable for Sanyo RS1/QS1 Series Servo. Condition: New. Listed at 37.95 USD. Compatible SANYO RS1/QS1 series servo debugging cable, download line AL-00490833-01 serial port + 3M + cable model: AL-00490833-01. Choose us to make your choices easier. What are you waiting for?.