...needs ! * This manual will tell you all about your new ServSwitch ™ Duo Extender , including how to install , operate , and troubleshoot it . For an introduction to the Extender , see Chapter 2 . The Extender product codes covered in this m...
...operation , set both switches to the TX Enable RX Enable “ Off ” position . For multi - drop RS - 485 four - wire systems , position 7 RS - 485 should be “ On ” and position 8 should be “ Off . ” This allows the receiver ON ON 2 - Wire Mode to be...