What cable is required for the RS232 connection on the CXR120 / CXR200?

The CXR AV receivers require a Straight Through cable from a DTE (Data Terminal Equipment), such as a computer. 


When is a Null Modem cable required?

Normally the 'controller' (the DTE) has a male connector and the equipment being controlled (the CXR) has a female connector, so a straight through cable is required.
A Null Modem cable is used to connect two 'controllers' (and so is female at both ends with the RX/TX lines crossed over).


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