Specifies the way in which the processor operates. This parameter can
 only be used with the ISO8208 profile. The parameter can take one of
 the following values:

 DTE           The processor operates as a DTE.

 DCE           The processor operates as a DCE.

 NEGOTIATED    The processor can operate either as a DTE or DCE. The
               processor automatically selects the correct method of operation.

 The default is DTE.