Specifies the role this interface assumes with respect
to the remote end.
When acting as a DTE, the following objects are not relevant:
usdFrDlcmiDcePollingInterval
usdFrDlcmiDceErrorThreshold
usdFrDlcmiDceMonitoredEvents
When acting as a DCE, the following objects are not relevant:
usdFrDlcmiPollingInterval
usdFrDlcmiFullEnquiryInterval
usdFrDlcmiErrorThreshold
usdFrDlcmiMonitoredEvents