Basic Business television where VCR control is required. Commands may be satellite delivered as asynchronous data (9600, N,8,1) or DTMF.
Usually the command operation is done by the systems integrator and connection to the uplink is via modem. In the case of DTMF a translator (data to DTMF) unit resides at the uplink thus permitting use of standard control software and modem access.
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