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12. DEFINITION OF INTERFACE SIGNALS
CIRCUIT AB - Signal Ground
CONNECTOR NOTATION: DGND
DIRECTION: Not applicable
This conductor directly connects the DTE circuit ground to the DCE circuit ground.
CIRCUIT CC - DCE Ready (Data Set Ready)
CONNECTOR NOTATION: DSR
DIRECTION: From DCE
This signal indicates the status of the local DCE by reporting to the DTE device that a
communication channel has been established.
CIRCUIT BA - Transmitted Data
CONNECTOR NOTATION: TXD
DIRECTION: To DCE
This signal transfers the data generated by the DTE through the
communication channel to one or more remote DCE data stations.
CIRCUIT BB - Received Data
CONNECTOR NOTATION: RXD
DIRECTION: From DCE
This signal transfers the data generated by the DCE, in response to data channel line
signals received from a remote DTE data station, to the DTE.
CIRCUIT DA - Transmit Signal Element Timing (TxCLK- DTE Source)
CONNECTOR NOTATION: TXCLK (DTE)
DIRECTION: To DCE
This signal, generated by the DTE, provides the DCE with element timing information pertaining
to the data transmitted by the DTE. The DCE can use this information for its received data.
CIRCUIT DB -Transmit Signal Element Timing (TxClk - DCE Source)
CONNECTOR NOTATION:TXCLK (DCE)
DIRECTION: From DCE
This signal, generated by the DCE, provides the DTE with element timing information
pertaining to the data transmitted to the DCE. The DCE can use this information for its received
data.
MPA-100 User's Manual 12-1