User's Guide
Interfaces C-9
Data Set Ready
The Data Set Ready (DSR) signal indicates when DCE is turned on. If
DSR is high, DCE is on; if DSR is low, DCE is off.
Data Carrier Detect
The Data Carrier Detect (DCD) signal indicates when DCE has estab-
lished a link to a remove receiver. If DCD is high, DCE is linked; if
DCD is low, DCE is not linked.
Request To Send
The Request To Send (RTS) signal indicates when DTE is ready to send
data. If RTS is high, DTE is ready to send data; if RTS is low, DTE is
not ready.
Clear To Send
The Clear To Send (CTS) signal indicates when DCE is ready to receive
data. If CTS is high, DCE is ready to receive data; if CTS is low, DCE
is not ready.
Transmit/Receive Data
The exchange of data between DTE and DCE occurs on two lines:
Transmit Data (TxD) and Receive Data (RxD). DTE transmits data
on the TxD line and receives data on the RxD line. Conversely, DCE
transmits data on the RxD line and receives data on the TxD line.
Data signals on the TxD and RxD lines must conform to a standard
serial data format, consisting of one start bit, seven or eight data bits,
an optional parity bit, and at least one stop bit. Figure C-3 shows the
data format.
User's Guide
Interfaces C-9
Data Set Ready
The Data Set Ready (DSR) signal indicates when DCE is turned on. If
DSR is high, DCE is on; if DSR is low, DCE is off.
Data Carrier Detect
The Data Carrier Detect (DCD) signal indicates when DCE has estab-
lished a link to a remove receiver. If DCD is high, DCE is linked; if
DCD is low, DCE is not linked.
Request To Send
The Request To Send (RTS) signal indicates when DTE is ready to send
data. If RTS is high, DTE is ready to send data; if RTS is low, DTE is
not ready.
Clear To Send
The Clear To Send (CTS) signal indicates when DCE is ready to receive
data. If CTS is high, DCE is ready to receive data; if CTS is low, DCE
is not ready.
Transmit/Receive Data
The exchange of data between DTE and DCE occurs on two lines:
Transmit Data (TxD) and Receive Data (RxD). DTE transmits data
on the TxD line and receives data on the RxD line. Conversely, DCE
transmits data on the RxD line and receives data on the TxD line.
Data signals on the TxD and RxD lines must conform to a standard
serial data format, consisting of one start bit, seven or eight data bits,
an optional parity bit, and at least one stop bit. Figure C-3 shows the
data format.
Summary of Contents for AMT ACCEL-5350
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