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either the transmitting or receiving clock of the DCE device, so is the transmitting clock. Therefore,
five clock options are available for a DTE device.
Figure 1 Select a clock for a synchronous serial interface
In the figure, "TxClk" represents transmitting clock, and "RxClk" represents receiving clock.
Table 14
describe the four clock selection options for a synchronous serial interface working as DTE and
DCE, respectively.
Table 14 Clock options available for a synchronous serial interface working as DTE
Clock selection option
DTEclk1
DTEclk2
DTEclk3
DTEclk4
In the table, the clock preceding the equal sign (=) is the DTE clock and the one that follows is the DCE
clock.
Table 15 Clock options available for a synchronous serial interface working as DCE
Clock selection option
DCEclk1
DCEclk2
DCEclk3
In the table, the clock preceding the equal sign (=) is the DCE clock and the one that follows is the clock
signal source.
Examples
# Set the synchronous serial interface working as DTE to use the clock selection option dteclk2.
<Sysname> system-view
[Sysname] interface serial 2/0/0
[Sysname-Serial2/0/0] clock dteclk2

code

Use code to configure the digital signal coding format on the synchronous serial interface.
Use undo code to restore the default.
Syntax
code { nrz | nrzi }
Description
TxClk = TxClk, RxClk = RxClk.
TxClk = TxClk, RxClk = TxClk.
TxClk = RxClk, RxClk = TxClk.
TxClk = RxClk, RxClk = RxClk.
Description
TxClk = Local, RxClk = Local.
TxClk = Local, RxClk = Line.
TxClk = Line, RxClk = Line.
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