Clock ConfigurationClock Configuration
This screen allows you to enable the optical or electrical interface of the SDH
transmitter. It can also be used to confirm the current status of the selected
port.
The configuration options available in the setup area of the screen are
described below. The status information is described in a separate section.
TransmitterTransmitter
Use the TransmitterTransmitter drop-down menus to select to the transmitter.
ModeMode
Use the ModeMode drop-down menus to select to the behavior of the transmitter.
OH overwrite positionOH overwrite position
Only enabled when the OH overwriteOH overwrite has been selected to the behavior of the
transmitter. Use the drop-down menu to select the relevant overwrite position.
The available values are:
SOHSOH
A1/A2 byteA1/A2 byte
K1/K2 byteK1/K2 byte
S1 byteS1 byte
DCC1-3 byteDCC1-3 byte
DCC4-12 byteDCC4-12 byte
J0 byteJ0 byte
1 byte of SOH1 byte of SOH
When '1 byte of SOH' is selected, touch the Byte PosByte Pos button to launch the 11
Byte of SOHByte of SOH dialog box. Select the byte to overwrite in the dialog box.
Use the drop-down menu to select the clock source. This is fixed to ReceivedReceived
when the Port Mode is set to ThroughThrough or OH overwriteOH overwrite.
Timing Source
InternalInternal: Internal clock of the module
ExternalExternal: The clock input to the connector
ReceivedReceived: The clock generated from the received signal
When ExternalExternal or ReceivedReceived is set, the right hand lamp indicates whether clock
is detected or not.
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