55..11 SDH Setup and StatusSDH Setup and Status
An STM-xxSTM-xx button in the navigation area of the Ports SetupPorts Setup screen gives you
access to the SDH setup for the transmitter and/or receiver of the currently
selected port.
Refer to SDH/SONET switching for switching to SDH.
Synchronous Digital Hierarchy (SDH) is a standardized protocol that transfers digital
signals over optical fiber using lasers. At low transmission rates data can also be
transferred via an electrical interface.
The SDH interface uses the electrical BNC connectors and the optical ports.
MU100010A Connector PanelMU100010A Connector Panel
MU100011A Connector PanelMU100011A Connector Panel
55..11..11 Transmitter SetupTransmitter Setup
55..11..11..11 Physical SetupPhysical Setup
When the transmitter is set up with an SDH interface, touching the TxTx button in
the navigation area will launch the following screen. (Note that the SDH TxSDH Tx
check box above the connector panel illustration is selected.)
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