7705 SAR Interfaces
428
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
3.13.2.18 SONET/SDH Port Commands
sonet-sdh
Syntax sonet-sdh
Context config>port
Description This command enables access to the context to configure SONET/SDH ports. This context
can only be used when configuring an OC3/OC12 or STM1/STM4 port on an appropriate
adapter card.
clock-source
Syntax clock-source {loop-timed | node-timed}
Context config>port>sonet-sdh
Description This command configures the clock for transmitted data from either the internal clock or from
a clock recovered from the line’s receive data stream.
Default node-timed
Parameters loop-timed — the link recovers the clock from the received data stream. The 4-port
OC3/STM1 / 1-port OC12/STM4 Adapter card does not support loop timing.
node-timed — the link uses the internal clock when transmitting data
framing
Syntax framing {sonet | sdh}
Context config>port>sonet-sdh
Description This command specifies the SONET/SDH framing to be either SONET or SDH.
Changing the framing mode on the 4-port OC3/STM1 / 1-port OC12/STM4 Adapter card
causes the adapter card to reset.
Default sonet
Parameters sonet — configures the port for SONET framing
sdh — configures the port for SDH framing
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