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Release Notes

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Release Notes for Cisco ONS 15454 SDH Release 4.1.3
OL-4984-01
New Features and Functionality
This applies only to the ONS 15454-based G-series cards (G1000-4 and G1K-4). This feature also
includes the ability of the cards to operate (when in transponder mode) independent of the cross connect
cards and even operate without any cross connect cards in the shelf.
When at least one port is provisioned in a transponder mode, the entire card will be in transponder mode.
When SONET/SDH circuits are provisioned on a card, the card is said to be in normal/SONET/SDH
mode.
Hybrid mode of operation is not supported in Release 4.1.x. At any given time, a card can be either in
transponder mode (with one or more ports being provisioned to provide transponder capabilities) or in
normal SONET/SDH mode. A mixed or hybrid mode (in which only some ports are performing
transponder functions while others are switching traffic into the SONET/SDH network) is not supported
and you will be prevented from provisioning such a combination. In order to move a card from
SONET/SDH mode to transponder mode you must first delete all SONET/SDH circuits terminating on
the card, after which ports will become provisionable as transponders. Similarly you must first turn off
transponder mode on all ports before a card can become eligible for SONET/SDH circuits again.
Facility Loopback
Facility Loopback is supported for Release 4.1.x transponder functionality.
This applies to all G-series cards (G1000-4 and G1K-4 on the ONS 15454 and G1000-2 on the ONS
15327).
Provisionable Flow Control Watermarks
Provisionable flow control watermarks are supported for Release 4.1.x. This capability enables the user
to tune the flow control mechanism on the G-Series cards for some network applications.
This applies to all G-series cards (G1000-4 and G1K-4 on the ONS 15454 and G1000-2 on the ONS
15327).
Changed Alarms
The following alarms have changed as of Release 4.1.x.
SDH CRITICAL Alarms
LOC is added in Release 4.1.x.
SDH MAJOR Alarms
SQUELCHED is MJ in Release 4.0 but changed to NA in Release 4.1.x.
FEC-MISM is added in Release 4.1.x.
SDH MINOR Alarms
LP-PLM is MN in Release 4.0 but changed to MJ in Release 4.1.x.
LP-TIM is MN in Release 4.0 but changed to MJ in Release 4.1.x.