Alcatel-Lucent 7210 SAS M Configuration Manual page 408

System Synchronization Commands
Syntax ssm-bit sa-bit
Context config>system>sync-if-timing>bits1
Description
This command configures which sa-bit to use for conveying SSM information when the BITS
interface-type is E1.
SSM is not available when the BITS interface-type is either T1/DS1 SF synchronization interface.
NOTE: On 7210 SAS-T, BITS2 inherits the value configured for BITS1.
Default 8
Parameters sa-bit — Specifies the sa-bit value.
commit
Syntax commit
Context config>system>sync-if-timing
Description
This command saves changes made to the system synchronous interface timing configuration.
Default
No default
ptp
Syntax ptp
Context config>system>sync-if-timing
Description
This command enables the context to configure parameters for system timing via IEEE 1588-2008,
Precision Time Protocol.
This command is only available on the systems supporting the 1588-2008 frequency recovery engine.
Page 408
Guide
Values 4–8
7210 SAS M, T, X, R6 Basic System Configuration