System Commands
Page 442 7210 SAS D, E, K OS Basic System Configuration Guide
sync-if-timing
Syntax sync-if-timing
Context show>system
Description This command displays synchronous interface timing information.
Output System Timing Output — The following table describes sync-if-timing output fields.
Label Description
System Status CPM A
Indicates the system status of CPM A.
Reference Input Mode
Indicates the reference input mode.
Reference Order
Indicates the reference order.
Reference Input 1
Displays information about reference input 1
Admin Status
down — Indicates the ref1 or ref2 configuration is administratively
shutdown.
up — Indicates the ref1 or ref2 configuration is administratively
enabled.
diag — Indicates the reference has been forced using the force-refer-
ence command.
Qualified for Use
Indicates if the reference input 1 (or input 2) is qualified for use.
Selected for Use
Indicates if reference input 1(or input 2) is selected for use.
Source Port
Displays the source port information.
Reference Input 2
Displays information about reference input 2.
Not Selected Due to
Indicates the reason if reference input 2 is not selected.
Note: SSM is supported only on 7210 SAS-D devices.
Quality Level Selec-
tion
Indicates whether the ql-selection command has been enabled or dis-
abled. If this command is enabled, then the reference is selected first
using the QL value, then by the priority reference order. If this com-
mand is not enabled, then the reference is selected by the priority refer-
ence order.
System Quality Level
Indicates the quality level being generated by the system clock.
Rx Quality Level
Indicates the QL value received on the interface.
• inv - SSM received on the interface indicates an invalid code for
the interface type.
• unknown - No QL value was received on the interface.
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