Cisco ONS 15310-MA SDH, Руководство по процедурам

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14-17
Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
78-19416-01
Chapter 14 Maintain the Node
Before You Begin
Status
Changed
At Date and time of
the last status
change. — —
Switch
Type Type of switch. AUTOMATIC The timing switch was system-generated.
Manual The timing switch was a user-initiated Manual switch.
Force The timing switch was user-initiated Force switch.
Reference Indicates the
timing
reference. Three timing references are
available on the Provisioning >
Timing tab. The timing references are One and Two, which correspond
to BITS-1, BITS-2, and Internal Clock respectively.
Selected Indicates
whether the
reference is
selected. Selected references are indicated
with an X. —
Facility Indicates the
timing facility
provisioned for
the reference on
the
Provisioning >
Timing tab. BITS-1 The timing facility is a building integrated timing supply
(BITS) clock attached to the node’s BITS-1 pins.
BITS-2 The timing facility is a BITS clock attached to the node’s
BITS-2 pins.
STM-M/E1 If the node is set to line timing, this is the STM-M or E1
port provisioned as the timing reference.
Internal clock The node is using its internal clock.
State Indicates the
timing reference
state. unlocked The timing reference is in service.
OOS The timing reference is out of service.
Condition Indicates the
timing reference
state. OKAY The reference is valid to use as a timing reference.
OOB Out of bounds; the reference is not valid and cannot be
used as a timing reference, for example, a BITS clock is
disconnected.
LOS Loss of signal; the reference is valid on a E1, STM1, or
STM4 facility used for timing.
Condition
Changed Indicates the
date and time of
the last status
change in
MM/DD/YY
HH:MM:SS
format. — —
SSM Indicates
whether SSM is
enabled for the
timing
reference. Enabled Synchronization status messaging (SSM) is enabled.
Disabled SSM is not enabled.
Table 14-2 ONS 15310-MA SDH Timing Report (continued)
Item Description Options Option Descriptions