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Operation, administration, and maintenance (OAM) features 2-171
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Table 2-34
TOD synchronization parameters (Site Manager)
Parameter Values (Default) Description
TOD parameters applicable to NP and SP
Status (Off), On Indicates if time of day synchronization is active or
inactive.
Offset threshold 1 to 1800 seconds for NP
2 to 8 seconds for SP
(default is 5 seconds)
Time of day offset threshold allowed in seconds. If
the threshold is exceeded, a TOD threshold
crossing alert is generated.
Server parameters
(Source, Address,
Status)
Source is 1 to 5 for NP
Source is 1 or 2 for SP
Address is IP address of
NTP server for NP
Address is TID of timing
reference for SP
Status is:
IS-IDLE
IS-ACTIVE
UNKNOWN
NOT-IN-SYNC
STRATUM-TOO-HIGH
DISPERSION-TOO-LARGE
The source, address and status of the timing
reference.
IS-IDLE, Server has not responded but is kept as
a backup.
IS-ACTIVE, Synchronizing to this server.
UNKNOWN, Server status is unknown or not
reachable.
NOT-IN-SYNC, The server is out of
synchronization and can not be used.
STRATUM-TOO-HIGH, The servers stratum is too
high.
DISPERSION-TOO-LARGE, The network latency
to this server is too large.
Note:
An * designates which server the client is
using for synchronization.
TOD parameters applicable to NP only
Minimum Polling
Interval
(2) to 65536 seconds
Increments of 2
N
where N is
1, 2, 3...16.
Minimum polling interval when timing reference
source is checked. Increase the polling period if
your NTP server(s) are overworked or if precision
is not an issue.
Maximum Polling
Interval
2 to 65536 seconds
(default is 16)
Increments of 2
N
where N is
1, 2, 3...16.
Maximum polling interval when timing reference
source is checked.
Time Of Day YYYY-MM-DD
HH:MIN:SEC.millisec
Current time of day and time.
Detected offset +/- hh,mm,sec or
UNKNOWN
Difference between the timing reference source
time and the NP time from last poll.
Polling interval hours,mins,secs Time interval of when timing reference source is
checked.