Nortel Networks OPTera Metro 3500 User Manual

Page 209

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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.

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