097-58001-01 Revision E – September 2006 TimeProvider TL1 Reference Guide 57
Chapter 2 TL1 Command Syntax and Description
Edit Sync (ED-SYNC)
<aid> = GPS
QLEVEL
Note: QLEVEL is
used when an
input cannot
determine the
received quality
level. If QLEVEL
is provisioned
below the quality
level of the local
oscillator, the
input is
disqualified. The
input QLEVEL
setting determines
if the switching
strategy is
revertive or
non-revertive.
This setting is
used when
REFMODE is set
to AUTO.
1 The user-assigned quality level of the GPS input is
specified as PRC/PRS (primary reference
clock/source).
1
2 The user-assigned quality level of the GPS input is
specified as UNK/STU (sync traceability unknown).
3 The user-assigned quality level of the GPS input is
specified as TYPE II/ST2 (stratum 2).
4 The user-assigned quality level of the GPS input is
specified as TYPE I.
5 The user-assigned quality level of the GPS input is
specified as TYPE V/TNC (transit node clock).
6 The user-assigned quality level of the GPS input is
specified as TYPE III/ST3E (stratum 3E).
7 The user-assigned quality level of the GPS input is
specified as TYPE IV/ST3 (stratum 3).
8 The user-assigned quality level of the GPS input is
specified as 811OPT3/SMC (G.811 option 3 SONET
minimum clock).
9 The user-assigned quality level of the GPS input is
specified as DUS (do not use for timing
synchronization).
PRIORITY 1 The priority level of the input is set to 1. 1
2 The priority level of the input is set to 2.
3 The priority level of the input is set to 3.
4 The priority level of the input is set to 4.
Note: If the QLEVEL on all inputs are equal, then the input with the highest
PRIORITY is selected. The input PRIORITY settings determine if the switching
strategy is revertive or non-revertive. This setting is used when REFMODE is
set to AUTO.
<aid> = PRS
QLEVEL Refer to the QLEVEL description under the <aid> =
GPS heading in this table.
PRIORITY Refer to the PRIORITY description under the <aid> =
GPS heading in this table.
Table 2-6. ED-SYNC – Keywords and Values (Continued)
<keyword> <value> Description Default
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