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SONET_Usr.bk Page 48 Wednesday, December 13, 2000 11:11 AM
Selecting Test Features - SDH Operation
Adding Pointer Adjustments
Pointer Sequence
G.783(a) PERIODIC
SINGLE
G.783 (b) PERIODIC
ADD
G.783 (c) PERIODIC
CANCEL
G.783(d) PERIODIC
DOUBLE
G.783 (e) SINGLE
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G.783(g) 87-3 Pattern
Pointer Adjustment
87
An Example of a Pointer Sequence
Periodic Single adjustments, each with opposite polarity to the preceding
adjustment. The interval between pointer adjustments is user selectable (see
Note 1 page 50).
Periodic Single adjustments, with selectable polarity and added adjustment (1
extra). The spacing between the added adjustment and the previous adjustment
is set to the minimum, (see Note 2 page 50). The interval between pointer
adjustments is user selectable (see Note 1). Added adjustments occur every 30
seconds.
Periodic Single adjustments, with selectable polarity and cancelled adjustment
(1 less). The interval between pointer adjustments is user selectable (see Note
1 page 50). Cancelled adjustments occur every 30 seconds.
Periodic Double adjustments (pair of adjustments). The pair alternate in
polarity. The spacing between pairs of adjustments, of like polarity is set to the
minimum (see Note 2). The interval between pointer adjustments is user
selectable (see Note 1).
Periodic Single adjustments, all of the same polarity which is selectable.
Separation between pointer adjustments is fixed at approximately 30 seconds.
No Pointer
Adjustment
3
Description
Start of Next
87-3 Pattern
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