51
Selecting Test Features - SDH Operation
Adding Pointer Adjustments
Note 2: For AU and TU-3, the minimum spacing between adjustments is 500 us.
For TU except TU-3, the minimum spacing between adjustments is 2 ms.
Table 2
O.172 - G.783 pointer test sequence description
G.783 Pointer Test
Sequence
SDH tributary bit rate (kbits) and SDH container
Description
1.544
TU-11
6.312
TU-12
2.048
TU-2
34.368
TU-3
44.736
AU-3
139.264
AU-4
G.783(a) Periodic Single
X
X
X
G.783 (b) Periodic Add
X
X
X
G.783 (c)Periodic Cancel
X
X
X
G.783 (d)Periodic Double
X
X
G.783 (e) Single
X
X
X
G.783 (f) Burst
X
X
X
G.783 (g) Periodic Normal
(87-3 Pattern)
X
X
G.783 (g) Periodic Add
(87-3 Pattern)
X
X
G.783 (g) Periodic Cancel
(87-3 Pattern)
X
X
G.783 (h) Periodic Normal
X
X
X
G.783 (h) Periodic Add
X
X
X
G.783 (h) Periodic Cancel
X
X
X
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