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Appendix D: Specifications
D–14
CTS 710 SONET Test Set User Manual
Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.)
Characteristic Description
VT Pointer Movement
VT1.5 Pointer Interaction VT1.5 or STS, but not both at the same time
Single Single pointer justification
(increment or decrement)
Burst Bursts of two to eight pointer justifications spaced
four multi-frames apart. All adjustments within a
given burst are in the same direction. Subsequent
bursts are in alternating directions
Continuous Pointer justifications occur continuously at a
predetermined rate in an incrementing, decrement-
ing, or alternating direction.
Rate between movements: 48 ms to 1 s, with a
resolution of 1 ms
Set to Value Set to a new location with or without the NDF being
set.
Range is from 0 to 1023 (104 – 1023 are illegal
locations).
VT Pointer Test Sequences
Single pointer adjustment Time between pointer adjustments: 30 s
Alternating pointer adjustment Single
Double
Pointer adjustment burst Time between 3 pointers is 2 ms, 2 ms
Time between pointer burst: 30 s
Phase transient pointer adjust-
ment burst
Time between 7 pointers is 0.25 s, 0.25 s, 0.5 s,
0.5 s, 0.5 s, 0.5 s
Time between pointer burst: 30 s
Periodic pointer adjustment test
sequence – 26–1 pattern
– 26–1 pattern
– 26–1 pattern with Cancelled pointer movement
number 26
– 26–1 pattern with Added pointer after the 13th
pointer
Appendix D: Specifications
D–14
CTS 710 SONET Test Set User Manual
Table D–2: Option 22 DS1/DS3/VT1.5 Capabilities (Cont.)
Characteristic Description
VT Pointer Movement
VT1.5 Pointer Interaction VT1.5 or STS, but not both at the same time
Single Single pointer justification
(increment or decrement)
Burst Bursts of two to eight pointer justifications spaced
four multi-frames apart. All adjustments within a
given burst are in the same direction. Subsequent
bursts are in alternating directions
Continuous Pointer justifications occur continuously at a
predetermined rate in an incrementing, decrement-
ing, or alternating direction.
Rate between movements: 48 ms to 1 s, with a
resolution of 1 ms
Set to Value Set to a new location with or without the NDF being
set.
Range is from 0 to 1023 (104 – 1023 are illegal
locations).
VT Pointer Test Sequences
Single pointer adjustment Time between pointer adjustments: 30 s
Alternating pointer adjustment Single
Double
Pointer adjustment burst Time between 3 pointers is 2 ms, 2 ms
Time between pointer burst: 30 s
Phase transient pointer adjust-
ment burst
Time between 7 pointers is 0.25 s, 0.25 s, 0.5 s,
0.5 s, 0.5 s, 0.5 s
Time between pointer burst: 30 s
Periodic pointer adjustment test
sequence – 26–1 pattern
– 26–1 pattern
– 26–1 pattern with Cancelled pointer movement
number 26
– 26–1 pattern with Added pointer after the 13th
pointer