NEC Xen IPK Programming Manual page 112

December 2004
The Ring Patterns are shown in the table below:
DRAFT 3
92 – Chapter 1
Pattern
0s 1s
A
B
C
D
E
F
G
H
NIL
2s 3s 4s 5s
No Ring
Tie Line Delay Ring Pattern Selection, 1-1-53
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s= seconds
6s