NEC 2400 - Page 41

Issue 2 December 1995 3-5
Determining the Extension/Logical Terminal Number Plan
Worksheet B: Extension/LTN Plan
Extension LTN Extension LTN
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
61 62
63 64