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System Numbering Forms
Form 2a, System Numbering:
Extension Jacks
Renumber System*
❑ 2-Digit+
❑
Selected Extension Numbers
❑ 3-Digit
❑
Set Up Space
Mod.
Log.
Jack Type
2-Dig
3-Dig.
Ext. Set Up
Renumber
AUDIX
Ext.
Old
Wire
Person, Location
l
VEX Voice
Type
ID
A
D†
B
Eqpt.
No. u
No.
Space
to Label
Ext. No.
No.
or Function
R1.1
Power™
1
10
100
7100
l
l l
l
l
l
2
11
101
7101
ll
l
I
l
l
3
12
102
7102
l
I
l
l
4
13
103
7103
llllll
5 14
104
7104
l
I
I
I
l
I
6
15
105 7105
l l l
l
7
16
106
7106
I I
I
l
8 17
107
7107
Il
II
9
18
108
7108
I
l
l
l
I
f
10 19
109
7109
l
I
l
lll
11
20 110
7110
l l
l l
l
12 21
111
7111
l
I
I
I
I
13
22
112
7112
l
I
l l
l
l
14
23 113 7113
l l l l l
15
24
114
7114
l l l l l
16
25
115
7115
l
I
l l
l
17
26
116 7116
l
l
l
l l
l
18
27 117
7117
I
I I
I
19
28
118
7118
l l l l l
20 29
119
7119
l
l l
I
I
l
21
30 120
7120
l l l l
ll
22
31
121
7121
lllll
l
23
32 122
7122
l l l l l
24 33
123
7123
l
l
I
I
l
Shaded lines indicate possible operator positIons
◆ Factory Setting
† Use Form 2b for adjuncts connected via MFM or ISDN 7500B Data Module
* The system capacity for Personal Directories IS decreased by one whenever an MLX-20L telephone IS connected to an MLX
port
Figure A-1. Form 2a, System Numbering: Extension Jacks
A–2 Installation