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MERLIN LEGEND Communications System Release 7.0
System Programming  
555-670-111  
Issue 1
April 1999
Programming Procedures 
3-20
System Renumbering 
3
NOTE:
Refer to the 
Network Reference for information on private networking and 
non-local dial plan numbering.
Use the single renumbering procedure whenever the extension numbers you are 
changing 
from or to are not sequential.
Block renumbering is quicker, but you can use block renumbering only when the 
extension numbers you are changing 
from and to are sequential.
When trunk or extension modules are removed from the control unit, the 
remaining modules must be rearranged so that no empty slots remain. The 
system does not acknowledge any modules installed after an empty slot; 
therefore, if the system is renumbered, extensions are not assigned to extension 
jacks after the empty slots.
NOTE:
, and 
 show the factory settings in the gray 
spaces. Extensions can be renumbered to any number shown in the white 
spaces.
Figure 3-1.
2-Digit Numbering
0
Operator Console (not flexible) 0
1
Extensions 10
19
2
Extensions 20
29
3
Extensions 30
39
4
Extensions 40
49
5
Extensions 50
59
6
Extensions 60
66
Extra
Extensions
6700
6842
6843
6849
Extra MFMs/
Terminal Adapters
6850
6992
6993
6999
7
Main Pool
70
MFMs/
Terminal Adapters
710
766
767
769
Calling Groups
770–791,7920
7929
Paging
Groups
793
799
8
800
1
Trunks 801
880
Park
881
888
889
2
Pools
 890
899
9
ARS Access (Hybrid/PBX Mode) / Idle Line Access 9
1
Listed Directory Number (QCC Queue)
2
Remote Access
NOTE: “0” and “10” are the same station.