Determining New Extension Numbers - Nortel Meridian 1 Planning And Installation Manual

6 Select "4 INSTALLATION OPTIONS" by entering the number "4".
The character display reads:
1 DEFAULT SETS
2 NUMBERING PLAN
7 Select "2 NUMBERING PLAN" by entering the number "2".
The character display reads:
FIRST NUMBER (XXXX)?
8 To create a new first number, enter the digits you want and press
the pound key.
The number you enter as the first number in the numbering plan is
assigned to slot 01, unit zero of the Main Chassis. The default numbers
assigned to the remaining card and unit combinations are consecutive
in the Option 11C Mini system, assuming each slot has up to 16 units.
—————————— End of Procedure ——————————

Determining new extension numbers

Perform the following procedure to change the default numbering plan, and
to determine the extension number to assign to a specific telephone:
Procedure 78
Determine the extension number
1
Identify the line card to which the telephone is connected. Take the
card slot number associated with the card and subtract 1.
2
Multiply this number by 16.
3
Add the first extension number in the new numbering plan.
4
Identify the unit number the telephone is terminated on and add it to
the result from step 3.
—————————— End of Procedure ——————————
Appendix E – Changing preprogrammed data
Option 11C Mini
Page 553 of 590
Planning and Installation Guide