Nortel Meridian 1 Option 11C Planning And Installation Manual page 271

Note 1: If you do not see the prompt "MODEL X" after lifting the
handset, disconnect the telephone from the wall jack, wait five
seconds, and re-insert the telephone into the jack. The telephone now
shows "MODEL X" when you lift the handset.
Note 2: The 20 second time interval is required for the system to
determine whether the set is new or if it is being relocated using the
Modular Telephone Relocation feature.
2 Press the pound key (#) to select the default model.
The character display shows "OK, EXTENSION? XXXX". "XXXX"
represents the default extension number for this telephone type.
3 Press the pound key again to select the default extension
number.
You hear the relocation tone. The character display, shows "OK".
OR
If the extension number is already in use by another telephone, you
hear the special dial tone. If the telephone has a display it shows
"MULTI-LINE, EXTENSION?".
To accept the default extension number press the pound key.
To select a new extension number, manually enter an extension
number and press the pound key.
OR
If the extension number is not available for use, the character display
shows "ERROR, EXTENSION?" and you hear overflow tone.
This happens when you choose an extension number manually or
when extension numbers are entered for additional keys. A default
extension number will not be offered if it is not available.
Step 3 must be repeated and you must manually enter a new
extension number.
Note 1: If other keys require secondary extension numbers, you are
prompted until you enter all of the required extension numbers for the
model.
Note 2: These extension numbers cannot be defaulted. The text
display prompting for further extension numbers is "KEY kk EXT?"
where "kk" represents the key number requiring the extension number.
Connecting the telephones Page 271 of 408
Option 11C Planning and Installation Guide