Northern Telecom Meridian 1 Installation And Maintenance Manual page 177

• a defective Controller is replaced
• a Controller has lost its SSN due to a power outage for more than 72
hours
If you need a Regression Code
1. Retrieve and record the new System Security Number (SSN) once the
system is powered up. (See page 96 for information on retrieving SSN.)
2. Locate the following information in Meridian Companion Programming
and Provisioning Record:
— original SSN
— all previous codes recorded in the "UTAM Activation and Portable
Credit Codes" table
3. Call Northern Telecom Customer Response Center (1-800-321-2649) to
request a Regression Code.
You will need to provide them with the original and new SSNs,
Companion ID, and site zip code.
4. Note the Regression Code.
Note: Do not record this code in the Programming Record. A
Regression Code cannot be reused.
5. To enter the Regression Code
a. Press ƒ , then ••‚. The display shows
. Enter the Installer password.
b. The display shows A. Configuration . If the password is incorrect,
the display shows Password: . Press RETRY , and enter the password
again.
c. Press ^ . The display shows
d. Press & . The display shows
e. Press ^ . The display shows
f. Press * . The display shows Codes .
g. Press ^ . The display shows Code 1: . Enter the first code
number of the Regression Code. Use BKSP for corrections.
Meridian Companion Installation and Maintenance Guide
Maintenance Page 167 of 220
Password:
1. Telephony Data
4. Software Codes
SSN:nnnnnnnn
.
.
.