Nortel Meridian 1 Hardware Replacement Manual page 232

Page 232 of 250
553-3001-520 Standard 17.00 January 2002
Replacing equipment
4 Unhook the locking devices on the card; pull it out of the card cage.
Installing equipment
1 Set the ENB/DIS switch to DIS on the replacement card.
2 Set option switches on the replacement card the same as on the card
you removed. If there is a vintage change, be sure to check Circuit
Card: Installation and Testing (553-3001-211) for any differences.
3 Insert the replacement card into the vacated slot and hook the locking
devices.
4 Connect cables to the replacement card.
5 Set the ENB/DIS switch to ENB on the replacement card.
6 Software enable each port on the card:
ENL TTY x
— When the process is complete, you will receive a system
response.
— If there is a problem, an IOD system message is generated and
the red LED lights on the faceplate of the card.
— If there is no problem, exit LD 37:
****
7 Tag defective equipment with a description of the problem and
package it for return to a repair center.