Nortel Meridian 1 Replacement Manual page 179

5 Tag and disconnect cables to the paddle board you are removing
(connector J1 for port 1, connector J2 for port 2).
6 Pull the paddle board out of the connector on the backplane.
Installing equipment
1 Set the ENB/DIS switch to the disable position (down) on the
replacement paddle board.
2 Set option switches on the replacement paddle board the same as on the
board you removed. If there is a vintage change, be sure to check Circuit
Card: Installation and Testing (553-3001-211) for any differences.
3 Plug the replacement paddle board into the vacated connector on the
backplane.
4 Connect cables to the replacement paddle board.
5 Set the ENB/DIS switch to the enable position (up) on the replacement
paddle board.
6 Replace the I/O safety panel. Replace the rear cover on the module.
7 Software enable and test each port on the paddle board:
ENL TTY x
TTY x
— 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:
****
8 Tag defective equipment with a description of the problem and package
it for return to a repair center.
Replacing equipment
Hardware replacement
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