Replacing A Defective Expansion Card - Northern Telecom Meridian 1 Installation And Maintenance Manual

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Page 160 of 220 Maintenance

Replacing a defective expansion card

553-3601-200 Standard 7.00 November 1998
if the Re-Eval required message does not display, it is
important to proceed with the next two verification steps.
15.
Using the instructions described in "Card Status" on page 130, verify
that all cards are present and appear in the Idle state.
16.
Using the instructions described in "TCM Status" on page 134, verify
that all Base Stations are located in the appropriate slots and that the
Administration Terminal is in the first CMCC port.
17.
Set the proper system date and time as described in "Programming the
system time and date" on page 87.
18.
Verify proper operation by placing a call to at least one portable
telephone on each card.
"Troubleshooting cards" on page 173 lists the signs that indicate the need for
a card replacement. Card replacement should be performed when the card is
idle.
If the defective expansion card is on the far right of the Meridian Companion
set of cards, it can simply be removed and replaced with a new card. If the card
is in the middle of the card set, replace it by following these steps:
1.
Disable the card from the Meridian 1 system and the Meridian
Companion system.
STATIC!
Wear a grounding strap.
Do not touch the printed circuit board or the
connector. The printed circuit board is a static-
sensitive device.

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