Nortel Meridian SL-100 SE, Замена

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15
Meridian SL-100 SE Commercial Systems Card Replacement Procedures MSL15
XPM card replacement procedures
Purpose
This chapter contains procedures for replacing the NTAX78AA card in
an ISDN digital trunk controller (DTCI) shelf.
For each card replacement task, you will find a procedure containing
the following details:
• explanatory and context-setting information
• summary flowchart
• step-action instructions
Recording card replacement activities
When a card is replaced, the following information should be noted in
office records:
• the serial number of the replaced card
• the date of replacement
• the reason for the replacement
Explanatory and context-setting information
In each procedure, the section titled “Application” identifies the card
PECs (including suffixes) and the shelves or frames to which this
procedure applies. Read this section before you perform the
step-action instructions. If the “Application” section does not identify the
card and shelf you are looking for, go to the “Index” where all card and
shelf combinations included in this book are listed.
The “Common procedures” section lists common procedures that you
may be asked to perform as you follow the step-action instructions. Go
to these common procedures only when directed to do so.
Summary flowchart
The flowchart is a summary of the main actions, decision points, and
possible paths you may take. Do not use the summary flowchart to