Nortel DMS-100 Series Maintenance Manual page 466

8-100 Card replacement procedures
NT6X50
HIE
(continued)
12
13
14
At the HIE:
15
16
297-8211-550 Standard 05.01 August 1999
Busy LCM unit 0 for the card in slot 19 or LCM unit 1 for the card in slot 20
by typing
>BSY UNIT unit_no
and pressing the Enter key.
where
unit_no is the LCM unit to be busied (0 or 1)
Note: Extended DS-1 maintenance is applied to DS-1 message supporting
links, the unit these links support must be manually busied before the DS-1 link
can be busied.
Post the host peripheral module (LTC, LGC, or RCC) to which the OPAC is
connected by typing
POST pm pm_no
and pressing the Enter key.
where
pm is the name of the host PM (LTC, LGC, or RCC)
pm_no is the number of the host PM (0 to 127)
Using the information collected in step 8, busy both links associated with the
faulty card by typing
>BSY LINK link_no
and pressing the Enter key.
where
link_no is one of two links associated with the faulty NT6X50 card
Repeat this entry for the other link associated with the faulty NT6X50 card.
WARNING
Calls in progress may be interrupted.
Wait at least 15 min to allow calls in progress to be
completed before removing the NT6X50 DS-1 interface
card, because these are simplex links.
Chane the dip switch settings on the new replacement card to match the faulty
card being removed.
Replace the NT6X50 card using the procedure "Replacing a card. When the
card has been replaced, Go to step 17.