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DCHI installation for all systems
553-2901-200 Standard 11.00 August 1996
Removing the QPC757 DCHI
The following procedure explains how to remove the QPC757 DCHI card.
Procedure 17
Removing the QPC757 DCHI
1
Disable the QPC757 DCHI using LD 96, command DIS DCH x.
2
Disable asynchronous port J1 in LD 48 to prevent initialization.
3
Disable loop in LD 60.
4
If the circuit card is being removed, not replaced, remove data from
memory. See the
ISDN Primary Rate Interface description and
administration
(553-2901-100) document.
5
Determine the cabinet and shelf location of the card to be removed.
6
Set faceplate toggle switch to DISABLE.
7
Disconnect QPC757 DCHI cables.
8
Remove QPC757 DCHI card.
9
Pack and store circuit card.
CAUTION
The QPC757 DCHI must be software disabled before it is hardware
disabled to prevent initialization.