Replace Equipment - Nortel Meridian 1 Option 11C Manual

Page 76 of 100 DTI/PRI Maintenance

Replace equipment

553-3011-310 Standard 13.00
Use the following procedure before you reseat the NTAK09, the NTAK20
and/or the NTAK93:
1 If the NTAK93 DCHI daughterboard is installed, first S/W disable the
associated D-channel (DCHI) using the following overlay and
commands:
LD 96 DIS
Where X is the DCHI port number that was assigned in LD17.
2 If the NTAK20 Clock Controller daughterboard is installed, first S/W
disable it using the following overlay and commands:
LD 60 DIS
(Where CC is the card slot number of the NTAK09 that was supporting
the NTAK20 Clock Controller).
3 S/W disable the DTI/PRI card as follows:
LD 60 DISL
(Where X is the card slot number of the NTAK09 DTI/PRI).
4 To replace the NTAK09 by the lock latches, unlock the latches and slide
the card out of the cabinet. Once out of the slot you may remove any of
the daughterboards.
Note: To avoid damage to the circuit cards from electrostatic discharge,
wear the wrist strap connected to the inside of your Option 11C cabinet
whenever handling the circuit cards. Figure 14 shows the connection
point for the wrist strap.
January 2002
DCH
CC 0
X