Enable The Ntbk50 Pri; Disable The 2.0 Mb Pri Before Removal; Disable The Ntak79 Pri; Disable The Ntbk50 Pri - Nortel Meridian 1 Option 11C Manual

Enable the NTBK50 PRI

Disable the 2.0 Mb PRI before removal

Disable the NTAK79 PRI

Disable the NTBK50 PRI

1 If using the NTBK51 DDCH daughterboard, enable the DDCH in LD 96
by issuing the command ENL MSDL X.
2 Software enable all 2.0 Mb PRI cards using LD 60 (command ENLL N).
The DCHI will enable automatically from the enable PRI command.
3 Software enable the clock controller using LD 60 (command ENL CC 0).
4 Enable clock tracking on primary digital loop by issuing the following
command: TRCK PCK.
Within about 30 seconds the D-channel layer 3 should be established.
5 You can request the current status of the D-channel by issuing the
command STAT DCH. The system should respond DCH N EST in
LD 96 (meaning that the D-channel is established and operational).
To disable a PRI circuit pack, follow the appropriate procedure below.
1 Software disable the DCHI using LD 96, command DIS DCH N, where
N is the D-channel device number.
2 Software disable the clock controller using LD 60 (DIS CC 0).
3 Software disable the PRI card using LD 60 (command DISL N, where N
is the PRI card number).
1 Software disable the DCHI using LD 96, command DIS DCH N, where
N is the D-channel device number.
2 If using the NTBK51 DDCH daughterboard, enter the DIS MSDL N
command in LD 96.
3 Software disable the clock controller using LD 60 (DIS CC 0).
4 Software disable the PRI card using LD 60 (command DISL N, where N
is the PRI card number).
PRI Maintenance
Option 11C
Page 87 of 126
2.0 Mb DTI/PRI