Procedure 11.50: UNASSIGN DNU-S DS1 FACILITY FROM TR303 RT
5E12(1) AND
LATER
OVERVIEW
This procedure unassigns digital networking unit - SONET (DNU-S) digital signal 1 (DS1) facilities from a TR303
remote terminal (RT). Separate procedures exist for assigning DNU-S DS1 facilities to a TR303 RT and degrowing
DNU-S VT1.5/DS1 facilities.
Requirements:
All terminal assignments (lines and trunks) which are assigned to this DNU-S DS1 facility must be removed
from the facility before unassigning it from the TR303 RT.
The facilities which carry the embedded operations channel (EOC) and time-slot management channel (TMC)
data links to the TR303 RT may not be deleted.
PROCEDURE
1.
Unassign DNU-S DS1 Facility From TR303 - 5E12(1) and Later
11.50.1 Verify and Set Initial Conditions
1.
At Master Control Center (MCC), observe Summary Status Area for a
SYS NORM indication.
2.
If a SYS NORM indication is not obtained, type and enter the following command:
OP:SYSSTAT
;
3.
At the MCC, type and enter the following command:
OP:OFFNORM,SM=
a;
Where:
a =
Switching Module-2000 (SM-2000) number.
4.
Evaluate system response to determine if system status is acceptable to continue. Specific attention is
required for areas that can cause SM-2000 isolation or service impact during this DNU-S DS1 facility
degrowth procedure. Correct any deficiency as required.
NOTE:
Steps 5 and 6 are recommended but not required. Local practices should control their use. If REX is
inhibited, it must be allowed at the conclusion of this degrowth procedure.
5.
At the MCC, type and enter the following command:
602
(1800 CMD)
235-105-210
October 1999
Copyright © 1999
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