Procedure 11.30: DEGROW DNU-S VT1.5/DS1 FACILITY
5E12 AND EARLIER
OVERVIEW
This procedure degrows Digital Networking Unit - SONET (DNU-S) Virtual Tributary 1.5/Digital Signal 1 (VT1.5/DS1)
facilities. Separate degrowth procedures exist for degrowing the DNU-S SONET Termination Equipment (STE)
facilities and Synchronous Transport Signal (STS-1) facilities. This procedure requires that all digital trunks on the
selected DS1 be previously unassigned.
PROCEDURE
1.
Degrow DNU-S VT1.5/DS1 Facility - 5E12 and Earlier
11.30.1 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.
Comment:
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
VT1.5/DS1 Facility degrowth procedure. Correct any deficiency as required.
CAUTION:
Steps 4 and 5 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.
4.
At the MCC, type and enter the following command:
INH:REX,SM =
a
Where:
a = number of the SM-2000 degrowing the VT1.5/DS1 Facilities.
5.
At the MCC, type and enter the following command:
OP:REXINH
Response:
The inhibit status will be printed.
6.
If Steps 4 and 5 were performed, verify the inhibit status printout.
11.30.2 Allow Peripheral Fault Recovery Messages to be Printed
235-105-210
October 1999
Copyright © 1999
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Summary of Contents for 5ESS-2000
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Page 1289: ...Figure 15 17 2 AMATPS Data Link 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1360: ...Figure 15 47 2 Typical SCANS III Link Diagram 235 105 210 October 1999 Copyright 1999 Page 2 ...
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