Procedure 11.6: PERFORM CONVERSION FROM ACD/OSPS RISLU TO ERISLU
OVERVIEW
These procedures provide the steps necessary to convert an automatic call distribution (ACD) Operator Service
Position System (OSPS) based remote integrated services line unit (RISLU) (or ACD/OSPS RISLU), to an
enhanced RISLU (ERISLU). To save time and limit customer service interruption, the ACD/OSPS RISLU will not
have to be degrown.
The conversion, however, will cause customer service interruption.
It is recommended
that the conversion take place during a low-traffic period (that is, late evening or a weekend) and only one
ACD/OSPS RISLU should be converted during the period. Routine Exercises (REX) should be inhibited to prevent
interference during conversion. In addition, automatic data base reorganization and automatic ODD backup should
also be inhibited during the conversion to prevent any incompatible data base activity. Current office dependent data
(ODD) should be saved (via backup) before the start of the conversion procedure.
The
downtime
is defined as the time from removal of the last DFI-RH until the completion of the SM full initialization.
The average time estimates of the ACD/OSPS RISLU to ERISLU conversion procedure are as follows:
RC/V update for view 22.9 = 3 minutes.
RC/V review for view 22.9 = 1 minute.
SM full initialization without pump = 10 minutes.
The average downtime estimates are as follows:
The average downtime for services being provided by the converting ACD/OSPS RISLU is 14 minutes.
The average downtime for services being provided by the SM, but not by the converting ACD/OSPS RISLU, is
10 minutes.
PROCEDURE
11.6.1 Identify the ACD/OSPS RISLU for Conversion
1.
Identify the switching module (SM) number associated with the conversion ACD/OSPS RISLU.
The ACD/OSPS RISLU is an OSPS-based RISLU that is equipped with a 7516 terminal and does not have
ports with OA_TAOPER (OSPS directory assistance) service class.
NOTE:
Only ACD/OSPS RISLU to ERISLU conversion is supported in these procedures.
11.6.2 Advance Preparations
1.
Prior to converting an ACD/OSPS RISLU to ERISLU, special attention must be paid to the current
configuration and equipage of the ACD/OSPS RISLU.
If the ACD/OSPS RISLU's CD configuration is ROSPS (CONFIG field of RC/V view 22.9), then Section
11.6.2.1 (ROSPS CD Configuration) must be consulted.
If the ACD/OSPS RISLUs CD configuration is SPROSPS, then Sections 11.6.2.2 , 11.6.2.3 , and 11.6.2.4
must be consulted so that the additional 24 time slots required (as the spare facility is made active) do not
result in the over-engineering of TSIU time slots for the SM. Note that with SPROSPS CD configuration,
existing DFI-RH pairs (including the spare) will be sufficient to handle the worst case scenario [when the
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