AT&T Call Management System Manual de usuario Pagina 21

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UPGRADE PROCESS SYSTEM 75
3. Prerequisite Hardware
Before the system can be upgraded to Version 2, the following items must be
at the customer’s site:
1.
2.
3.
4.
5.
6.
7.
One D-181429 TN711 Processor circuit pack upgrade kit or a
TN711 B circuit pack.
One TN734 Memory circuit pack—This circuit pack is not a
replacement for the existing TN734 Memory circuit pack. The TN734
Memory circuit pack must be installed in the control carrier beside
the existing TN734 Memory circuit pack.
One D-181430 upgrade kit for each required TN748 Tone’ Detector
circuit pack or a TN748B circuit pack.
The following circuit packs as required by the customer:
Ž TN722B—DS1 Tie Trunk
Ž TN725B—Speech Synthesizer
Ž TN726—Data Line
Ž TN738—interface 2
Ž TN741—Tone-Clock
Ž TN746--Analog Line (16)
Ž TN760B—Tie Trunk.
One electrostatic discharge grounding strap.
Two Version 2 tape cartridges-One tape is used for system
operation and one for system backup.
One copy of each of the following:
Ž 555-200-105, AT&T System 75—System Maintenance
Ž 555-200-500, AT&T System 75—Administration
• 555-200-651, AT&T System 75—implementation (Version 2).
9
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