AT&T Definity Callmaster I Bedienerhandbuch PDF herunterladen (Seite 143)

UPGRADES AND ADDITIONS

System 75 XE Upgrade to DEFINITY Generic 1 EPN Without

Duplication

The System 75 XE is upgraded to the EPN Cabinet Without Duplication as follows:

Replace the Control Cabinet J58890G-1 with an Expansion Control Cabinet J58890N-1

Replace the TDM cables with WP91716 L3 TDM cables if required

Add and restructure port circuit packs

System 75 XE Upgrade to DEFINITY Generic 1 EPN With

Duplication

The System 75 Single-Carrier Cabinet is upgraded to the EPN cabinet With Duplication as fol-

lows:

Replace the Control Cabinet J58890G-1 with an Expansion Control Cabinet J58890N-1

Replace the TDM cables with WP91716 L3 TDM cables if required

Add and restructure port circuit packs

Add an Expansion Interface circuit pack to the first and second port cabinets

Add two TN768 Tone Clock circuit packs (one in the first cabinet and one in the second

cabinet)

Two TN776 Expansion Interface circuit packs are needed in the PPN cabinet. Two fiber links are

required to connect the Expansion Interface circuit packs.

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AT&T Definity Callmaster I Bedienerhandbuch Seite 143