Instruction manual

UPGRADES AND ADDITIONS
DEFINITY Generic 1 EPN SCC Upgrade to DEFINITY Generic 3r
EPN SCC Without Duplication
The DEFINITY Generic 1 EPN SCC upgrade to DEFINITY Generic 3r EPN SCC requires the fol-
lowing:
Remove TN776 Expansion Interface circuit pack (located in port slot 1 of cabinet position
A Expansion Control Cabinet J58890N). This will not be reused.
Install TN570 Expansion Interface circuit pack in port slot 1 of cabinet position A Expan-
sion Control Cabinet J58890N.
Port circuit packs that must be upgraded for G3r functionality can be installed at this
time. See Table U for a list of the circuit packs and their replacements.
DEFINITY Generic 1 PPN SCC Upgrade to DEFINITY Generic 3r
EPN SCC Without Duplication
The DEFINITY Generic 1 PPN SCC upgrade to DEFINITY Generic 3r EPN SCC requires the fol-
lowing:
Remove all port circuit packs in the cabinet position A Control Carrier J58890L. These
will be reused in the carrier replacement.
Remove TN776 Expansion Interface circuit pack (located in port slot 1).
Remove all other control circuit packs. These will not be reused except for TN768 Tone
Clock. A Control Cabinet supporting a single port network will have a TN756 Tone Gen-
erator Clock instead of the TN768 Tone Clock. The TN756 Tone Generator clock cannot
be used in the upgrade, and must be replaced with the TN768 Tone Clock.
Remove power unit (WP91153 for AC systems and 676B for DC systems). This will be
reused.
Remove inter-carrier cables. Only TDM/LAM bus cables (WP-91716, L3) and terminator
(AHF110) will be reused.
Replace Control Cabinet J58890L in cabinet position A with Expansion Control Cabinet
J58890N in the cabinet position A.
Reapply the TDM/LAN bus cables and terminator.
Install power unit (WP91153 for AC systems and 676B for DC systems).
Install TN775 Maintenance circuit pack.
Install TN570 Expansion Interface circuit pack in port slot 1.
Install TN768 Tone Clock circuit pack.
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