Instruction manual

UPGRADES AND ADDITIONS
System 75 Upgrade to DEFINITY Generic 1 PPN With Duplication
The System 75 Versions 1 (V1), 2 (V2), or 3 (V3) upgrade to DEFINITY Generic 1 with duplica-
tion requires the following:
Replacing the J58890AA-1/J58890AB-1 Control Carrier with a J58890AH-1
Control Carrier
Replacing TN711 Processor circuit pack with a TN773 Processor circuit pack
Replacing TN734 Memory circuit packs with a TN770 Memory circuit pack
Replacing TN727 Network Control circuit pack with a TN777 Network Control circuit pack
Replacing TN741 Tone Clock circuit pack with a TN768 Tone Clock circuit pack
Replacing the TDM cables with new WP91716 L1 and L2 TDM/LAN cables
Adding a new TN774 tape drive circuit pack and removing the HCMR/RMSS tape drive
Adding a TN765 Processor Interface circuit pack if required
Replacing the J58890BB-3 Port Carrier in position B with a J58890AJ-1 Duplicated Con-
trol Carrier that contains the following circuit packs.
— Processor circuit pack TN773
— Memory circuit pack TN770
— Tape Drive circuit pack TN774
— Network Control circuit pack TN777
— Duplication Interface circuit pack TN772
— Tone Clock circuit pack TN768 in both J58890AJ-1 and J58890AH-1
Adding a TN772 Duplication Interface circuit pack to the J58890AH-1 Control Carrier
Adding the inter-carrier cable between the J58890AH-1 Control Carrier and the
J58890AJ-1 Duplicated Control Carrier
Adding the new software tape to the tape drive in both the J58890AH-1 Control Carrier
and the J58890AJ-1 Duplicated Control Carrier
Activating and administering new features
If an EPN is required, an EPN cabinet is added. Two TN776 Expansion Interface circuit packs
are needed in the PPN cabinet. Two fiber links are required to connect the Expansion Interface
circuit packs.
136