Peripheral Node; Peripheral Unit Components - Mitel 3300 ICP Hardware User's Manual

3300 ICP Hardware User Guide
Note: When the 3300 Universal ASU is in reset condition it goes into System Fail Transfer mode.
While in this mode, the 4 ONS pre-defined circuits and the corresponding LS circuits will be
connected together by hardware relays allowing callers to make calls without any local call control
intervention (telephones are connected directly to the CO or exchange).

Peripheral Node

Peripheral Unit Components

Each peripheral cabinet holds up to 12 Peripheral Interface Cards and provides up to 192 ONS
or DNI ports. With the Peripheral Unit Expansion, a slave cabinet can be added that expands
the unit up to a total of 384 ports and 24 Peripheral Interface cards (the number of voice channels
remains the same). One Peripheral Switch Controller (PSC) card and one Fiber Interface
Module (FIM) is installed in the master cabinet of each Peripheral Unit. The PSC card provides
control for all Peripheral Interface cards, and fiber optic cable connects the FIM to the main
control.
The 3300 Peripheral Cabinet fits into a 19" rack. All components are the same as for existing
peripheral cabinets, only the cabinet frame is slightly smaller. This cabinet is dark grey in color
and cannot be used with peripheral stacking brackets.
The peripheral cabinet consists of the following components:
72 Release 3.3