3

Nomenclature and Functions

This chapter describes the names and functions of each part of the ATM Switch.

Nomenclature

Description and function of components

Slot number of each package

Line number

Nomenclature of the ATM Switch

Front View

Power Unit

 

The power unit supplies power to the components of the ATM Switch. It draws DC

 

-40 to -58V as the power input. The power unit is installed on the top right-hand

 

side of the front of the ATM Switch. The power unit may be redundant.

Switch/CPU Card

This is the basic component of the ATM Switch. It is capable of switching ATM cells at a maximum speed of 2.5 Gbps. It also controls the entire switch. The switch/ CPU card is installed on the bottom right-hand side of the front of the ATM Switch.

Front Plate

The Front Plate is installed in empty line card slots.

Fan Unit

The fan units force internal heat outside. The air flows from the right to left.

RS-232C Port

This is a 9-pin D-SUB connector used by service personnel to connect a

Maintenance and Administration Terminal (MAT).

Centillion 1200N ATM Switch User Manual

3-1

NTP 297-8103-903

 

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Image 29
Panasonic 1200N manual Nomenclature of the ATM Switch, Front View