Nortel-networks 450 User Manual download pdf (Page 50)

Using the BayStack 450 10/100/1000 Series Switch

1-24

302401-D Rev 00

Cascade A Out Connector

Provides an attachment point for connecting this unit to another unit via the

cascade cable. A return cable from another unit’s Cascade A Out connector to this

unit’s Cascade A In connector completes the stack connection (see the example

shown in Figure 1-11

Unit Select Switch

The Unit Select switch (up = Base) determines the base unit for the stack

configuration (see “

Base Unit” on page 1-25). The Unit Select switch status is

displayed on the BayStack 450 LED display panel. When the Unit Select switch is

in the Base (up) position, all other Unit Select switches in the stack configuration

must be set to Off (down).

Cascade A In Connector

Provides an attachment point for accepting a cascade cable connection from an

adjacent unit in the stack. A return cable from this unit’s Cascade A Out connector

to the adjacent unit’s Cascade A In connector completes the stack connection (see

the example shown in Figure 1-11

Figure 1-11. Connecting Cascade Cables

Cascade A Out

Unit 1

Cascade A Out

Cascade A In

Unit 2

1 = Base unit

2 = 303978-A cascade cable

3 = 303978-A cascade cable (used for return)

BS0032B

Cascade A InUnit Select

Cascade A Out

Cascade A InUnit Select

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Nortel-networks 450 User Manual Page 50