BayStack 450 10/100/1000 Series Switches

Stack Operation

BayStack 450 switches that are configured with BayStack 450 software version V1.1.0 or later provide fail-safe stackability when you install the optional BayStack 400-ST1 Cascade Module. You can connect up to eight switches to provide uninterrupted connectivity for up to 224 ports (see Fail-Safe Stack Application” on page 1-22). The entire stack is manageable as a single unit. Installation instructions are provided with the BayStack 400-ST1 Cascade Module (see your Nortel Networks sales representative for ordering information).

BayStack 400-ST1 Cascade Module

Note: The BayStack 400-ST1 Cascade Module will not operate with BayStack 450 switches that are configured with BayStack 450 software versions earlier than version V1.1.0.

If you need to upgrade your BayStack 450 switches, refer to the upgrade instructions provided in the Installing the BayStack 400-ST1 Cascade Module guide. You must upgrade the switch before installing the BayStack 400-ST1 Cascade Module. The front-panel components of the BayStack 400-ST1 Cascade Module are shown in Figure 1-10.Component descriptions follow the figure.

1

 

Unit Select

 

Cascade A Out

 

 

Base

Cascade A In

 

 

4

23

1 = Blank connectors (unused)

2 = Cascade A Out connector

3 = Unit Select switch

4 = Cascade A In connector

BS0031B

Figure 1-10. BayStack 400-ST1 Front-Panel Components

302401-D Rev 00

1-23

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Nortel Networks 450 manual Stack Operation, BayStack 400-ST1 Cascade Module