Chapter 2 Network configuration 53

Figure 10 Stack down configuration example

1

2

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

100-240 V-

50-60Hz 2A

In

Unit 1

Unit 2

Unit 3

Unit 4

Unit 5

Unit 6

Unit 7

Unit 8

3

Out

4

10002EA

Table 8 describes the stack down configuration illustration references.

Table 8 Stack down configuration description

Item

Description

 

 

1

Base unit

 

 

2

Last unit

 

 

3

Stacking cable 30 cm (order number AL 2018005)

 

 

4

Stacking max-return cable 1 m (part number AL 2018006)

 

 

Certain network management station (NMS) applications assume a stack down configuration for the graphical user interface (GUI) that represents the stack (see Figure 10). For this reason, Nortel Networks recommends that you always configure the top unit in the stack as the base unit.

Using the BayStack 420 10/100/1000 Switch

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Nortel Networks 1000ASE-XD, 1000BASE-SX, 1000BASE-LX Stack down configuration example, Stack down configuration description