Nortel Networks 1000ASE-XD, 1000BASE-SX manual In Unit Unit Unit Unit Unit Unit Unit Unit, 10002EA

Chapter 2 Network configuration 53

Figure 10 Stack down configuration example

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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