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Chapter 2 Network configuration 93
Using the Business Policy Switch 2000 Version 1.2
Figure 11 Fail-safe stack example
Business Policy Switch stack operationBPS 2000 switches configured with Business Policy Switch software version 1.0
provide fail-safe stackability when you install the optional BayStack 400-ST1
Cascade Module. You can connect up to eight Business Policy Switches and
BayStack 450 switches to provide uninterrupted connectivity for up to 224 ports
(see “Fail-safe stack application.”). 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).
This section discusses the following stacking topics:
•“BayStack 400-ST1 Cascade Module” on page94
•“Base unit” on page96
CPUPS1PS2FAN
Business Policy Switch 2000
Key
100 Mb/s
1000 Mb/s
Up to
24 users
Up to
28 users
Up to
28 users
Up to
28 users
Up to
28 users
Up to
28 users
Up to
28 users
Up to
28 users
9842EA
Accelar switch
F
F