Cluster Configurations
893-743-A
3-13
2.
Connect the Model 280x hubs to the Model 281xSA hub, using the
Model 988 Expansion Cable that was shipped with each Model 280x
hub (see Figure 3-11).
a. Connect the DB-25 connector on one end of the expansion cable to the
expansion port on the Model 280x hub.
b. Connect the other end of the expansion cable to an available expansion
port on the Model 281xSA hub. At this point, if the hub power is on,
one LED lights on each hub, as follows:
■
The Expansion Status LED on the Model 281xSA hub lights.
■
The associated Expansion LED on the Model 280x hub lights.
Figure 3-11. Connecting a cluster configuration
EXPANSION 2
EXPANSION 3
EXPANSION 4
EXPANSION 5
EXPANSION
TERMINAL PORT
EXPANSION
TERMINAL PORT
EXPANSION
TERMINAL PORT
EXPANSION
TERMINAL PORT
Model 281xSA
hub
Model 280xSA
hub
4655