3Com 100BASE-FX - Manual (Page 7)

10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide 7
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In the 16-slot chassis:
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Do not install the module in slot 8 or slot 9. These slots are
reserved for GEN Switch Fabric Modules.
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Install the module in slot 1, 2, 3, 4, 5, 6, 7, 10, 11, or 12.
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3Com recommends that you do not install the module in slot 13,
14, 15, or 16 because these slots have only one connection to the
GEN Switch Fabric Module.
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Table 1, Table 2, and Table 3 list the relationship between the
following:
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24-port GEN Switch Fabric Module (SFM) (Model Number 3CB9FG24
or Model Number 3CB9FG24T)
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10-port 100BASE-FX FEN Switching Module
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Switching module slots in the 7-slot chassis, 8-slot chassis, and 16-slot
chassis, respectively
Table 4, Table 5, and Table 6 list the relationship between the following:
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24-port GEN Switch Fabric Module (SFM)
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20-port 10/100BASE-TX FEN Switching Module
■
Switching module slots in the 7-slot chassis, 8-slot chassis, and 16-slot
chassis, respectively
Table 7 and Table 8 list the relationship between the following:
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9-port GEN Switch Fabric Module (SFM) (Model Number 3CB9FG9)
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10-port 100BASE-FX FEN Switching Module
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Switching module slots in the 7-slot chassis and 8-slot chassis,
respectively
Table 9 and Table 10 list the relationship between the following:
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9-port GEN Switch Fabric Module (SFM)
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20-port 10/100BASE-TX FEN Switching Module
■
Switching module slots in the 7-slot chassis and 8-slot chassis,
respectively
Use the table information to help select a slot for your module, as well as
administer the system after you have completed the installation.