3Com 3C16850, Installation Manual

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10 C
HAPTER
1: S
WITCH
7700 C
OMPONENTS
Fabric Module
There are two Fabric modules for the Switch 7700:
■
Fabric 64 (3C16857 or 3C16857R)
■
Fabric 32 (3C16872)
The Fabric 64 and Fabric 32 are not interchangeable. You can install the Fabric 32
only in a 4-slot chassis. You can install the Fabric 64 only in the 7- or 8-slot chassis
The Fabric module is the core of Switch 7700 system. It has the following
functions:
■
Connects the I/O modules through the backplane and forwards Layer 2 and
Layer 3 data
■
Manages and calculates routing
■
Performs the switch’s software upgrade and system reset functions
■
Monitors system power and the fan frame
Figure 1 illustrates the front panel of the Fabric 64.
Figure 1 Fabric 64
1 Reset button
2 Console port
3 Ethernet port
4 Ethernet port LEDs
5 Fan LEDs
6 Power module LEDs
7 I/O module LEDs
Figure 2 illustrates the front panel of the Fabric 32.
Figure 2 Fabric 32
1 Submodule slot
2 Console port
3 Ethernet port
4 Ethernet port LEDs
5 Fan LEDs
6 Power LEDs
7 I/O module LEDs
8 Reset button
3C16857 3C16857
1 2 3 4
5 6 7
3C16872 3C16872
1 2 3 4 5 6 7 8