3Com 3C16895, Installation Manual

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10 C
HAPTER
1: S
WITCH
7750 C
OMPONENTS
Fabric Module
There are two Fabric modules for the Switch 7750:
■
Fabric 64 (3C16857 or 3C16857R)
■
Fabric 32 (3C16872)
■
PoE Fabric 96 (3C16886)
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-slot chassis. You
can install the PoE Fabric 96 in both chassis.
The Fabric module is the core of Switch 7750 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 PoE Fabric 96.
Figure 1 PoE Fabric 96
1 Compact Flash port
2 1000BASE-X-SFP ports
3 Console port
4 Ethernet port
5 Ethernet port LEDs
6 Fan LEDs
7 Power LEDs
8 I/O module LEDs
9 Reset button
Figure 2 illustrates the front panel of the Fabric 64.
Figure 2 Fabric 64
1 Reset button
2 Console port
3 Ethernet port
4 Ethernet port LEDs
3C16886
1 2
3
4 5 6 7
8
9
3C16857 3C16857
1 2 3 4
5 6 7