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6 CHAPTER 1: SWITCH 8800 COMPONENTS
Fabric Module The Fabric module (3C17508) is the core of Switch 8800 system. It has the
following functions:
■ Connects the I/O modules through a crossbar
■ Manages and calculates routing table updates
■ Performs software upgrade and system reset functions
■ Monitors system power and the fan assembly
■ Provides timing
Figure 1 illustrates the front panel of the Fabric.
Figure 1 Switch 8800 Fabric
Table 4 lists Fabric specifications.
Reset Button The reset button resets the entire system.
Fixed Ports The Switch 8800 Fabric module provides the following fixed ports:
■ Compact Flash (CF) Port
■ Management 10Base-T/100Base-TX port
1 Compact Flash port 7 I/O module LEDs
2 Management 10BASE-T/100BASE-TX port 8 SFS LED
3 RS232/485 port 9 RUN LED
4 Console port 10 ALM LED
5 AUX (modem) port 11 ACT LED
6 Reset button
Table 4 Fabric Specifications
Item Specification
Bandwidth 360 Gbps
CPU MPC755 133 Mhz
BootROM 512 KB
SDRAM 512 KB
Flash 16 MB
Dimensions (L x W) 366.7 mm x 340 mm (14.5 x 13.5 in)
External ports One console port for local configuration management
One AUX port for remote dial-up configuration management
One 10BASE-T/100BASE-TX port for upgrade and network management
One RS232/485 port for connecting an external PoE power rack
One hot-swap Compact Flash port
Maximum power
consumption
70 W
1
23456
7
8
91011