3com 3C17500 Manual De Usuario

C

HAPTER

 1: S

WITCH

 8800 C

OMPONENTS

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.

The reset button resets the entire system. 

The Switch 8800 Fabric module provides the following fixed ports:

■

■

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 

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

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