S W I T C H 7 7 0 0 C O M P O N E N T S
3.1.3. Fabric Module
The Fabric 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
Fulfills the switch’s software upgrade and system reset functions
Monitors system power and the fan frame
A detailed description of Fabric attributes is provided in Table 3
Table 3
Fabric attributes
Item
Fabric Module (3C16857)
CPU MPC8260
BootROM 1MB
SDRAM 128MB
Flash 16MB
Dimensions
(
L x W)
366.7mm x 340mm
External ports
One console port, supporting local and remote dial-up configuration
management of the switch.
One 10BASE-T/100BASE-TX port for upgrade and network management
Maximum power consumption
80W
The front panel of the Fabric has a reset button; a console port; a 10BASE-T/100BASE-TX port; and 11 LEDs that
show the status of the I/O modules, Fabric, power modules, and fan frame, as shown in Figure 3.
Figure 3 The Fabric (3C16857) front panel
3C16857
LI
NK
ACT
CONSOLE 10/ 100BASE- TX
RE
SE
T
OK
FAI
L
FAN PWR
1
PWR
2
RUN
PWR
3
LPU
1
LPU
2
LPU
3
LPU
4
LPU
5
LPU
6
SRP
U
ALM
3.1.4. Reset Button
The reset button resets the entire system.
3.1.5. Console port
The console port is connected to the configuration terminal using an RJ-45 connector for system debugging,
configuration, maintenance, management, loading application files. The console port can also be connected to a
modem for functions such as, system remote debugging, configuration, maintenance and management etc. You can
configure the baud rate on the console port. Detailed console port attributes are described in Table 4.
Table 4 Console port attributes
Attribute Description
Port connector
RJ-45
Port standard
Asynchronous EIA/TIA-232
Baud rate
9600bps
(
by default)
Transmission distance
15m (45 ft)
12