3com 3C16894 4-slot Chassis User Manual

C

HAPTER

 1: S

WITCH

 7750 C

OMPONENTS

The module LEDs show the status of the I/O modules, as described in Table 9.

PWR1, PWR2, and PWR3 LEDs show the status of the power modules, as 
described in Table 10.

Fan LEDs show the status of the fan frame, as described in Table 11.

The reset button resets the entire system. 

The Fabric 32 provides a slot for one submodule. The Fabric 32 supports the 
following submodules:

■

4-Port 1000BASE-X-GBIC Submodule (3C16874)

■

4-Port 10/100/1000BASE-T Submodule (3C16873)

The 4-port 1000BASE-X-GBIC submodule provides four GE full-duplex Ethernet 
GBIC ports. 

Figure 4 illustrates the 4-port 1000BASE-X-GBIC submodule.

ACTIVE

Green — No data is being transmitted or received.

 

Green flashing — Data is being transmitted or received. 

Table 8   Ethernet Port LEDs (continued)

Table 9   I/O Module LEDs 

RUN

Green or off — The module failed or has not been inserted.

 

Green flashing — The module is working normally.

ALM

Off — The module is working normally or has not been 
inserted.

 

Green or green flashing — The module failed or is not 
working normally.

Table 10   Power LEDs 

OK

Green — The corresponding power module is working 
normally. 

 

Off — The corresponding power module is not working or 
has not been installed.

FAIL

Green — The corresponding power module is not working.

 

Off — The corresponding power module works normally or 
has not been installed.

Table 11   Fan LEDs 

OK

Green — The fan is working normally. 

 

Off — The fan is not working or has not been installed. 

FAIL

Green — The fan is not working.

 

Off — The fan is working normally or has not been installed.