3Com 3C16895 - Manual (Page 14)

14 C HAPTER 1: S WITCH 7750 C OMPONENTS
Module LEDs The module LEDs show the status of the I/O modules, as described in Table 10.
Power LEDs PWR1, PWR2, and PWR3 LEDs show the status of the power modules, as
described in Table 11.
Fan LED Fan LEDs show the status of the fan frame, as described in Table 12.
Reset Button The reset button resets the entire system.
Fabric 32 Submodules 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)
4-Port 1000BASE-X-GBIC
Submodule
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.
Green flashing — Data is being transmitted.
Table 9 Ethernet Port LEDs (continued)
LED Description
Table 10 I/O Module LEDs
LED Status description
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 11 Power LEDs
LED Description
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 12 Fan LEDs
LED Description
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.