3Com 3C17539 Installation Manual page 23

The AUX port uses an RJ-45 connector. The port can serve as a backup port for the
Console port to connect a background terminal, or directly connect a modem
device, for remote system debugging, configuration, maintenance and
management.
Table 19 AUX port specifications
Item Description
Connector RJ-45
Standard Asynchronous EIA/TIA-232
Service Connects a serial port of a PC (through a Modem pair for a remote PC) and runs
terminal emulation on the PC.
RESET button
You can press the RESET button on the panel to reset the 720 Gbps Switch Fabric
module.
Status LEDs
CF status LED
■
You can learn the operating status of the CF card by reading the CF status LED on
the panel.
Table 20 CF status LED
LED Status
CFS ON The CF card is in position and is idle. You cannot remove the card.
Blinking The CF card is in position and reading/writing data. You cannot remove
the card.
OFF The CF card is out of position or offline (you can force the in-position CF
card to go offline using the appropriate background command). You can
remove/insert the card.
Status LEDs for I/O module
■
The 720 Gbps Switch Fabric module has 12 pairs of LEDs to indicate the operating
status of 12 I/O module.
Table 21 Status LEDs for I/O module
LED Status
RUN ON
OFF
Blinking (1s)
Fast blinking (125 ms) The module is booting or not registered successfully.
ALM ON
OFF
0~5, Indicate slots 0 through 5 and slots 8 through 13
8~13
Status LEDs for the 720 Gbps Switch Fabric module
■
The module is faulty.
The module is faulty or out of position.
The module is running normally.
The module has alarms.
The module has no alarms or is out of position.
Fabric Modules 23