Led Meanings - 3Com SuperStack II 32x Installation Manual

Table 4-2 System Software Load Errors (continued)
Status LEDs
1 2 3 4 Load LED Power/Fault LED Meaning and Action
On On On On On

LED Meanings

Table 4-3 LED Meanings
Associated
Model No. Connector
323, 327, Unshielded twisted
or 52x pair (UTP) or shielded
twisted pair (STP)
323, 327, UTP or STP
or 52x
323, 327, UTP or STP
or 52x
52x ISDN (D channel)
52x ISDN (D channel)
52x ISDN B1, B2
52x ISDN B1, B2
52x ISDN B1, B2
All V.35, Universal, or
RS-232
All V.35, Universal, or
RS-232
All V.35, Universal, or
RS-232
All Not applicable
All Not applicable
All Not applicable
All Not applicable
All Not applicable
All Not applicable
Yellow
Table 4-3 provides the meanings for the lit LEDs on a SuperStack II
bridge/router.
LED Meaning
16 MB The system is either attempting to enter or has successfully
entered the token ring at the rate of 16 MB. This LED will not
light if the system is either attempting to enter or has
successfully entered the token ring at the rate of 4 MB.
Active The system is transmitting or receiving traffic.
Fault The system is experiencing a problem with the token ring
connection. This LED resets if you reboot the system.
Line Act The ISDN line is activated.
Line Error Indicates a disconnected cable, or a loss of phantom power.
Link The path using B1 or B2 is up.
Connect An end-to-end B channel connection exists or is in progress.
Fault An error in the received frames is detected.
Link The path is up.
Active A physical connection to an active device has been established.
Fault An error in the received frames is detected.
Status Provides additional status for the Run, Load, and Test LEDs.
Run The system software has successfully loaded and started running.
Load The system software is being loaded.
Test The system is executing self-tests.
Fwd A packet is being forwarded between any two ports.
Power/ When the LED is green, the system has power and is
Fault operational. When the LED is yellow, a problem is preventing
normal operation.
Write to Flash File System failed.
Call your network supplier for assistance.
LED Meanings 4-3