3Com CoreBuilder 9000 Quick Start Manual page 15

20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide
Table 6 describes LED colors and definitions.
Table 6 Module and Port Status LED Indicators
LED
Module Status
Port Status
You can access and manage your FEN switching module using several
Managing the
methods:
Module
The Administration Console and most of Web Management are
embedded parts of the software and are available for immediate use to
manage your module.
State or Color
Green
Off
Flashing Green
Yellow
Green
Off
Flashing Green
Yellow
The Administration Console
The Web Management suite of applications
An external SNMP-based network management application such as
®
3Com's Transcend Network Control Services
Definition
Power is on (normal operation).
After initial insertion or module reset,
the LED shuts off for approximately 3
seconds. If the LED remains off, it
indicates that the module is not
receiving power. See the
CoreBuilder 9000 Enterprise Switch
Getting Started Guide for power supply
replacement information.
Diagnostics or software download is in
progress.
Diagnostic failure.
Port is enabled and link is up.
Port is disabled or link is down.
Port is receiving or transmitting packets.
Malfunctioning port or module.
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