3Com CoreBuilder 9000 Quick Start Manual page 3

Status LEDs
Table 1 lists the status LEDs and explains their modes. If one EME is
installed in the chassis, you can install an EMC in the adjacent slot. If two
EMEs are installed, you cannot install an EMC.
Table 1 EME Front Panel Status LEDs
LED Mode
Active Off
Green
Off
Stby
(Standby)
Green
Off
10B-T
Green
Flashing green
Yellow
Character Display LEDs
The four-character display LEDs display alphanumeric information about:
The current operating state of the module.
The release number of the EME embedded software.
Any environmental fault. For example, when a power supply, fan, or
overheat fault occurs, the fault automatically appears in the character
display.
When you press the DSPLY button, the character display LEDs default to
the module's operating state.
Enterprise Management Engine Quick Start Guide
Description
No power
EME is the Primary
EMC in the other slot is Active
No power
EME is the Secondary
EMC in the other slot is in Standby mode
Port is disabled or there is no link
Port is active, enabled, and the link is OK
Traffic activity (receive only)
Error
3