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Unpacking and Installing the Module 2 - 7
Status LED
The Status LED displays a steady green glow to indicate that power is being
provided to the EMM and that the EMM is working properly. This LED
blinks when an error occurs during operation or if an error is found when
diagnostics are performed during a reboot. Refer to Chapter 4,
Troubleshooting, for a description of the error codes.
Master Mgt Module LED
The Master Mgt Module LED displays a steady green glow if this EMM is
the master management module in the concentrator. It also displays a
green glow while a mastership election is in progress and during initial
installation. The LED is off when the EMM is a slave.
Table 2-1. Interpretation of the Ethernet Management Module LEDs
LED Name Color State Indicates
Status Green Off Power off
On Power on
Blinking Error
Master Mgt
Module
Green Off EMM is a slave
On EMM is a master
Download in
Progress
Yellow Off Not downloading
On Downloading new
software to EMM flash
EPROM