Allied Telesis AT-MMC200/LC, Installation Manual

Page: 24 / 66

Chapter 1: Overview
24
LEDs
Figure 8 shows the PWR and SYS LEDs on the back panel.
Figure 8. PWR and SYS LEDs on the Back Panel
Table 3 describes the media converter’s LEDs on the back panel.
PWR
SYS
Table 3. Media Converter LED on the Back Panel
LED State Description
PWR
Off The media converter is not receiving power.
Steady Green The media converter is receiving power.
SYS
Off The media converter is not operational and
does not pass traffic.
Solid Green
(with
Heartbeat)
The media converter is operational.
Note
The SYS LED will flicker briefly at a
regular interval. This “heartbeat”
indicates that the internal system is
running normally.
Slow Blinking
Green
An error is present on the media converter.
For the AT-MMC2000/SP media converter,
no SFP module is installed or an error is
present.