Allied Telesis AT-MMC1000/SP, Руководство по установке

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Chapter 1: Overview
22
Table 1. Media Converter LED Functional Descriptions
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
will not pass traffic.
Solid Green (with
Heartbeat)
The media converter is operational.
Note
The SYS LED flickers 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.
The error can occur when:

An SFP module is
not
installed.

An installed SFP module is
not
supported. See “Supported SFP
Modules” on page 19.
COPPER
P1 L/A
(L = Link;
A = Activity)
Off The port has not established a link.
Steady Green The port has an established link to a network
device, but it is not transmitting or receiving
network packets.
Rapid Blinking
Green
The port is transmitting or receiving network
packets.
Slow Blinking
Green
SML is on and detects a failure on the fiber
port.
FIBER P2
L/A
(L = Link;
A = Activity)
Off The port has not established a link.
Steady Green The port has an established link to a network
device, but it is not transmitting or receiving
network packets.
Rapid Blinking
Green
The port is transmitting or receiving network
packets.
Slow Blinking
Green
SML is on and detects a failure on the copper
port or the remote fiber port when operating
in a back-to-back configuration with another
AT-MMC1000/SP or an AT-MMC2000/SP
media converter. See Figure 7 on page 24.