Allied Telesis AT-GS2002 Series, Installation Manual

Page: 26 / 96

Chapter 1: Overview
26
Fiber Optic Port LEDs (SC Port or SFP Expansion Slot)
The fiber optic port LEDs indicate the operating status of the SC port on
the AT-GS2002 model converter, or the SFP transceiver installed in the
SFP slot on the AT-GS2002/SP model converter. Refer to Figure 6 on
page 24 for the location of these LEDs. Each AT-GS2002 Series
converter contains a pair of fiber optic port LEDs: LINK and ACT; as
defined in Table 4.
MODE push button LEDs
The MODE push button LEDs indicate the operating status of the three
operation modes: Link Test (LT), MissingLink (ML), and Smart
MissingLink (SML). Refer to Figure 6 on page 24 for the location of these
LEDs. Each AT-GS2002 Series converter contains three MODE push
button LEDs: ML, SML, and LT; as defined in Table 5 on page 26.
Table 4. Fiber Optic Port LEDs
LED Color Description
LINK Green Indicates a valid link has been established
between the port and the end-node.
Off Indicates that there is no link between the port
and the end-node.
ACT Green Indicates that the port is transmitting and/or
receiving data packets.
Off Indicates that there is no activity on the port.
Table 5. MODE Push Button LEDs
LED Color Description
ML Green MissingLink mode is enabled.
Off MissingLink mode is disabled.
SML Green Smart MissingLink mode is enabled.
Off Smart MissingLink mode is disabled.
LT Green Link Test mode is enabled.
Off Link Test mode is disabled.