Instruction Manual

Quick Install Guide 9
C613-04030-01 REV H
Table 3: LEDs on the AT-SB4441 8-port 1000BASE GBIC Line Card.
LED State Function
L/A
(Link/Activity)
Green A link is open.
Flashing Green Activity is occurring.
Amber The port is operating in half-duplex mode. The
L/A LED for port 1 briefly lights at switch
power-up or when the card is hot swapped.
Flashing Amber Half-duplex activity is occurring.
Off No link is present.
GBIC Status Green A GBIC is installed and enabled.
Amber A GBIC is installed but disabled.
Flashing Amber A fault is occurring on the link.
Off No GBIC is installed.
Table 4: LEDs on the AT-SB4442 V2 24-Port (SFP) Gigabit Line Card.
LED State Function
SFP
(Link/Activity)
Steady Green
Glow
For fibre SFPs:
The SFP is able to send and receive a light
signal.
For copper SFPs:
Communication at 1 Gbps has been
established.
Flashing Green Data activity is taking place.
Steady Amber
Glow
The SFP has been inserted.
Flashing Amber The SFP is not functioning correctly.
Off No link is present.
Table 5: LEDs on the AT-SB4541 1-port (XFP) 10GBASE-R Line Card.
LED State Function
L/A
(Link/Activity)
Green Communication has been established.
Flashing Green 10GE activity is occurring
Off No link is present
XFP Green An XFP is installed and enabled
Amber An XFP is installed, but disabled.
Flashing Amber An XFP is not ready, or faulty.
Off No XFP is installed