Instruction Manual

Quick Install Guide 9
C613-04030-01 REV E1
More troubleshooting information can be found in the SwitchBlade Hardware
Reference.
Table 3: LEDs on the AT-SB4311 48-port 10/100BASE (RJ-45) Line Card.
LED State Function
L/A
(Default)
Green A 100 Mbps link is open
Flashing green 100 Mbps activity is occurring
Amber A 10 Mbps link is open. The L/A LEDs for ports
1 and 25 briefly light at switch power up or
when the card is hot swapped in
Flashing amber 10 Mbps activity is occurring
D/C
(LED Mode
button pressed)
Green The port is operating at full-duplex
Amber The port is operating at half-duplex
Flashing amber Collisions are occurring
Table 4: LEDs on the AT-SB4352 32-port 100BASE-FX (MT-RJ) Line Card.
LED State Function
L/A
(Link/Activity)
Green A 100 Mbps link is open
Flashing Green 100 Mbps activity is occurring
Amber The L/A LEDs for ports 1 and 17 briefly light at
switch power up or when the card is hot
swapped in
D/C
(Duplex/Collision)
Green The port is operating at full-duplex
Amber The port is operating at half-duplex
Flashing Amber Collisions are occurring
Table 5: 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 at half-duplex. The L/A
LED for port 1 briefly lights at switch power up
or when the card is hot swapped in
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