Allied Telesis SwitchBlade Line Card - Manual (Page 8)

8 SwitchBlade Line Card
C613-04030-01 REV H
Line Card LEDs
The following LEDs will operate if the line card is installed in conjunction with
a properly configured switch controller, at least one functional PSU, and a fan
tray.
For the AT-SB4311 48-port line card, one LED is provided for each port. The
default is for the LED to show link activity (L/A). To see Duplex/Collision
activity (D/C), press and hold the LED Mode button located on the line card’s
front panel
Table 1: LEDs on the 4412 24-port 10/100/1000BASE (RJ-45) Line Card .
LED State Function
L/A
(Link activity)
Green A 1000 Mbps link is open.
Flashing green 1000 Mbps activity is occurring.
Amber A 10/100 Mbps auto-negotiating link is open.
The L/A LED for port 1 briefly lights at switch
power up, or when the card is hot swapped.
Flashing amber 10 or 100 Mbps activity is occurring.
D/C
(Duplex/Collision)
Green The port is operating in full-duplex mode.
Amber The port is operating in half-duplex mode.
Flashing amber Collisions are occurring.
Table 2: 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.
D/C
(Duplex/Collision)
Green The port is operating in full-duplex mode.
Amber The port is operating in half-duplex mode.
Flashing Amber Collisions are occurring.