Instruction Manual

8 SwitchBlade Line Card

C613-04030-01 REV E1

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.

1.Includes LEDs on the following models:

AT-SB4451 8-port 1000BASE-SX (SC)

AT-SB4452 8-port 1000BASE-SX (MT-RJ)

AT-SB4461 8-port 1000BASE-LX (SC)

AT-SB4462 8-port 1000BASE-LX (MT-RJ)

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 (on the line card’s front

panel).

Table 1: LEDs on the AT-SB4411 8-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 in

Flashing amber 10 or 100 Mbps activity is occurring

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 2: LEDs on 8-port 1000BASE Fibre Line Cards