Specifications

12 x900 Series Switch
C613-03092-00 REV D
SFP port LEDs
LED State Description
L/A
(Link Activity)
Green On x900-48FE and AT-8948 switches, a 1000Mbps
link has been established.
Green flashing On x900-48FE and AT-8948 switches, a full duplex
activity is occurring at 1000Mbps.
Off When an SFP is installed on x900-48FE switches, but
a link has not been established.
When an SFP is installed on the AT-8948, the link is
closed.
SFP Green On AT-9900 and x900-24X switches, an SFP
transceiver is installed and a link has been
established.
On AT-8948 and x900-48FE switches, an SFP
transceiver is installed.
Green flashing On AT-9900 and x900-24X switches, an SFP
transceiver is installed and a link activity is occurring.
Not valid for x900-48FE switches.
Amber On AT-9900 and x900-24X switches, an SFP
transceiver is installed but a link has not been
established.
Amber flashing An SFP transceiver is installed but there is a
transmission fault.