Chapter 1: Overview
54
Note
Breakout cables are supported in 26-port x930 Switches. They are
not supported in 52-port switches.
Each transceiver port has one LED. The states of the LED are defined in
Table 12.
The LED states for breakout cables are described in Table 13.
Table 12. AT-StackQS Card LEDs
LED State Description
L/A (Link/
Activity)
Off The port is not connected to another
network device, the device is not powered
on, or the LEDs are turned off. To turn on
the LEDs, use the eco-friendly button.
Solid green The port has established a 40Gbps link to
network device.
Flashing
green
The port is transmitting or receiving
network packets.
Table 13. AT-StackQS Card LEDs with 10Gbps Breakout Cables
State Description
Solid Amber At least one of the four ports on the
breakout cable has established a 10Gbps
link to a network device.
Flashing Amber At least one of the four ports on the
breakout cable is sending or receiving
data.
Off Possible causes of this state are listed
here:
- The transceiver port is empty.
- None of the ports on the breakout cable
have established links to network
devices.
- The LEDs are turned off. To turn on the
LEDs, use the eco-friendly button.