User`s guide

40 Chapter 3 Identifying Hardware Components
3.2.2.4 DSN-3400 LEDs
Two LEDs next to the XFP connector show transmit (Tx) and receive (Rx) activity on the host
network interface.
Table 3-5 describes the Tx and Rx LED indicators on the back of the XStack
DSN-3400.
Table 3-5 Host Network Connection LED Indicators on the XStack DSN-3400 Enclosure
LED Color Description
OFF There is no transmit activity. Tx Link
Blinks Green There is transmit activity from the XStack DSN-3400.
OFF There is no receive activity.
Solid Yellow A 10GbE connection has been established.
Rx Link
Blinks Yellow There is receive activity with the XStack DSN-3400.
In addition, the management port has two bicolor LED indicators that show the activity/link
and speed for this port.
Table 3-6 describes the management port LEDs and Figure 3-8 shows
their location.
Table 3-6 Management Port LED Indicators on the XStack DSN-3400 Enclosure
LED Color Meaning
Green ON Link is operational.
Green Blinking Data is being transmitted or received on the RJ-45 port.
Yellow OFF Connection has been established at 10 Mbps.
Activity/Link
Yellow ON Connection has been established at 100 Mbps.
OFF Data is being sent or received at 10 Mbps. Port Speed
Yellow Data is being sent or received at 100 Mbps.
3.2.3 Rear Vents
Figure 3-4 shows air vents that allow the exit of air through the rear of the chassis. Please be
sure these vents are not blocked.