8: Status Light Behavior UBox User Guide 62
Figure 8-4. UBox Status Lights -- UBox is Running
Light Color Status
Green Slowing Blinking (on for 3 seconds then off/on):
UBox is working.
OFF or ON (does not blink):
SYSTEM 1
If the light is off, the UBox is not receiving power. If the light is
on, the UBox has crashed and needs to be reset (see Resetting
the UBox Hardware on page 55).
Red/Amber SYSTEM 2= OFF and SYSTEM 3= OFF:
UBox is currently working as it detects users connecting to the
UBox.
SYSTEM 2= ON and SYSTEM 3= OFF:
UBox is configured to use a static IP and does not detect any
users connected to the UBox.
SYSTEM 2= ON and SYSTEM 3= ON:
UBox has obtained an IP address using DHCP and does not
detect any users connected to the UBox.
SYSTEM 2=OFF and SYSTEM 3= ON:
SYSTEM 2
- 3
UBox obtained an IP address using Zeroconfig and does not
detect any users connected to the UBox.
Green ON/OFF:
NETWORK
1 If the light is on, the UBox has detected a link speed of 100
Mbits. If the light is off and NETWORK 3 is on, the link speed is
10 Mbits.
Green ON/OFF:
If the light is on, the UBox’s Ethernet port is in full-duplex mode.
If the light is off and NETWORK 3 is on, the Ethernet port is in
half-duplex mode.
Blinking:
NETWORK
2
Packet collision has occurred. This is a normal and self-
recovering occurrence with Ethernet.
Green ON or Blinking:
UBox has detected an Ethernet connection. This light blinks
during data transmission.
NETWORK
3
If the light is off, no Ethernet connection was detected.
ON (does not blink):
UBox is working. If a USB device is connected to the USB port,
this light indicates that the USB UBox supports your USB device.
Blinking (only appears when a USB device is connected):
USB 1 - 4
UBox hardware does not support your USB device, you have
connected more than 8 USB devices (by using multiple
compound USB devices), or the UBox is having problems
communicating with the device. Please check the UBox's USB
device compatibility on the Lantronix web site or contact
Lantronix Tech Support.