Comtrol DeviceMaster AIR User Manual page 32

Connecting Devices
32 - DeviceMaster AIR User Guide: 2000365 Rev. C
The DeviceMaster AIR 1-port has four LEDs on the top of the unit that
provide information about the network connection of the serial port.
LED
The amber Status LED on the device is lit,
indicating you have power and it has
completed the boot cycle.
Status
Note: The Status LED flashes while
If the red Link Act LED is lit, it indicates
Link Act
a working Ethernet connection.
If the red Duplex LED is lit, it indicates
Duplex
full-duplex activity.
If the red 100 LED is lit, it indicates a
working 100 MB Ethernet connection
100
(100 MB network, only).
Description
booting and it takes approximately
15 seconds for the bootloader to
complete the cycle.
Connecting Serial Devices