Comtrol DeviceMaster PRO Installation And Configuration Manual page 54

DeviceMaster 1/4/8/16/32-Port Models
54 - Connecting Serial Devices
1-Port (Standard) LEDs
The amber Status LED on the device is lit, indicating you have power and
it has completed the boot cycle.
Note: The Status LED flashes while booting and it takes approximately 15
Status
seconds for the Bootloader to complete the cycle. When the
Bootloader completes the cycle, the LED has a solid, steady light
that blinks approximately every 10 seconds.
Link
If the red Link Act LED is lit, it indicates a working Ethernet connection.
Act
If the red Duplex LED is lit, it indicates full-duplex activity.
Duplex
If the red 100 LED is lit, it indicates a working 100 MB Ethernet
connection (100 MB network, only). If the LED is not lit, it indicates a 10
100
MB Ethernet connection.
When lit, the amber Status LED (D1) on the DeviceMaster indicates the
devices is fully powered and has completed the boot cycle.
Note: The Status LED flashes for approximately 15 seconds while
Status
booting. When the Bootloader completes the cycle, the LED has a
solid, steady light that blinks approximately every 10 seconds.
When lit, the red Link/Act LED (D2) indicates a working Ethernet
Link/
connection.
Act
When lit, the red Duplex (D3) LED indicates full-duplex activity.
Duplex
When lit, the red 100 (D4) LED indicates a working 100 MB Ethernet
connection (100 MB network, only). If the LED is not lit, it indicates a 10
100
MB Ethernet connection.
LEDs - 4/8-Port with DB9 Connectors
If the LINK ACT LED (UP or DOWN) is lit, it indicates a working
LINK ACT
Ethernet connection.
If the COL LED is lit, it indicates a network collision.
COL
If the 100 LED is lit, it indicates a working 100 MB Ethernet
connection (100 MB network, only). If the LED is not lit, it indicates a
100
10 MB Ethernet connection.
The Rx (amber) and Tx (green) LEDs next
to each port provides information about the
Rx/Tx
network connection of the serial port.
When lit, the PWR LED (reverse side from the serial connectors) on
the DeviceMaster indicates the devices is fully powered and has
completed the boot cycle.
PWR
Note: The PWR LED flashes for approximately 15 seconds while
booting. When the Bootloader completes the cycle, the LED has
a solid, steady light that blinks approximately every 10 seconds.
1-Port Embedded LEDs
DeviceMaster Installation and Configuration Guide: 2000506 Rev. B
RX1*
TX1*
* Represents port number.