Comtrol 500 DeviceMaster - Manual (Page 34)

34 - Connecting Serial Devices DeviceMaster 500 User Guide: 2000501 Rev. A
Connecting Serial Devices
1-Port Embedded LEDs
Status
When lit, the amber Status LED (D1) on the DeviceMaster 500
indicates the devices is fully powered and has completed the boot
cycle.
Note: The Status 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 30
seconds.
Link/Act
When lit, the red Link/Act LED (D2) indicates a working Ethernet
connection.
Duplex When lit, the red Duplex (D3) LED indicates full-duplex activity.
100
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 MB Ethernet connection.
4-Port LEDs
PWR
LED on the front panel of the DeviceMaster 500 is lit, indicating you
have power and it has completed the boot cycle.
Note: The PWR LED flashes while booting and it takes approximately
15 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 30 seconds.
LNK
ACT
The red LNK ACT LED is lit, indicating
that you have a working Ethernet
connection.
COL
If the red COL LED is lit, there is a
network collision.
100
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 MB Ethernet connection.
Rx
Tx
The amber Rx LEDs shows that the port is
connected to another RS-232 device or
receiving data in RS-422/485 mode.
The green Tx LED shows that the data is
transmitting.
LNK
ACT
COL
100
10/100 NETWORK
UP DOWN
TX1 *
RX1*
* Represents port number