Comtrend Corporation CT-510, Руководство пользователя

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Chapter 2 Hardware Installation
2.1 Front Panel LED Indicators
There are 12 LED indicators on the front panel (Fig.2-1). The description of
each LED is given in the table below.
DATA
TX LINK HIGH
MID
LOW ALERT COL 4X 2X 1X 3X POWER
HUB CT-510
LED Color Mode Function
On 12VAC power input is supplied to this unit
POWER Green
Off Power is not connected
Off Normal status
On An alarm has been detected
ALERT Red
Flash Software downloading or self-testing
On
Collision occurs over Ethernet
COL Yellow
Off No collision is detected
On
The physical connection between Ethernet port (1x,
2x, 3x, or 4x) and LAN device is established
Off Ethernet connection is not made
1X~ 4X Green
Flash Receive data
On
The physical ADSL link between RJ11 and telephone
line is established
Flash ADSL link is training
LINK Green
Off ADSL link not established
HIGH Red On
The ratio of downstream data traffic to downstream
ADSL link bandwidth is larger than 50% and less
than 75%.
MID Yellow On
The utilization ratio is larger than 25% and less than
50%.
LOW Green On The utilization ratio is larger than 0% and less than
25%.
On Transmit data over ADSL link
DATA TX Green
Off No data is transmitted over ADSL link